Welcome to COLORQUARTET 5.
THE COLORQUARTET 5.0 PRO USER MANUAL 2 1•The ColorQuartet 5.0 Pro User Manual This manual will help you learn what ColorQuartet can do and how it functions. The manual is also accessible on-line from ColorQuartet as an interactive Help file, but this version will be handier if you want to print it out. For a quick introduction to ColorQuartet, try the Quick Guide that starts on page 223. We hope you will enjoy working with ColorQuartet.
CONTENTS 3 1•Contents 1 •Starting up and general settings Starting up ColorQuartet on a Macintosh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Starting up ColorQuartet on a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The ColorQuartet “Preferences” window (Macintosh) . . . . . . . . . . . . . . . . . . . . . . The “CQscan” and “CQtiff” windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 • Contents Choosing an output file format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Creating a low-resolution FPO file for an OPI server . . . . . . . . . . . . . . . . . . . . . . . To start scanning an image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The “Jobs” window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 • Contents 5 Standard ColorQuartet CMYK profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Using ICC profiles from other programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Modifying a CMYK profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Modifying images directly in CMYK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 • Contents 15 •ScanFlow & MouseFree • Procedures Previews in the ScanFlow System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setting up the names of shared drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ScanFlow System • Preparing to make automatic previews . . . . . . . . . . . . . . . . Activating the ScanFlow System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ScanFlow System • Making a preview scan .
1 • Contents 18 •Gradation (tonal distribution) Gradation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 •Gray balance and color cast Gray Balance • Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checking for and changing color cast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Changing gray balance with the “Gray Balance” window . . . . . . . . . .
1 • Contents Focus calibration • Flatbed scanners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drum numbers on ScanMate 5000 with bar code reader . . . . . . . . . . . . . . . . . . . Choosing the correct drum number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 •IT8 calibration & device-independent color ColorQuartet and device-independent color . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Performing IT8 calibration . . . . . . . .
1 • Contents Choose the type of change you want to make . . . . . . . . . . . . . . . . . . . . . . . . . . . . General information about working with the color tools . . . . . . . . . . . . . . . . . . . To make an image lighter or darker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . To set the highlight automatically to specific dot percents . . . . . . . . . . . . . . . . . To set the highlight manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 • STARTING UP AND GENERAL SETTINGS 10 1•Starting up and general settings Starting up ColorQuartet on a Macintosh 1 • If the scanner computer and interface computer are not identical, start up CQscan and/or CQtiff on the scanner computer. • CQscan is a “server” program. It controls the scanner and it scans and separates the jobs you send to the scanner from your work station. A separate copy of CQscan is needed for each scanner in your system.
1 • Starting up and general settings Starting up ColorQuartet on a PC 1 • On the scanner computer, start up CQscan and/or CQtiff. • CQscan is a “server” program. It controls the scanner and it scans and separates the jobs you send to the scanner from your work station. A separate copy of CQscan is needed for each scanner in your system. • CQtiff is similar to CQscan, but is used for correcting and separating already scanned TIFF files.
1 • Starting up and general settings The ColorQuartet “Preferences” window (Macintosh) By choosing Preferences... from ColorQuartet’s Edit menu, you can open a dialogue that lets you set certain features of the ColorQuartet interface. “Startup” tab Here you can determine whether you want ColorQuartet to automatically start up the Magic Touch window (for automatic scanning), the Preview Setup window (for manual scanning) or Neither of these each time you start up the program.
1 • Starting up and general settings The “CQscan” and “CQtiff” windows • The CQscan or CQtiff window appears when you start up the corresponding program module of ColorQuartet. • The CQscan and CQtiff windows display a Job Queue and a number of status indicators and other functions related to job queue administration. • The window stays on screen as long as the program module is running. Closing it quits the module.
1 • Starting up and general settings 14 Elapsed time For the current scanning job, shows how much time has passed in minutes and seconds. Status Displays an “event log” for the CQscan program module. Click on the Status field to view up to 20 of the most recent messages. Current Template or Current Drum (not shown in CQtiff window) Displays the number and type of the currently mounted template or the number of the currently mounted drum, depending on which type of scanner is connected to CQscan.
1 • Starting up and general settings 15 >>> Related topics: CQscan and CQtiff menus ColorQuartet 5.
1 • Starting up and general settings 16 ScanMate F6/F8/F8+ template types Following is a list of the standard template types currently shipped with the ScanMate F6, ScanMate F8 and ScanMate F8 Plus, together with the codes used to represent them in the CQscan window. Note that the list does not include the DustFree magnetic template system, which is an option you can purchase. Additional template types may become available.
1 • Starting up and general settings 17 ScanMate F10 template types Following is a list of the template types currently available for the ScanMate F10, together with the codes used to represent them in the CQscan window. Note that the list does not include the DustFree magnetic template system, which is an option you can purchase. Additional template types may become available. An up-to-date list can always be obtained from your authorized Purup-Eskofot dealer. 65 = 4" x 5" originals.
1 • Starting up and general settings 18 CQscan and CQtiff menus When CQscan or CQtiff is the active window, the following menus are displayed: “File” menu Download Firmware... (CQscan only. Use only when advised by a Purup-Eskofot support technician). Opens the New firmware dialogue, which lets you load new firmware into the scanner (firmware is software that is part of the scanner and is not directly accessible by the user). When the dialogue appears, click on Update.
1 • Starting up and general settings 19 Quit Closes down CQscan or CQtiff. “Edit” menu This menu contains standard Undo, Cut, Copy, Paste and Clear commands, as well as several commands that correspond to the function buttons at the bottom of the CQscan or CQtiff window. For the Macintosh, it also lets you access the CQscan/CQtiff Preferences: Remove Removes the selected job(s) from the Job Queue. Up Moves the selected job(s) one step up in the Job Queue.
1 • Starting up and general settings 20 Details Makes the Job Queue field list all the jobs in the queue, as well as information about each job. (To view a list of which templates or drums contain queued-up jobs and how many, choose the Templates or Drums command instead.) Templates or Drums (CQscan only) Makes the Job Queue field show which templates or drums have jobs in the queue, and how many. (To view a list of the individual jobs, choose the Details command instead.
1 • Starting up and general settings 21 Settings in the CQscan/CQtiff “Preferences” or “Options” window This window is used for setting certain overall parameters for CQscan or CQtiff, including certain aspects of the ScanFlow System. It is called Preferences on a Macintosh and Options on a PC. The window has the following “tabs” or sections: General Temporary Files This browser lets you specify where ColorQuartet stores the temporary files that are needed during scanning.
1 • Starting up and general settings profiles that were supplied with your scanner (if you have copied them into the ColorQuartet X.X folder). However, you can also apply an IT8 calibration from another source to ColorQuartet. • To change the active profile(s), click on the File (Macintosh) or Browse (PC) button for Transmission or Reflection, depending on which type of profile you want to load, and choose the desired file from the standard dialogue that appears.
1 • Starting up and general settings Connecting to a scanner or work process 1 • In the Connections window, click on one of the four large icons at the left. • If the Connections window is not open, choose Connections... from the Scan menu. • Macintosh: If the Connections... command is not visible, choose Preferences... from ColorQuartet’s Edit menu and check that Full Menus is activated in the Features tab.
1 • Starting up and general settings Choosing the next function via the “Connections” window From the Connections window, you can activate the next logical functions. IMPORTANT: These functions can also be activated from the Scan menu, but they will still be related to the program whose icon is currently active in the Connections window. When “CQscan” is active • Preview Setup: Opens the Preview Setup window so you can make a preview scan. • Get Last Preview: Displays the last preview scan you made.
1 • Starting up and general settings Setting up your RGB monitor for ColorQuartet • Monitors differ in how they display color. To get a good match between the colors you see on screen and the colors in the final image, you should therefore choose the relevant ICC or ICM profile (or for Macintosh, ColorSync profile) for your monitor. • Macintosh: choose the appropriate System Profile from the ColorSync control panel, which is accessed from Control Panels in the Apple menu.
1 • Starting up and general settings Running more than one scanner at a time • ColorQuartet lets you run more than one scanner at a time. • Each scanner must be connected to its own copy of CQscan (even if the scanners are connected to the same computer). • The Connections dialogue lets you connect the user interface to the desired scanner(s). ColorQuartet 5.
2 • PREVIEW SCANNING 27 2•Preview scanning Mounting originals for automatic scanning How to place originals • If your scanner is a flatbed, you can place originals directly on the glass plate, or you can mount them in the supplied templates. • To view an image right-side up on screen after preview scanning, place its top end towards the left-hand side of the scanner. • On a flatbed scanner, reflective originals (photos, prints etc.) must be placed with the image side towards the glass.
2 • Preview scanning 28 Mounting images for preview scanning • On a flatbed scanner, the highest scan resolution is obtained down the center of the scannner bed (in the direction of scanning). Use this area first when mounting images for scanning. • On a flatbed scanner, mount images with the emulsion side towards the scanner bed, i.e.
2 • Preview scanning Making a preview scan To scan an image, you start by making a quick preview scan, which will be displayed in the Preview window. 1 • Open the Preview Setup window by choosing Preview Setup from the Scan menu or tool bar or clicking on Preview Setup in the Connections window. 2 • Using the mouse, draw a frame in the Preview Setup window to define the area you want to preview-scan. • The window shows the last frame used. • To change the frame, drag its corners.
2 • Preview scanning 30 Choosing the preview size The values in the Preview Setup window’s Size menu refer to the number of megabytes of data generated. They also indicate the relative size of the preview on screen. • A larger preview scan will take a little longer, but will also give you a better basis for determining highlight and shadow points and evaluating color adjustments. • If you are a scanning a single small image, choose a relatively large preview size.
2 • Preview scanning 31 Previewing negatives • To scan a color negative, you must activate Negative when you make the preview. • The image will be shown negative in the Preview window, but positive in the feedback window. • Remember to choose a Negative Profile in the Scan Setup window before performing the final scan. Choose a profile that corresponds to the kind of film the original was shot with.
2 • Preview scanning Previewing line art • Line art means material that does not contain photographic images or gray tones, but only elements in black and white. To reproduce line art acceptably, higher scan resolutions are necessary than for photos. • The preview for a line art scan may be done as either Color or Gray Scale – it doesn’t matter which you choose. >>> Related topics: Making a preview scan Scanning line art ColorQuartet 5.
2 • Preview scanning 33 Bringing back the last preview • If you want to see the last preview you made, choose Get Last Preview from the Connections window or Scan menu. • This may be useful if you want to scan the same image again or make a new crop of the same image. >>> Related topics: Making a preview scan ScanFlow & MouseFree • Features Preparing a preview for scanning ColorQuartet 5.
2 • Preview scanning Preparing a preview for scanning When you have made a preview scan, you’re ready to set up the image(s) for scanning. 1 • In the Preview window, use the mouse to draw a crop frame around the area you want to scan. • To change the frame, drag its corners. • To move the frame, place the cursor in the center of the crop and drag. 2 • You can draw as many crop frames as you want to and you can set up individual scanning parameters for each crop in the preview.
2 • Preview scanning 35 Changing the name or storage location of the preview file The preview scan is stored on disk until it is replaced by a new preview. Even though you can display more than one Preview window on screen, the file on disk will be overwritten each time a new preview is made. If you for some reason need to save more than one preview while working in normal Preview Setup mode, you can work around this by changing the name of the preview file as described below.
2 • Preview scanning 36 How to work with multiple previews The ScanFlow System module of ColorQuartet lets you make and store multiple previews. The images can be set up for scanning, and all the parameters will be saved on disk until you are ready to scan them. You can, for example, interrupt scanning of one template to preview or scan another template, and then return to finish the first batch without any loss of data.
3 • BASIC SCANNING PROCEDURES 37 3•Basic scanning procedures Scanning automatically with Magic Touch The easiest way to scan with ColorQuartet is to use the Magic Touch window. How to access Magic Touch You can open the Magic Touch window by choosing Setup... from the Magic Touch menu or clicking on the Change Magic Touch Settings icon in the tool bar. What Magic Touch offers • Magic Touch lets you scan images fully automatically.
3 • Basic scanning procedures choose the desired settings from the Magic Touch menu. For each of the ten combinations, Magic Touch keeps track of separate settings. ORIGINAL TYPE • Reflection for photographic prints and other opaque originals (books, printed matter, 3D objects). • Transmission for transparent originals like slides and films. If the original is a negative, remember also to activate the Negative check box under Output Profiles and choose the desired Film Type.
3 • Basic scanning procedures 39 • By double-clicking inside any defined image area (crop), double-clicking on the name of the crop in the Jobs list, or using the Open Job command, you can activate the Scan Setup window and feedback window for that crop. • You can then use any of ColorQuartet’s image handling tools to modify the image before scanning it. When ready to scan, choose Do Jobs from the Scan menu or the tool bar.
3 • Basic scanning procedures Functions in the “Magic Touch” window Depending on the scan type you activate from the buttons at the top of the window, only the relevant functions are displayed in the Magic Touch window. Therefore, for any given scan type, some of the functions described below may not be visible. Size & Resolution (for CMYK, RGB and gray scale) 1 • Type in the desired enlargement or reduction under Enlargement and press the tab key.
3 • Basic scanning procedures File Information This is where you tell ColorQuartet how to name the scans, where to put them, what file format to use, and what image handling program you want to work in after scanning. • Use the Location browser to choose the folder where you want to store the scans (click on the folder icon to open a standard dialogue). • The file Name is composed of a base name that stays the same (until you change it) and a running number that counts up from the number you enter.
3 • Basic scanning procedures Special Functions • For a Line Art scan, set the Threshold, which determines the breaking point between black and white. • The default setting is 50%. • If the image is lighter than normal, you may want to set the threshold lower to reproduce more of the image as black. • If the image is darker than normal, you may want to set the threshold higher. • If CCITT Group 3 compression is desired, activate the Line Art Compression check box.
3 • Basic scanning procedures 43 • To move the crop borders slightly inward on all automatic image crops, type a value greater than 0 into the Crop Inset field.To move all the crop borders outward, type in a value less than 0. >>> Related topics: Scanning automatically with Magic Touch ColorQuartet 5.
3 • Basic scanning procedures 44 The “Scan Setup” window For each crop that is defined in the Preview window, the basic scan parameters are displayed – and can be changed – in the Scan Setup window. • To work with the scan setup for a particular image, double-click inside its crop frame in the Preview window or on its name in the Jobs window. ColorQuartet remembers the scan setup for each crop and displays the relevant data.
3 • Basic scanning procedures Manual scanning parameters • Overview Before carrying out a final scan, you need to consider a number of parameters. Most of them are accessed via the Scan Setup window and some via the color tool icons in the tool bar. • Some parameters are typically set for each image individually: • file name. • output size. • Highlight/Shadow settings. • For most of the others, you will probably use standard settings that are remembered by ColorQuartet and rarely need to be changed.
3 • Basic scanning procedures Parameter checklist and table ColorQuartet’s scanning parameters are summarized in the list and table below. To learn more about any item, click on the highlighted text. NOTE: You will rarely need to use all the possible parameters. But the ones you do use should be applied in the order listed. Crop area and file definition: 1• 2• 3• 4• 5• Draw a crop frame and double-click inside it. Change the orientation of the image, if desired.
3 • Basic scanning procedures 20 • 21 • 22 • 23 • 24 • 47 Change the gradation curve, if desired. Change the gray balance (color neutrality), if desired. Change the saturation (color strength), if desired. Make selective color changes, if desired. Burn out the background, if desired. ColorQuartet Scan Parameters Parameter How to use it Crop frame Must be drawn for each scan. Orientation Can be used to flip or rotate the image.
3 • Basic scanning procedures Parameter How to use it Negative profile Must be chosen if scanning a color negative. Choice is remembered. Correction history Can be applied if desired. Choice is remembered. Autofocus Activate or deactivate (if supported by scanner). Focus elevation Can be set if supported by scanner. Setting is remembered. Aperture (Drum scanners only) Chosen automatically for each scan, but can be changed if desired. Descreen Can be applied if necessary (for printed matter).
3 • Basic scanning procedures 49 ColorQuartet 5.
3 • Basic scanning procedures 50 Drawing a crop frame For each scan you want to make, use the mouse to draw a crop frame on the image in the Preview window and to place the frame where desired. • Each time you draw a new crop frame, a new entry will automatically appear in the Jobs window. • If you can’t draw the frame as desired, check that the lock symbol is unlocked (when it is locked, the height-to-width ratio of the crop cannot be changed – see Cropping an image to scale below).
3 • Basic scanning procedures 51 • When you scale the crop frame, if you have chosen Enlargement & Ruling as the Size & Resolution mode, the Enlargement field will show the resulting enlargement or reduction in percent. • Before drawing the next crop frame, remember to unlock the crop-to-scale function, unless you want to use the same height-to-width ratio again. >>> Related topics: ScanFlow System • Cropping and setting up images from a preview ColorQuartet 5.
3 • Basic scanning procedures Flipping or rotating the image An image crop can be flipped and/or rotated, either to get a desired effect or to ensure that vertical or horizontal objects in the image are properly aligned. The rotation functions are slightly different in the Macintosh and PC versions of ColorQuartet. Flipping or rotating to preset positions (Macintosh and PC) 1 • Check that the image’s feedback window is active.
3 • Basic scanning procedures be, you can make it that way by drawing a line along it as described below. ColorQuartet rotates the scan to make the defined line horizontal (or vertical, whichever is closest). 1 • In the Special Functions section of the Scan Setup window, click on the Align button. 2 • In the feedback window for the crop you want to rotate, click to define the starting and ending points of the desired line.
3 • Basic scanning procedures 54 Assigning a name & location to a scan ColorQuartet assigns a default name to each crop when you draw the crop frame. • To change the name and/or assign a location to the file, click on the file folder icon at the top left corner of the Scan Setup window. This will open a standard Save As... dialogue. • The file name you assign will automatically appear in both the Scan Setup window, the Jobs list, and as the title of the feedback window for that crop.
3 • Basic scanning procedures Choosing an output file format ColorQuartet lets you save your scans in a variety of common file formats. • Choose the desired format from the File Format menu in the Scan Setup window. • ColorQuartet will remember your choice until you change it. • The possibilities are: • • • • • • • • • • • • • • • • • DCS... TIFF CMYK TIFF Lab TIFF RGB TIFF RGB 16 Bit TIFF Grayscale TIFF Grayscale 16 Bit TIFF Line Art Targa... EPS CMYK EPS RGB EPS Grayscale EPS Line Art JPEG CMYK...
3 • Basic scanning procedures Creating a low-resolution FPO file for an OPI server FPO (“for positioning only”) means a low-resolution image that is used for creating layouts in systems with an OPI server. • The low-resolution images, which are much faster to work with in the layout phase, are created by the scanning software, based on the high-resolution scans. • The FPO images are each linked to their corresponding high-resolution scans, which are typically stored in a server.
3 • Basic scanning procedures To start scanning an image 1 • When all the scanning parameters for the image have been adjusted as desired, click on the Ready to Scan button in the Scan Setup window or the tool bar. This puts the job in the queue for scanning. • ColorQuartet remembers the job parameters as long as the job is in the Jobs list. Jobs stay in the list until you delete them with Cut or Clear.
3 • Basic scanning procedures The “Jobs” window • The Jobs window registers each crop area you draw and tells you its status. For example: • New job • Ready to scan • Queued • Scanning • Scanned • Error • For TIFF files, instead of “scan,” the status will be indicated as: • Ready to process • Processing... • Processed • If Error is shown as the status, you can get more information by double-clicking on the name of the job.
3 • Basic scanning procedures To stop scanning/separation or processing • To stop the scanner when a job is in progress, click on the Abort button in the Jobs window. • The current scan will be aborted. • If there are other jobs in the queue that are ready to scan, the next job will be started. • The job that was aborted will remain in the Jobs list and can be rescanned – with or without making changes first – after you click on Ready to Scan.
3 • Basic scanning procedures 60 Re-scanning the same crop area As long as a job is listed in the Jobs window, you can rescan it. 1 • Double-click on the job name to open the job’s Scan Setup window. 2 • Make any desired changes and assign a new name to the file (unless you want to overwrite the previous version of the scan). 3 • When ready, click on Ready to Scan and then use Do Jobs to start the scanner. ColorQuartet 5.
4 • SETTING THE PHYSICAL SCAN PARAMETERS 61 4•Setting the physical scan parameters Setting the output size and resolution The Size & Resolution section of the Scan Setup window can be opened or closed by clicking on the arrow symbol at its left. What it means • Size & Resolution is used for specifying the physical characteristics of the scan: • the desired output size or enlargement/reduction of the image.
4 • Setting the physical scan parameters confirm. • If you type in an Enlargement, the Output Size is calculated automatically, and vice versa. • Click here to learn how to crop an image to scale. • In flatbed scanners, the maximum scan resolution is highest down the center of the scanner bed, and decreases as you move toward the sides. If a yellow warning triangle appears in the Scan Setup window, it means that ColorQuartet is interpolating the scan resolution to achieve the required value.
4 • Setting the physical scan parameters “File size” mode 1 • Type in the desired output File Size in megabytes and press the tab key to confirm. 2 • If desired, you can also type in the desired Output Size in inches or millimeters, but this is not required. The Scan Resolution will be calculated automatically. “Addressability” mode 1 • Type in the desired number of output pixels for the longest dimension of the image under Addressability and press the tab key to confirm.
4 • Setting the physical scan parameters Setting the screen ruling What it is Image printing is based on the technique of breaking up the image into tiny dots of color that can be reproduced on a press. Screen ruling or screen frequency refers to the pattern and frequency of these dots. How to set it • ColorQuartet allows you to use any screen ruling you want, and remembers the value until you change it.
4 • Setting the physical scan parameters 65 Setting the Quality factor What it is The Quality Factor determines the number of electronic samples taken for each line of the screen ruling. It is typically set to between 1.4 and (max) 2.0. ColorQuartet remembers the last value you entered and uses it as a default until you change it. • A higher Quality Factor means that the scan contains more information. The printed image will be better, but the file size and scanning time will increase.
4 • Setting the physical scan parameters 66 Changing the scan resolution What it is ColorQuartet determines the scan resolution for each scan by multiplying Enlargement x Screen Ruling x Quality Factor and dividing by 100. Normally, the value calculated by ColorQuartet is appropriate and should not be changed. • If you do change the value, make sure it does not exceed the maximum resolution of your scanner (see the specifications in the scanner’s Operator’s Manual).
5 • SCANNING REFLECTIVE (OPAQUE) ORIGINALS 67 5•Scanning reflective (opaque) originals Previewing and scanning reflectives Reflective originals are ones that are opaque, such as photographic prints, artwork done on paper or cardboard, printed matter, etc. • In general, the scanning procedures for reflectives are the same as for transmission originals (transparencies). Just be sure to choose Reflection in the Preview Setup and Scan Setup windows.
6 • SCANNING LINE ART 68 6•Scanning line art Scanning line art Line art means material that does not contain photographic images or gray tones, but only elements in black and white. To reproduce line art acceptably, higher scan resolutions are necessary than for photos. 1 • Make a preview scan as either Color or Gray Scale – it doesn’t matter which.
6 • Scanning line art 9 • Now check the image in the feedback window. If you want to raise or lower the threshold to make the image darker or lighter, respectively, open the Highlight/Shadow window and adjust the Histogram. • The line art threshold is not shown explicitly, but it does exist. It is fixed at about 52% on the horizontal scale.
7 • SCANNING PRINTED MATTER 70 7•Scanning printed matter Descreening printed matter Printed matter can be scanned like any other reflective. However, printed images contain screen dots that were created the first time they were output. If you rescan such an image without blurring the existing screen dots, the new and old patterns of screen dots may interfere with each other, causing an unwanted pattern known as Moiré. To avoid this, you should use ColorQuartet’s descreening function.
8 • SCANNING COLOR NEGATIVES 71 8•Scanning color negatives Previewing and scanning negatives When scanning negatives on a flatbed scanner, we recommend mounting them in a template. If you don’t use a template, cover the sprocket holes in 35-mm negatives with red repro tape or any other opaque or dark-colored tape to avoid stray light.
8 • Scanning color negatives 2 • When the preview appears on screen, draw a crop frame and double-click inside it. This will open the Scan Setup window and feedback window for that crop. The image will be displayed negative in the Preview window, but positive in the feedback window. The conversion in the feedback window is based on the Negative Profile that is active in the Scan Setup window.
8 • Scanning color negatives darker or lighter image in the highlights, midtones and/or shadows. During this step, don’t worry if the image has a color cast. • It may be easier to work with the curves if you enlarge them by making the Negative Profile window larger. • To ensure good contrast (separation of color tones) in the major part of the image, make the curve steep under the part of the Histogram where the highest columns are seen.
8 • Scanning color negatives blue triangles at the left side of the Reversal Curves grid. Your goal will be to get all three triangles into the same position. • Choose the desired curve by clicking directly on it or by clicking on the red, green or blue stripe to the right of the curves. • To change the shape of a curve, click on an anchor point and drag it to the desired position. Or click on it and use the arrow keys of your computer keyboard to move the point.
8 • Scanning color negatives files folder in your ColorQuartet X.X folder. It will then automatically appear in the list of Negative Profiles. • Because you often may want to scan several images from the same negative film, ColorQuartet remembers the settings you make in the Negative Profile window until you change them, even if you quite ColorQuartet..
8 • Scanning color negatives Advanced features in the “Negative Profile” window If you find that an image is difficult to adjust with the procedure described under “Previewing and scanning negatives,” the Negative Profile window includes some additional tools you can use. The Histogram and its relation to the Reversal Curves • The Histogram (bar graph) shows the distribution of tones in the preview-scanned negative. These tones can be thought of as the “input” values in the reproduction process.
8 • Scanning color negatives 77 • When Auto is chosen for Full Exposure or No Exposure, ColorQuartet reproduces the extreme highlight or shadow point it finds in the negative, without considering how representative it is of the actual image content. • When Area % is chosen, ColorQuartet moves the true highlight or shadow value to the edge of the histogram. Visually, this appears as cutting off the “tail” of the histogram.
8 • Scanning color negatives 78 Why do we need negative profiles? Negatives vary in the color and opacity of the film base as well as the correctness of exposure. These factors have an effect on the scan settings necessary to reproduce the image accurately. • In order to scan a color negative accurately, you must use a Negative Profile that corresponds to the image. • Several standard negative profiles are supplied with ColorQuartet.
8 • Scanning color negatives Creating a negative profile NOTE: Before attempting this procedure, be sure that you have tried the standard Negative Profiles supplied with ColorQuartet as well as the customizing method described under “Previewing and scanning negatives.” They should give acceptable results for most images. 1 • Using the relevant type of color negative film, take a photo of a reference image. The image must include the full exposure range, from fully exposed to unexposed values.
8 • Scanning color negatives 80 >>> Related topics: Why do we need negative profiles “Negative Profile” window • Functions ColorQuartet 5.
8 • Scanning color negatives 81 “Negative Profile” window • Functions • The Negative Profile window contains the Full Exposure and No Exposure sections for setting the highlight and shadow points, which can be done manually or automatically. • It also contains Histograms and Reversal Curves for interactive adjustment of the profile and an Exposure Densities section for entering numerical values. • NOTE that values for the red, green and blue curves are set individually.
8 • Scanning color negatives 82 • To check whether the shadow point found by ColorQuartet is actually part of the image and not, for example, a scratch in the negative, open the densitometer window, choose Point Sample, click on the black square, and observe the location of the cursor in the feedback window. • When Fixed Density is activated, the shadow point can be set manually. Drag the relevant histogram as explained under “Advanced features in the ‘Negative Profile’ window.
9 • SCANNING TO RGB 83 9•Scanning to RGB Choosing an RGB profile for RGB output If you are scanning to RGB for a film recorder or other dedicated RGB output device, you must choose an appropriate RGB Profile for that device from the menu in the Color Definition section of the Scan Setup window or the Output Profiles section of the Magic Touch window. • The menu lists profiles from three sources: • Apple ColorSync profiles from your System folder (Macintosh only).
9 • Scanning to RGB 84 RGB output calibration • Overview Performing RGB output calibration Using an ICC profile from another program Setting up your RGB monitor for ColorQuartet Using a Correction History for repeated or global image adjustments ColorQuartet 5.
9 • Scanning to RGB 85 Using an ICC profile from another program ICC output profiles that have been created in other color management programs can be used in ColorQuartet. This includes profiles for CMYK output and for RGB output. • Save the profile in the ColorQuartet X.X folder. (On a Macintosh, you can also save it under System -> Preferences -> ColorSync Profiles.
9 • Scanning to RGB 86 RGB output calibration • Overview • RGB output calibration lets you create an output profile for ColorQuartet that corresponds exactly to your film recorder. • By creating an RGB Profile, you make a correction for the difference in the chromaticities of the scanner and the specific output device, i.e., the exact ways in which each unit “sees” color, due to its technical specifications.
9 • Scanning to RGB Performing RGB output calibration 1 • Before starting, make sure the output environment is stable, i.e., that the film processor and film recorder are functioning correctly. 2 • Expose the relevant RGB calibration file on the film recorder, using the same parameters as for everyday photo work. Two TIFF files are supplied with ColorQuartet for RGB calibration: • RGB234_raw.tif for 35-mm film. • RGB 4096_raw.tif for large-format film. Do not use RGB 4096_raw.
9 • Scanning to RGB 8 • Save the profile in the ColorQuartet X.X folder or one of its sub-folders. • When you click on Save, the calibration process will take place, and the RGB profile will be generated. This will take about a minute. • When the new profile has been created, it will automatically appear in the RGB Profile menu in the Color Definition section of the Scan Setup window. NOTE: During calibration, a graph of the relationship between the L* values and RGB values is displayed.
9 • Scanning to RGB Modifying images directly in RGB What it means • If you are outputting images in RGB form, for example, on an RGB-based printer or proofer or for use in an on-screen application such as a web site, ColorQuartet lets you modify gradation and gray balance directly in RGB. • This is done with the RGB Curves, which are based on the currently active RGB Profile. The curves are an alternative to the gradation curve and gray balance functions, which are defined in terms of CMYK or LCH.
10 • SCANNING TO CMYK 90 10•Scanning to CMYK Choosing a CMYK profile for CMYK output Color separation is the process of transforming a full color image into discrete layers of a few colors so it can be reproduced on a printing press or similar device with a limited number of standard inks or pigments. • Conventional separation technique involves four colors: cyan (light blue), magenta (pink), yellow, and black, together referred to as “CMYK.
10 • Scanning to CMYK • The simplest and safest way to do this is to find the CMYK profiles folder in the ColorQuartet X.X folder, make an alias of it, and place the alias in the ColorSync Profiles folder. >>> Related topics: Standard ColorQuartet CMYK profiles Using ICC profiles from other programs Modifying a CMYK profile ColorQuartet 5.
10 • Scanning to CMYK 92 Standard ColorQuartet CMYK profiles • ColorQuartet includes a number of pre-programmed CMYK profiles based on different printing requirements: • Newsprint 230 GCR.icc • Newsprint 250 GCR.icc • Newsprint 280 GCR.icc • Offset 300 GCR.icc • Offset 300 UCR.icc • Offset 320 UCR.icc • Offset 320 UCR CF.icc • Offset 340 UCR.icc • Offset 360 Skeleton.icc • Offset 360 Skeleton CF.icc • The technical characteristics of the individual tables are listed below.
10 • Scanning to CMYK 93 • Newsprint 250 GCR.icc: For newspaper printing on coarse paper. Achromatic (GCR) color separation. Total ink coverage: 250%. Max. coverage: C = 61% M = 47% Y = 64% K = 82%. At midtone: C = 31% M = 24% Y = 25% K = 26%. • Newsprint 280 GCR.icc: For newspaper printing on coarse paper. Achromatic (GCR) color separation. Total ink coverage: 280%. Max. coverage: C = 73% M = 53% Y = 75% K = 84%. At midtone: C = 34% M = 26% Y = 30% K = 22%. • Offset 300 GCR.
10 • Scanning to CMYK 94 • Offset 320 UCR.icc: For general web offset printing on better paper. UCR color separation. Total ink coverage: 320%. Max. coverage: C = 83% M = 74% Y = 74% K = 89%. At midtone: C = 54% M = 44% Y = 46% K = 1%. • Offset 320 UCR CF.icc: For general web offset printing on better paper. UCR color separation, with enhanced saturation. Total ink coverage: 320%. Max. coverage: C = 83% M = 74% Y = 74% K = 89%. At midtone: C = 54% M = 44% Y = 46% K = 1%. • Offset 340 UCR.
10 • Scanning to CMYK 95 • Offset 360 Skeleton CF.icc: For high quality sheet-fed offset printing on coated/glossy paper. Skeleton-black color separation, with enhanced saturation. Total ink coverage: 360%. Max. coverage: C = 95% M = 90% Y = 91% K = 85%. At midtone: C = 56% M = 46% Y = 48% K = 0%. >>> Related topics: Choosing a CMYK profile for CMYK output Using ICC profiles from other programs Modifying a CMYK profile ColorQuartet 5.
10 • Scanning to CMYK 96 Using ICC profiles from other programs ICC output profiles that have been created in other color management programs can be used in ColorQuartet. This includes profiles for CMYK output and for RGB output. • Save the profile in the ColorQuartet X.X folder. (On a Macintosh, you can also save it under System -> Preferences -> ColorSync Profiles.
10 • Scanning to CMYK 97 Modifying a CMYK profile You can use ColorQuartet’s color tools to modify any existing CMYK profile or ICC profile, both those that are supplied with ColorQuartet and those that you import from third-party programs. Since this type of modification often concerns the relationship of the black separation to the other three process colors, you may find the CMYK Curves tool especially useful.
10 • Scanning to CMYK Modifying images directly in CMYK What it means If you are used to working directly in CMYK, you may want to adjust gradation and gray balance by manipulating the CMYK Curves. • The CMYK Curves operate directly on the image’s CMYK values, rather than on the deviceindependent Lab values like the other color tools. • Changes you make to the CMYK Curves are, in effect, added “on top of” the CMYK profile that is being applied to the scan.
10 • Scanning to CMYK 99 Gradation Gray balance • Overview Cancelling color changes Saving and retrieving color tool settings ColorQuartet 5.
11 • MODIFYING AN IMAGE 100 11•Modifying an image Color tools • Overview and work flow • ColorQuartet provides a number of color tools that can be applied to an image. With the exception of Highlight/Shadow, which should always be applied (either automatically, semiautomatically or manually), the color functions are options that can be used when necessary or desired. • The color tools can be accessed: • by choosing them from the Color menu. • by clicking on the icons in the tool bar.
11 • Modifying an image 101 The “Correction History” window ColorQuartet 5.
11 • Modifying an image 102 Feedback window When you use any of the color tools except Unsharp Masking, the changes you make are shown interactively in the feedback window. (If you activate Turn USM Feedback On in the Color menu, the feedback window will give a general indication of whether or not USM has been applied to the image, but for an accurate evaluation of USM, you will need to open the Unsharp Masking window).
11 • Modifying an image 103 Densitometer window The Densitometer window displays RGB, LCH, and CMYK values for any point in the feedback window on which you place the cursor. • LCH is a device-independent color format that is used as a global reference. If you are not a color repro professional, you may find LCH more intuitive to work with than CMYK or RGB. For more information on this, see The LCH color model.
11 • Modifying an image 104 Densitometer tips • If no change seems to take place: The changes you type into the Densitometer window will take effect based on which color tool you have open at the time. In some cases, only a few pixels may be affected; this may make it appear that no change has taken place in the image. • Multiple reference points: You can define any number of reference points in the image by double-clicking on the feedback window.
11 • Modifying an image 105 • Location of extreme ink intensities: To find the points in the reproduction with the highest intensities of the various colored inks (as opposed to the visually most saturated points), first choose C, M, Y or K from the menu at the bottom of the feedback window (PC: click with the right-hand mouse button to access this menu). Then click on the corresponding color field in the Densitometer window (cyan for C, magenta for M, etc.).
11 • Modifying an image 106 Cancelling color tool changes • To cancel any changes you have made with a given color tool while the window is still open, click on Reset (the window will stay open). • To cancel any changes and close the color tool window, click on Cancel. BE CAREFUL! If you opened the window to check a setting that is part of the image’s Correction History, using Cancel will delete the entry from the Correction History. To close the window without deleting the change, click on Close.
11 • Modifying an image Saving and retrieving color tool settings • To save a setting you have created in a color tool function for future use, choose Save... from the Saved menu at the top of the function window and assign a name and location to the setting. • Macintosh: Place the setting in the ColorQuartet X.X folder if you want it to be available after restarting ColorQuartet. • PC: Always place the setting in the Resource folder in the ColorQuartet.XX folder.
11 • Modifying an image The “Correction History” window While you are working with an image crop, the Correction History window records all the changes that you make with the color tools. • Each change is shown as a separate entry in the Correction History list. • To view a change, double-click on its name in the list. This will open the relevant color tool window, which will display the setting you applied to the image. You can then change it if desired.
11 • Modifying an image Using a Correction History for repeated or global image adjustments The Correction History function lets you save a complete set of image corrections as a profile and apply it to other images at a single touch. A saved Correction Profile can be accessed in two ways: • By choosing it from the Correction Profile menu in the Scan Setup window.
11 • Modifying an image 110 Changing an existing Correction Profile ColorQuartet 5.
11 • Modifying an image Creating a Correction Profile for global use If you want to create and save a Correction Profile for repeated use, use the following procedure. 1 • Choose an appropriate reference image. The image should contain a large range of colors, including any that you are particularly interested in adjusting. 2 • Scan the reference image without making any changes except automatic highlight adjustment.
11 • Modifying an image 112 You can now choose the saved Correction Profile from the Scan Setup window any time you want to apply it. ColorQuartet will apply the Correction Profile to the image after any other corrections you make. You can also load the Correction Profile from the Color menu while working with an image and adjust any individual parameters manually, just as you did when creating the profile.
11 • Modifying an image Changing an existing Correction Profile You can change an existing Correction Profile and save the modified version – either instead of the original one or as a separate file. NOTE: If you apply multiple Correction Profiles to the same image or apply the same Correction Profile multiple times, the effect will be cumulative. 1 • Preview-scan the reference image. 2 • Choose Revert to Original from the Color menu or tool bar to cancel any automatic highlight and shadow settings.
11 • Modifying an image 114 The LCH color model Color spaces vary A color space or color gamut is the range of colors that can be produced by a given color reproduction process, including scanners, monitors, printers, proofing systems, and printing presses. Because of variations in mechanical and electronic components, printing inks, etc., no two output units reproduce colors exactly alike; each has its own slightly different color gamut.
11 • Modifying an image 115 Advantages of LCH One reason why the LCH color model is so useful is that it employs uniform units of distance in all three dimensions, making it possible to define colors that are evenly spaced within the model. Another reason is that its parameters are the ones that people intuitively use when they talk about color: hue, lightness and saturation.
12 • SCANNING MULTIPLE IMAGES (BATCH SCANNING) 116 12•Scanning multiple images (batch scanning) Setting up a batch scan You can define more than one crop area from a single preview and scan the whole batch of images at once. • Each time you draw a new crop frame in the Preview window, a corresponding entry appears in the Jobs list. Double-click on the crop area or its name in the Jobs list, set the scanning parameters and color corrections as desired, and click on Ready to Scan.
13 • SEPARATING PREVIOUSLY SCANNED FILES 117 13•Separating previously scanned files Scanning an image and separating it later With ColorQuartet, you can scan an image as a TIFF Lab or TIFF RGB file and later separate it into RGB or CMYK without viewing the file on screen. When you use this method, the screen ruling and any color modifications must be done at the time of scanning, but the RGB Profile or CMYK Profile is applied when you separate the file.
13 • Separating previously scanned files Working with TIFF files from other sources TIFF RGB and TIFF Lab files from any source can be opened and viewed in ColorQuartet for correction and/or separation to CMYK or RGB. Opening and setting up a TIFF file • When you connect to CQtiff, the Get Last Preview button in the Connections window changes to Open TIFF file. Click on this and choose the desired file from the standard dialogue that appears.
13 • Separating previously scanned files Separation folders • Overview • ColorQuartet lets you set up separation folders, each of which contains a template with a predefined CMYK profile. • When an unseparated TIFF file is put into an active separation folder, it is separated as soon as possible, according to the preset parameters of the folder’s template. Separation takes place automatically and in the background.
13 • Separating previously scanned files Setting up a separation folder and template (Macintosh) In the following procedure, you will use a dummy job to set up a separation folder and template. You may wish to put all your separation folders into one higher-level folder or directory to make it easier to keep track of them, but this is not required. 1 • Make sure you are connected to CQtiff and that the CMYK profile you intend to use is present in your system.
13 • Separating previously scanned files Setting up a separation folder and template (PC) 1 • Make sure you are connected to CQtiff and that the CMYK profile you intend to use is present in your system. If in doubt, check the CMYK Profile menu in the Scan Setup window. 2 • Choose Separation Folders from the Scan menu. The Separation Folders start-up window will appear. 3 • Click with the right-hand mouse button on ColorQuartet. The menu item New Separation Folder will appear.
13 • Separating previously scanned files 6 • To activate a separation folder so that it is polled for files that need to be separated, click on the name of the folder and then on Start. • The Status will change from Stopped to Running, and the text of the Start button will change to Stop. • The separation folder(s) will stay active as long as the Separation Folder window is open, and will be remembered even if you quit ColorQuartet. >>> Next step: Activating & using separation folders ColorQuartet 5.
13 • Separating previously scanned files Activating & using separation folders If you drag an unseparated TIFF file into a separation folder, nothing will happen until the folder has been activated. To do this: 1 • Choose Separation Folders... from the Scan menu. • The Separation Folders window will appear. • If the Separation Folders... command is dimmed, click on the Jobs window first. • Macintosh: If the Separation Folders... command is not visible, choose Preferences...
13 • Separating previously scanned files 124 Setting up a separation folder (PC) ColorQuartet 5.
14 • SCANFLOW & MOUSEFREE • DESCRIPTION 125 14•ScanFlow & MouseFree • Description ScanFlow & MouseFree • What are they? ColorQuartet Pro includes the ScanFlow System for automatic previewing and scanning of multiple batches of images, based on the use of templates. ScanFlow is primarily intended for highthroughput production environments with multiple users, and includes various features for maximizing productivity and flexibility in the scanning workflow.
14 • ScanFlow & MouseFree • Description 126 ScanFlow & MouseFree • Features Batches are recognized by codes • Each ScanMate template or drum is coded, so it is recognized by the ScanFlow System as soon as it is placed in the scanner. • If the Job Queue contains any jobs with that code, ColorQuartet automatically scans them. • If no jobs are queued up for the code, the batch is automatically preview-scanned instead.
14 • ScanFlow & MouseFree • Description 127 ScanFlow & MouseFree • What are they? >>> Next step: ScanFlow & MouseFree • Configurations Previews in the ScanFlow System MouseFree Tutorials 1, 2 and 3 ColorQuartet 5.
14 • ScanFlow & MouseFree • Description 128 ScanFlow & MouseFree • Configurations To work with Auto Previews and/or MouseFree mode, you will need to include the following elements in your system: • At least one ScanMate scanner with a code reader. This may be: – a ScanMate 5000 model 210 or ScanMate 11000 drum scanner. – a ScanMate F-series flatbed scanner (necessary for MouseFree).
14 • ScanFlow & MouseFree • Description ScanFlow System configuration diagrams Two-computer configuration S CQscan CQtiff Scanner File sharing and Program linking U F ColorQuartet (user interface) ColorQuartet Pro dongle Previews from the ScanFlow System are stored on the server and retrieved from there by ColorQuartet.
14 • ScanFlow & MouseFree • Description Multiple-computer configuration S Scanner U CQscan F Previews from the ScanFlow System are stored on the server and retrieved from there by ColorQuartet. ColorQuartet (user CQtiff interface) File server/ Shared disk Color-Quartet Pro dongle Scanner U F = Scanner computer Previews fromSthe ScanFlow System are stored on the server and retrieved from U = User interface computer there by ColorQuartet.
15 • SCANFLOW & MOUSEFREE • PROCEDURES 131 15•ScanFlow & MouseFree • Procedures Previews in the ScanFlow System The ability to make preview scans automatically, to make and store multiple preview scans, and to access any preview scan from any ColorQuartet user interface are central features of the ScanFlow System.
15 • ScanFlow & MouseFree • Procedures 132 Setting up the names of shared drives >>> Next step: ScanFlow System • Preparing to make automatic previews ColorQuartet 5.
15 • ScanFlow & MouseFree • Procedures Setting up the names of shared drives If your scanner is connected to a different computer than the ones on which the ColorQuartet interface is running, all the computers must have access to one or more shared network disks for storing previews and scans. In PC installations, different PCs may use different drive letters for the same network disk.
15 • ScanFlow & MouseFree • Procedures 134 Example 2: “VOLUMES.TXT” for a cross-platform installation CQscan is running on a PC that calls a particular server drive or volume N:. The ColorQuartet interface is running on or more Macintoshes, all of which call the same drive or volume Images. The following line should therefore be added to the VOLUMES.TXT file: N;Images; ColorQuartet 5.
15 • ScanFlow & MouseFree • Procedures ScanFlow System • Preparing to make automatic previews 1 • On the file server computer or another large hard disc that is visible to all the computers running the ColorQuartet interface, create a folder for the previews. 2 • On the scanner computer, start up CQscan. 3 • Choose Preferences from the Edit menu (Macintosh) or Options from the Tools menu (PC). In the window that appears, foreground the ScanFlow section.
15 • ScanFlow & MouseFree • Procedures Activating the ScanFlow System 1 • Start up CQscan and the ColorQuartet user interface as usual. 2 • Open the ScanFlow Control window by choosing ScanFlow Control from ColorQuartet’s ScanFlow menu. 3 • Choose Auto Previews or MouseFree from the ScanFlow menu in the window, and set the naming and numbering parameters as desired.
15 • ScanFlow & MouseFree • Procedures ScanFlow System • Making a preview scan 1 • Mount the originals on a template or drum and place it in the scanner. 2 • Close the scanner lid (flatbed scanners) orclick on the Resume button in the CQscan window (drum scanners). • The following things will happen: • A preview scan will be performed.
15 • ScanFlow & MouseFree • Procedures ScanFlow System • Cropping and setting up images from a preview When the ScanFlow System is activated, you can access stored previews from any computer in the network on which you have installed the ColorQuartet user interface. 1 • Open the Available Previews window by choosing Available Previews from ColorQuartet’s ScanFlow menu. 2 • Double-click on the name of the desired preview.
15 • ScanFlow & MouseFree • Procedures 139 8 • You can now open another preview and set up the jobs found there. You can also scan any already prepared jobs. >>> Related topics: ScanFlow System • Making a preview scan Automatic cropping and scan setup >>> Next step: ScanFlow System • Scanning ColorQuartet 5.
15 • ScanFlow & MouseFree • Procedures 140 Automatic cropping and scan setup • The Crop Layout Editor window gives you access to standard cropping layouts that can be applied manually or automatically to a whole batch of images. • Included in ColorQuartet are crop layouts for a number of standard templates. • The standard layouts can be used as is or they can be customized. You can also create your own layouts from scratch, corresponding to your own homemade templates or to marks on a scanner drum.
15 • ScanFlow & MouseFree • Procedures 141 Customizing an automatic crop layout If you are working with standard ColorQuartet templates, the corresponding layouts for automatic cropping are already available. You may, however, wish to do one or more of the following: • Assign a specific scan setup to a crop layout. • Associate the crop layout and scan setup with one or more specific templates.
15 • ScanFlow & MouseFree • Procedures 6 • If you want the crop layout and scan setup to be valid for every template of a given type, activate the Use Crop Layout: When the Template Type is check box. For standard ColorQuartet templates, the template type number corresponding to the chosen Crop Layout will appear automatically. For a list of the codes used, see ScanMate F6/F8/F8+ template types or ScanMate F10 template types.
15 • ScanFlow & MouseFree • Procedures Setting up a new automatic crop layout You can set up your own crop layouts from scratch and use them on a par with the standard layouts that are supplied with ColorQuartet. This can be used for flatbed scanning with custom templates, or to achieve automatic cropping on a drum scanner. Mark up one or more drums into permanent image sectors with tape or with a marker that will not damage the drum surface. Then proceed as follows.
15 • ScanFlow & MouseFree • Procedures 8 • If desired, make the crop areas smaller by changing the Inset for all Crops values for w (width) and h (height). • The w and h values for Size correspond to the defined size of the cutouts in the template or marked fields on the drum. The effective scan area for each image can be reduced by using Inset values. The w value is applied to both the right- and left-hand sides of the crop, and the h value to both the top and bottom of the crop.
15 • ScanFlow & MouseFree • Procedures 145 Storing a Correction Profile for use with the ScanFlow System • If you want to apply color modifications to batches of scans via the ScanFlow System, you can do it by saving the Correction History as a profile. The saved set of parameters can then be applied via the Correction Profile menu in the Color Definition section of the Scan Setup window.
15 • ScanFlow & MouseFree • Procedures ScanFlow System • Scanning When the ScanFlow System is activated, you can place any previewed template or drum in the scanner at any time. If the template or drum contains images that have already been sent to the Job Queue with the Ready to Scan and Do Jobs commands, they will be scanned as soon as you close the lid of the scanner (flatbed scanners) or click on Resume in the CQscan window (drum scanners).
15 • ScanFlow & MouseFree • Procedures digits after the two long lines in the middle of the code as shown below. If the scanner cannot . . . 15 04 . . . read the bar code even though the label looks ok, the bar code reader may need to be cleaned or adjusted. Contact your authorized Purup-Eskofot dealer for technical support. >>> Related topics: ScanFlow System • Cropping and setting up images from a preview ScanFlow System • Interrupting a batch scan ColorQuartet 5.
15 • ScanFlow & MouseFree • Procedures ScanFlow System • Interrupting a batch scan The ScanFlow System lets you interrupt scanning of any batch to preview or scan any other template or drum. 1 • Open the lid of the scanner (flatbed scanners) or click on the Pause button in the CQscan window (drum scanners). If a batch is being scanned, scanning will stop immediately, and the current job will be put back into the queue so it can be scanned later.
15 • ScanFlow & MouseFree • Procedures 149 “ScanFlow” menu • Overview ScanFlow Control... Opens the ScanFlow Control window. Available Previews... Displays a list of the automatically generated previews. The list shows the number and name of the template or drum as well as the date and time the preview was created. To open and work with a preview, double-click on its entry in the list. Save Crop Layout...
15 • ScanFlow & MouseFree • Procedures 150 Set Up All Crops Opens each crop in turn and applies the scan setup that is linked to the crop layout or, if none is specified, the scan setup that is currently active in the Scan Setup window. Until you activate Do Jobs, you can still check and modify any job by double-clicking on its name in the Jobs window or its crop area in the Preview window. ColorQuartet 5.
15 • ScanFlow & MouseFree • Procedures 151 “ScanFlow Control” window • Overview To open the ScanFlow Control window, choose ScanFlow Control... from ColorQuartet’s ScanFlow menu. “ScanFlow” menu Use this menu in the ScanFlow Control window to choose the desired mode of operation for the ScanFlow System: Off No ScanFlow System functionality is active (default). Each time you make a new preview, it will overwrite the previous one, regardless of which template or drum is used.
15 • ScanFlow & MouseFree • Procedures MouseFree This mode requires the use of pre-defined standard or custom templates. In MouseFree mode, the following things happen automatically as soon as the scanner lid is closed on a new batch: • A preview scan is performed, just as in Auto Previews mode. • The images are cropped according to the crop layout associated with the template type or template number. • The scan setup associated with the crop layout is applied to the jobs. • The jobs are scanned.
16 • MOUSEFREE • PRACTICAL EXAMPLES 153 16•MouseFree • Practical examples MouseFree Tutorial 1 • Auto-scanning a single template In its most basic application, MouseFree mode acts as a scanning “robot” – you set up a dummy image, and MouseFree automatically applies the same parameters to every image in the template. Here’s how to get a quick demonstration of automatic scanning with ColorQuartet MouseFree, assuming that: • you have a basic knowledge of ColorQuartet.
16 • MouseFree • Practical examples 154 ScanFlow & MouseFree • What are they? ScanFlow & MouseFree • Features >>> Next step: MouseFree Tutorial 2 ColorQuartet 5.
16 • MouseFree • Practical examples MouseFree Tutorial 2 • Auto-scanning with several types of templates ScanMate flatbed scanners are delivered with a set of standard mounting templates for images of various sizes (24 x 36 mm, 6 x 6 cm, etc.). Each template has a code that lets the scanner recognize the template’s format. You can set up MouseFree mode to apply a specific scan setup every time a certain type of template is detected: 1 • From ColorQuartet’s ScanFlow menu, choose ScanFlow Control.
16 • MouseFree • Practical examples 156 Remember that automatic cropping and scan setup will only be carried out if you have activated MouseFree in the ScanFlow Control window. >>> Related topics: MouseFree Tutorial 1 ScanFlow & MouseFree • What are they? ScanFlow & MouseFree • Features >>> Next step: MouseFree Tutorial 3 ColorQuartet 5.
16 • MouseFree • Practical examples MouseFree Tutorial 3 • Auto-scanning with multiple templates of same type Since extra templates can be purchased, you may wish to work with more than one template of the same type. In this case, you should give each individual template a unique code number. The ScanFlow System recognizes the code of each template.
16 • MouseFree • Practical examples 158 10 • Open the lid of the scanner for 4-5 seconds and close it again. The images in the template will be cropped, set up and scanned according to the chosen crop layout. If you now put another template of the same type in the scanner, one of three things will happen: • If a specific (different) crop layout has been defined for that template, the images will be cropped and scanned in accordance with it.
17 • HIGHLIGHT AND SHADOW (TONAL RANGE) 159 17•Highlight and shadow (tonal range) Highlight/Shadow • Overview What it is In any image, the darkest and lightest point can be identified. All the other tones in the image are by definition within the range of intensities defined by these two points, called the tonal range. • The lightest point, or highlight value, and the darkest point, or shadow value, can also be thought of as the extreme end points of the image’s gradation curve.
17 • Highlight and shadow (tonal range) 160 • The appearance of the image in the feedback window changes. • The values in the Densitometer window change. • The values in the LCH text fields of the Highlight/Shadow window change. The new values show what tonal values will be mapped to extreme white (HL) and extreme black (SH) in the reproduction. Recommendations and tips • We recommend that you use automatic highlight and shadow adjustment when you scan.
17 • Highlight and shadow (tonal range) Changing tonal range with the histogram The histogram in the Highlight/Shadow window is a bar graph that shows the distribution of light and dark tones in the cropped image area. • The right-hand end of the histogram represents the lightest tones in the image, and the lefthand end represents the darkest tones. • The higher the bar, the more tones of that lightness value are present in the image.
17 • Highlight and shadow (tonal range) Checking tonal range and changing gray balance with the color wheels The two color wheels in the Highlight/Shadow window show the lightest 3% and darkest 3% of pixels in the image, respectively, displayed in green. • Within these areas, the greatest concentration of pixels is shown in red. • A blue cross indicates the tonal value of the active reference point in the feedback window.
17 • Highlight and shadow (tonal range) 163 Checking and changing tonal range with the LCH text fields The LCH text fields in the Highlight/Shadow window show which values in the original image ColorQuartet will map to the lightest and darkest points in the reproduction, expressed in the LCH color model. • The values are calculated mathematically and do not necessarily correspond to existing points in the image. • The values are primarily provided as information.
17 • Highlight and shadow (tonal range) 164 Changing tonal range with the Densitometer When the Highlight/Shadow window is open, you can adjust the tonal range by editing the values in the Densitometer window. • For each color model (LCH, CMYK, RGB), the left-hand field shows the values found in the preview scan, and the right-hand field shows the values that will be produced in the reproduction. The values refer to the last point you clicked on in the feedback window.
17 • Highlight and shadow (tonal range) 165 Auto Setup functions • Overview The Auto Setup... button in the Highlight/Shadow window opens the Auto Setup window. Here you can pre-set default values for highlight and determine whether you want highlight to be adjusted automatically or not. You can also request automatic adjustment of color cast. • The Auto menu lets you choose among several ways of setting the highlight: • Automatic (Open, Auto & Close) • Semi-automatic (Open & Auto).
17 • Highlight and shadow (tonal range) Automatic and semi-automatic highlight adjustment via “Auto Setup” How the two modes work • Automatic: When Open, Auto & Close is chosen from the menu in the Auto Setup window, each time you define a crop, the Highlight/Shadow window opens momentarily, the pre-set highlight values are applied to the image file, and the window closes again.
17 • Highlight and shadow (tonal range) 167 2 • If the Highlight/Shadow window is not already open, open it from the Color menu or tool bar. 3 • EITHER: Click on the white color field in the Densitometer to find the absolute highlight in the image. OR: Click directly on the point in the feedback window that you want to use as the highlight point. 4 • Type the C, M and Y values you require for the highlight of the image into the Edit fields in the Densitometer window.
17 • Highlight and shadow (tonal range) 168 Manual highlight adjustment If you prefer to evaluate each image before making any highlight adjustments, two modes are available: Open and Off. Open Each time you define a crop, the Highlight/Shadow window opens automatically, but no values are applied to the image. • If you have entered pre-set highlight values in the Auto Setup window, you can use them by clicking on the Auto button in the Highlight/Shadow window.
17 • Highlight and shadow (tonal range) 169 Setting the highlight via “Saved Highlight/Shadows” The Saved Highlight/Shadows menu in the Highlight/Shadow window is an alternative to automatic adjustment of the highlight and shadow values. • Each standard setting in the menu takes into account the base color and opacity of a particular type of film. • A film setting sets the highlight to the lightest value that the film type in question theoretically can achieve.
17 • Highlight and shadow (tonal range) 170 Adjusting the shadow point The shadow point of an image is not quite as critical as the highlight point, but, it, too, can be adjusted automatically or manually. Automatic shadow point adjustment This method is primarily intended for reflection originals.
18 • GRADATION (TONAL DISTRIBUTION) 171 18•Gradation (tonal distribution) Gradation What it is A gradation curve is a graphic representation of the relationship between the tones in the original image and the desired tones in the reproduction. By changing the shape of the curve, you can change this relationship and thus increase or decrease the amount of tonal detail (differentiation) in different parts of the image.
18 • Gradation (tonal distribution) 2 • To change the default curve, click anywhere on the curve to produce one or more “handles.” Drag the handles until the desired effect is observed in the feedback window. You will find that even small changes in the curve will produce a noticeable effect on the image. 3 • When finished, click on OK or open another color tool.
18 • Gradation (tonal distribution) • Even if you adjust gradation automatically, you can still check the result in the feedback window and make any manual changes you want to. Choosing a default mode for Auto Gradation Click on the Auto Setup... button in the Gradation window to open the Auto Gradation Setup window. You can now choose among several modes for adjusting the gradation.
18 • Gradation (tonal distribution) 174 Changing gradation with the CMYK Curves If you are used to working directly in CMYK, the CMYK Curves let you change the gradation by manipulating the CMYK values directly. See Modifying images directly in CMYK. Changing gradation with the RGB Curves ColorQuartet’s Gradation function is defined in terms of CMYK or LCH color values.
19 • GRAY BALANCE AND COLOR CAST 175 19•Gray balance and color cast Gray Balance • Overview What it is In conventional color repro, gray balance refers to the proportions of the three process colors (cyan, magenta and yellow) that are necessary to produce a neutral gray in the printed image. The same principle applies to red, green and blue if the image is reproduced in RGB format.
19 • Gray balance and color cast 176 Changing gray balance with “Introduce Cast” Changing gray balance with the “CMYK Curves” Changing gray balance with the “RGB Curves” Inspecting gray balance with the “CMYK Gray Balance ” window ColorQuartet 5.
19 • Gray balance and color cast Checking for and changing color cast Color cast can be analyzed and corrected in the Gray Balance window or in the Highlight/ Shadow window. Adjusting color cast manually 1 • To check whether an image has a color cast, open the feedback window and click on a part of the image that should be white or neutral gray. • If the tone is neutral, the C (chroma) value in the densitometer will be zero.
19 • Gray balance and color cast 178 • If you set the sliders to a value other than None, the desired adjustment will be applied whenever automatic highlight and shadow settings are used. IMPORTANT: remember that if you undo the automatic highlight and shadow settings for an image by using Undo, Revert to Original, or Reset, you will also be undoing the cast reduction. Another way to adjust gray balance automatically is by using the Guide function in the Gray Balance window.
19 • Gray balance and color cast Changing gray balance with the “Gray Balance” window With the Gray Balance window, you can change the gray balance for any part of the tonal range: highlights, mid-tones or shadows. 1 • From ColorQuartet’s Color menu, open the Gray Balance window and the feedback window. 2 • In the feedback window, click on the point in the image that you want to check. If your goal is to neutralize the gray balance, click on a point that should be either white or neutral gray.
19 • Gray balance and color cast 180 Changing gray balance with the “Highlight/Shadow” window The two color wheels in the Highlight/Shadow window let you change the gray balance of the lightest (highlight) and darkest (shadow) parts of the image. By dragging the green/red area in one or both color wheels to a new position, you can neutralize, reduce or increase color cast. NOTE: If you want to neutralize the mid-tone portions of the image, use the Gray Balance window instead.
19 • Gray balance and color cast 181 Changing gray balance with “Introduce Cast” The Introduce Cast window lets you deliberately create a color cast in an otherwise balanced image – for example, to make the image appear “warmer” or “cooler.” It can be particularly useful for creating color cast in only certain tonal areas of an image. 1 • Before using Introduce Cast, you should neutralize the overall gray balance and apply any desired saturation adjustments.
19 • Gray balance and color cast 182 Changing gray balance with the CMYK Curves If you are used to working directly in CMYK, the CMYK Curves let you change the gray balance by manipulating the CMYK values directly. See Modifying images directly in CMYK. ColorQuartet 5.
19 • Gray balance and color cast 183 Changing gray balance with the RGB curves ColorQuartet’s Gray Balance function is defined in terms of CMYK or LCH color values. If you are outputting images in RGB form – for example, on an RGB-based printer or proofer or for use in an on-screen application such as a web site – the RGB Curves let you change the gray balance directly in RGB. See Modifying images directly in RGB. ColorQuartet 5.
19 • Gray balance and color cast 184 Inspecting the gray balance with the “CMYK Gray Balance” window The CMYK Gray Balance window can be opened from the Color menu. It displays the gray balance of the image, taking into account the CMYK profile chosen. This window is for information only. It cannot be used for changing the image. • The curves plot the original’s L* or density values (bottom scale) against the reproduction’s dot percents (left-hand scale).
20 • SATURATION (COLOR INTENSITY) 185 20•Saturation (color intensity) Saturation What it is Saturation refers to the color intensity of an image, i.e., the degree to which non-neutral colors are brought out. An image that appears very colorful has a high saturation, while one that appears dull and “gray” has a low saturation. Saturation in ColorQuartet • In the LCH color model, C (chroma) stands for saturation. The higher the C value, the greater the saturation.
20 • Saturation (color intensity) • When you scan with Scan Setup, there are two ways of achieving automatic saturation adjustment: • For any given image, you can manually set the Guide menu in the Saturation window to let ColorQuartet adjust the saturation. • You can use Auto Saturation Setup to give ColorQuartet a default instruction about whether you want saturation to be adjusted automatically or not, and to what extent.
20 • Saturation (color intensity) Manually changing an automatic or semi-automatic saturation adjustment If the image shown in the feedback window after using automatic or semi-automatic saturation adjustment is not the way you want it, you can readjust it manually: 1 • Undo the automatic or semi-automatic saturation adjustment: • Automatic: Delete the change from the image’s Correction History by clicking on the relevant entry and then pressing Command-X (Macintosh) or the Delete key (PC).
21 • SELECTIVE COLOR CHANGES 188 21•Selective color changes Making selective color changes In digital repro, specific colors in an image can be adjusted or changed without affecting other parts of the image. ColorQuartet includes three functions for selective color control: Selective Color, Selective Hue and Burn Out Background. All three are accessed from the Color menu or the tool bar and are described below.
21 • Selective color changes 189 • If you want to change a given color or range of colors throughout the entire lightness scale, use the Selective Hue function. Practical tips for selective color changes • You can repeat Selective Color and/or Selective Hue as many times as you want, to change different parts of the image. • While one point is selected in the feedback window, you can click on other points and check their densitometer readings before deciding what adjustments to make.
22 • SHARPENING AN IMAGE (UNSHARP MASKING) 190 22•Sharpening an image (unsharp masking) Unsharp masking What it is Unsharp masking (USM) adds visual sharpness to an image by increasing the contrast at the edges of details in the image. Unsharp masking in ColorQuartet ColorQuartet’s sophisticated unsharp masking system offers fully automated USM but also makes it possible for you to control the individual USM parameters if you want to.
22 • Sharpening an image (unsharp masking) 191 • To view the USM settings chosen by ColorQuartet, choose Custom... from the Unsharp Masking menu in the top section of the Scan Setup window to open the Unsharp Masking window. • If you are not satisfied with the automatic sharpening for a given image, you can manually change the parameters in the Unsharp Masking window and apply and/or save the new settings.
22 • Sharpening an image (unsharp masking) 192 Setting USM manually and viewing USM feedback Manual adjustment of USM should only be done if you are not satisfied with the results of the automatic USM function. • The Unsharp Masking window lets you adjust the USM settings manually and, if desired, save them for repeated use. It also lets you interactively view the effect of your USM settings so you can evaluate them before doing the final scan. • To open the Unsharp Masking window, choose Custom...
22 • Sharpening an image (unsharp masking) 193 • A low value makes sharpening take place even when contrast is fairly low. This means that more of the image will be affected. • A higher value means that only areas with higher contrast are affected. • By raising the Threshold value, you can decrease electronic sharpening in areas that should remain smooth, such as sky or skin tones, while retaining the sharpening effect in more contrast-rich areas of the image.
22 • Sharpening an image (unsharp masking) ored image areas, such as a blue sky. In the latter case, try setting Super Sampling to 4. This will approximately double the scanning time. Aperture • The Aperture option in the Unsharp Masking window is relevant for the ScanMate 4000, ScanMate 5000 and ScanMate 11000 drum scanners. • Normally, ColorQuartet’s automatic choice of aperture should be used. However, you can manually specify a different aperture if desired.
22 • Sharpening an image (unsharp masking) 3 • Place the Navigator frame as desired and click on the Scan button in the Unsharp Masking window to make a high-resolution scan of the framed area. • A special scan will be made, using the actual scan resolution you defined in Scan Setup, but without any sharpening, regardless of how the USM parameters are set. • This step is important because USM depends on scan resolution, so you need to view a high-resolution scan to effectively evaluate USM changes.
22 • Sharpening an image (unsharp masking) 196 To save and reuse a USM setting Once you have set up Unsharp Masking the way you want it, you can save the setting for future use. (Before deciding whether to save a given setting, you may want to try it out on various different images using the feedback fields as described above.) 1 • Choose Save... from the USM Profile menu in the Unsharp Masking window.
23 • WHITE POINT CALIBRATION 197 23•White point calibration White point calibration Why is it necessary The output of the scanner’s light source changes slightly over time as the light source ages. If compensation is not made for this physical characteristic of the system, the color balance of your scans may begin to drift. • To ensure consistent scanning results over a period of time, you should carry out a manual white point calibration each day before starting work, as described below.
23 • White point calibration White point calibrating your drum scanner NOTE: If the scanner has a removable drum, carry out focus calibration first, if necessary. This should also be done for the ScanMate 3000 the first time you calibrate. 1 • Make a preview scan. • Transmission: scan a clear area of the drum. • Reflection: scan a piece of paper that is at least as white as the whitest part of the originals you plan to scan.
24 • GEOMETRIC CALIBRATION 199 24•Geometric calibration Geometric calibration (ScanMate F10 only) Why is it necessary A special automatic calibration routine is used for checking the geometrics of the mirror system in the ScanMate F10. • Geometric calibration should be carried out at the time of installation and should also be done any time you change the physical placement of the scanner. • A special XY Calibration Target is supplied with the scanner.
25 • FOCUS ADJUSTMENT AND FOCUS CALIBRATION 200 25•Focus adjustment and focus calibration Focus & Aperture • Overview Some ScanMate scanners offer automatic scan-by-scan focusing, variable focus elevation and/ or variable aperture: SM 11000 SM 5000 SM 4000 SM 3000 SM F6, F8+, F10 Autofocus yes yes yes yes yes Focus Elevation yes yes yes yes yes Var.
25 • Focus adjustment and focus calibration 201 Guidelines for focus adjustment For a list of which functions are supported by which scanners, see Focus & Aperture • Overview • Transparencies only, emulsion side down: If all the images on the drum or mounting plate are transparencies that are mounted with the emulsion side towards the drum/mounting plate, the default setting found during focus calibration will be sufficient to produce images with optimal sharpness.
25 • Focus adjustment and focus calibration 202 possibility is to use Super Sampling if your scanner supports it, or to use Photoshop’s “Despeckle” function after scanning. For reflective originals, use the digital Descreen feature in the Special Functions section of the Scan Setup window.) • Focus Elevation and Autofocus can be used at the same time. The change in focus elevation is relative to the Autofocus point for each individual scan.
25 • Focus adjustment and focus calibration 203 Autofocus • Overview • For some ScanMate scanners, ColorQuartet includes an Autofocus function that adjusts the focus perfectly for each individual scan. • Autofocus is particularly useful if an image is mounted with the emulsion side away from the drum or mounting plate. • Autofocus and manual adjustment of the Focus Elevation (focal point) can be activated for each crop area separately.
25 • Focus adjustment and focus calibration 204 Setting the Autofocus point manually When Autofocus is on, ColorQuartet automatically finds the best spot in the image to use as a focus point. However, in some cases, you may want or need to choose the focus point manually – for example, if the original is not equally thick all over or if there is dust between the original and the drum or mounting plate. 1 • Macintosh: Choose Focus from the menu at the bottom of the feedback window.
25 • Focus adjustment and focus calibration Autofocus warning messages • In connection with Autofocus, several warning and information messages may appear even if the scanning job was otherwise finished successfully. • Double-click on the yellow warning triangle in the Jobs window to read the message. • Messages are shown in the following cases: • If Autofocus is activated but ColorQuartet is unable to find a focus.
25 • Focus adjustment and focus calibration 206 When is focus calibration necessary • The Calibrate Focus function is relevant if your scanner has a removable drum. • Focus calibration can also be carried out on ScanMate flatbed scanners and on the ScanMate 3000 fixed-drum scanner, but is rarely necessary. • Focus calibration ensures optimal adjustment of the basic focus distance for each drum, and should in principle be carried out whenever the drum is changed.
25 • Focus adjustment and focus calibration Focus calibration • Drum scanners Separate focus calibrations must be made – and are stored – for transmission and reflection. Together with your scanner, you received calibration targets for both scanning modes. • The Transmission target is green. It is made from a normal film base and consists primarily of green colors because ColorQuartet uses the green layer of the transparency when it looks for a focus point in transmission scanning.
25 • Focus adjustment and focus calibration 208 >>> Related topics: When is focus calibration necessary ColorQuartet 5.
25 • Focus adjustment and focus calibration Focus calibration • Flatbed scanners Focus calibration is rarely necessary for ScanMate flatbed scanners, but it should be carried out at the time of installation. A special focus calibration target is supplied with the scanner. It should be kept in a safe place after initial calibration, in case it is needed later. 1 • Place the target on the mounting plate. • ScanMate F10: Mount the target on the register pins.
25 • Focus adjustment and focus calibration 210 Drum numbers on ScanMate 5000 with bar code reader If your scanner is a ScanMate 5000 with a built-in bar code reader, the procedure below must be used after turning on the scanner, in order to ensure that the correct drum number is reported to ColorQuartet. This is important because the calibration values for each drum are stored under its bar code number. If the number is not found, default calibration values will be used. 1 • Turn the scanner on.
25 • Focus adjustment and focus calibration 211 Choosing the correct drum number If you are working with a non-bar coded drum in a removable-drum scanner (ScanMate 4000 or some ScanMate 5000s), open the Special Functions section of the Scan Setup window and choose the relevant drum number from the menu that appears. This is necessary to ensure that the correct focus calibration is used. >>> Related topics: When is focus calibration necessary? Focus calibration • Drum scanners ColorQuartet 5.
26 • IT8 CALIBRATION & DEVICE-INDEPENDENT COLOR 212 26•IT8 calibration & device-independent color ColorQuartet and device-independent color ColorQuartet makes use of the CIE Lab color space, which gives you two important advantages: • the ability to calibrate your scanner according to the device-independent IT8 standard.
26 • IT8 calibration & device-independent color Performing IT8 calibration Before starting, please note that the IT8 calibration procedure will take a few minutes. 1 • Depending on which scanning mode you want to calibrate for, mount the IT8 transmission target or IT8 reflection target on the drum or mounting plate.
26 • IT8 calibration & device-independent color 214 NOTE: Only one IT8 calibration for tranmission and one for reflection can exist in your system at any given time. If you carry out the IT8 calibration procedure again, the new calibration will overwrite the old one. >>> Related topics: ColorQuartet and device-independent color Restoring the default IT8 calibration Using an IT8 calibration from another source ColorQuartet 5.
26 • IT8 calibration & device-independent color Restoring the default IT8 calibration Only one IT8 calibration for tranmission and one for reflection can exist in your system at any given time. If you carry out the IT8 calibration procedure, the new calibration will overwrite the old one.
26 • IT8 calibration & device-independent color Using an IT8 calibration from another source You can use an IT8 input profile from another program in ColorQuartet if you want to. 1 • Store the desired profile in your computer system. 2 • In ColorQuartet, click on the CQscan or CQtiff window to make it active. 3 • Choose Preferences... from the Edit menu (Macintosh) or Options... from the Tools menu (PC).
27 • TROUBLESHOOTING 217 27•Troubleshooting Suppressing film grain in smooth image areas Some images have large areas of the same color, such as a blue sky, that should remain smooth in the reproduction. If such an image is scanned at high resolution, the high resolving power of the scanner’s optics may make the film grain visible. In such a case, there are several methods you can use to suppress graininess and smooth out the image. The techniques listed below are for transmission originals.
27 • Troubleshooting Making shared previews available to all the computers in your system If CQscan reports that it cannot see the auto preview location or cannot see the locations of the jobs sent to it by the ColorQuartet user interface, you probably need to map the drive names to each other. This is necessary if you are running PCs and Macintoshes on the same network or if your PCs use different drive names to refer to the same drive. See Setting up the names of shared drives. ColorQuartet 5.
27 • Troubleshooting 219 Restoring ColorQuartet to its default settings (PC) If you are having trouble with ColorQuartet for Windows, you may in some cases wish to restore the program to its original default settings. By choosing Factory Settings, you reset all dialogues, color tools, auto setup functions, etc., to the original values they had when you received the software. 1 • Check that the relevant program module (the ColorQuartet interface, CQtiff or CQscan) is active.
27 • Troubleshooting Basic Troubleshooting for Macintosh If ColorQuartet crashes or seems unstable, or if you suspect an incompatibility with other software you have installed, our customer support will be able to help you much faster if you carry out the following procedures before contacting your dealer. Check whether you have enough free memory When ColorQuartet is running at the same time as all your other applications (Photoshop, Quark XPress, Illustrator, etc.
27 • Troubleshooting Check whether there are Extension conflicts If you have upgraded your system software, there may be items in your Extensions folder that are incompatible with the new system. This can cause problems with ColorQuartet or other programs. By restarting your computer with only the basic MacOS extensions turned on, you can check whether there are extension problems. 1 • From the Apple menu, choose Control Panels-> Extensions Manager. 2 • From the Selected Set menu, choose MacOS X.
27 • Troubleshooting 1 • Generate a description of your computer with the Apple System Profiler. • From the Apple menu, choose Apple System Profiler. From the File menu, choose New Report and include as much information as possible (scanning the entire hard disk for applications can take a few minutes and may not be necessary). A full report will be generated that you can save to disk.
28 • HERE’S HOW! A QUICKGUIDE FOR COLORQUARTET 223 28• Here’s How! A QuickGuide for ColorQuartet Here’s How! A Quick Guide for ColorQuartet Use this guide to learn about the program and make your first scans Here’s how to: • Make sure you’re set up correctly to use ColorQuartet – see page 224 • Start up your scanner and ColorQuartet – see page 227 • • • • Scan an original automatically with Magic Touch – see page 228 Scan an original manually with Scan Setup – see page 230 Use the color tools to modify
28 • Here’s How! A QuickGuide for ColorQuartet Make sure you’re set up correctly to use ColorQuartet Before starting, check that: • ColorQuartet has been installed. • Adobe Photoshop has been installed. • The same monitor profile is active for both ColorQuartet & Photoshop. • If you are running Windows 98 or Windows 2000, this will be done automatically. • Windows 95 or Windows NT 4.0: – see page 225 for more information. • Mac OS: – see page 226 for more information.
28 • Here’s How! A QuickGuide for ColorQuartet 225 Setting up your monitor (Windows 95 or Windows NT 4.0) 1 • From ColorQuartet’s File menu, choose Preferences -> Monitor Setup... . 2 • Choose the RGB profile that corresponds to your monitor ( – see page 25). ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet Setting up your monitor (Mac OS) 1 • Open the ColorSync control panel (accessed from Control Panels in the Apple menu). 2 • Choose the appropriate System Profile for your monitor ( – see page 25). If you are not sure what to choose, open MacOS Help and type in “monitor profile” (or the equivalent in the language of your operating system) for guidance. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet 227 Daily start-up 1• 2• 3• 4• Turn on the scanner and any other SCSI units. Turn on the computer. Start up ColorQuartet. If necessary, start up CQscan and/or CQtiff. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet To scan automatically with Magic Touch If the Magic Touch window did not automatically appear when you started up ColorQuartet, choose Setup... from the Magic Touch menu or click on the Change Magic Touch Settings icon in the tool bar. To mount originals in the scanner • You can autoscan one or more images at a time, as long as the type of scan is the same for all the images in the batch.
28 • Here’s How! A QuickGuide for ColorQuartet 4 • For fully automatic scanning, activate the Do Jobs check box in the Auto Functions section. For semi-automatic scanning ( – see page 37), deactivate Do Jobs. 5 • Start the scanner by doing one of the following: • Click on the Scan button in the Magic Touch window. • Click on the Start a Magic Touch Scan icon in the tool bar • Choose Scan from ColorQuartet’s Magic Touch menu.
28 • Here’s How! A QuickGuide for ColorQuartet 230 Choose the kind of original you want to scan • Reflection – see page 231 Opaque originals such as photographic prints, drawings, printed matter, and 3D objects. • Transmission – see page 232 Transparent positive originals such as color slides. • Negative – see page 233 Transparent negative originals such as color negatives. • Line art – see page 234 Originals that you want to reproduce in black and white, with no gray tones. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet 231 To set up a reflection scan manually 1 • Place the original in the scanner: • face down. • top end near the center of the left-hand edge of the glass plate. 2 • From ColorQuartet’s Scan menu, choose Preview Setup. 3 • In the Preview Setup window: • Choose Reflection. • Choose Color or Gray Scale, depending on the kind of output you want. • Choose a preview Size (the smaller the original, the larger you may want to set the preview size).
28 • Here’s How! A QuickGuide for ColorQuartet 232 To set up a transmission scan manually 1 • Place the original in the scanner: • face up. • top end near the center of the left-hand edge of the glass plate. 2 • From ColorQuartet’s Scan menu, choose Preview Setup. 3 • In the Preview Setup window: • Choose Transmission. • Choose Color or Gray Scale, depending on the kind of output you want. • Choose a preview Size (the smaller the original, the larger you may want to set the preview size).
28 • Here’s How! A QuickGuide for ColorQuartet To set up a negative scan manually 1 • Check what kind of film the original is on (you may need this later). 2 • If the original is a 35-mm negative, cover the sprocket holes with red repro tape or any other kind of opaque or dark-colored tape. 3 • Place the original in the scanner: • face up. • top end near the center of the left-hand edge of the glass plate. 4 • From ColorQuartet’s Scan menu, choose Preview Setup.
28 • Here’s How! A QuickGuide for ColorQuartet 234 To set up a line art scan manually 1 • Place the original in the scanner: • face down if it is a reflective (opaque) original. • face up if it is a transmissive (transparent) original. • top end near the center of the left-hand edge of the glass plate. 2 • From ColorQuartet’s Scan menu, choose Preview Setup. 3 • In the Preview Setup window: • Choose Reflection if the original is opaque or Transmission if it is transparent.
28 • Here’s How! A QuickGuide for ColorQuartet When the preview scan appears on screen 1 • Use the mouse to draw a frame around the area you want to scan. This is called a “crop frame.” 2 • Double-click inside the crop frame. • Several windows should now be open, including the Scan Setup window, the Densitometer window and the feedback window. • BE CAREFUL: If you want to get the Preview window out of the way, you can minimize it.
28 • Here’s How! A QuickGuide for ColorQuartet When the negative preview appears on screen 1 • Use the mouse to draw a frame around the area you want to scan. This is called a “crop frame.” 2 • Double-click inside the crop frame. • Several windows should now be open, including the Scan Setup window, the Densitometer window and the feedback window, which will show the image as a positive. • BE CAREFUL: If you want to get the Preview window out of the way, you can minimize it.
28 • Here’s How! A QuickGuide for ColorQuartet When the line art preview appears on screen 1 • Use the mouse to draw a frame around the area you want to scan. This is called a “crop frame.” 2 • Double-click inside the crop frame. • Several windows should now be open, including the Scan Setup window, the Densitometer window and the feedback window, which will show the image as a positive. • BE CAREFUL: If you want to get the Preview window out of the way, you can minimize it.
28 • Here’s How! A QuickGuide for ColorQuartet 238 In the “Scan Setup” window 1 • Type in a name for the scan (or accept the default name). 2 • Tell ColorQuartet where to put the scan by clicking on the folder icon next to the name field and using the standard Save As... dialogue that appears. 3 • Choose the desired File Format ( – see page 55) from the pull-down list. 4 • In the second section of the Scan Setup window, check that Enlargement & Ruling is active.
28 • Here’s How! A QuickGuide for ColorQuartet 239 In the “Scan Setup” window for your negative scan 1 • Type in a name for the scan (or accept the default name). 2 • Tell ColorQuartet where to put the scan by clicking on the folder icon next to the name field and using the standard Save As... dialogue that appears. 3 • Choose the desired File Format ( – see page 55) from the pull-down list. 4 • In the second section of the Scan Setup window, check that Enlargement & Ruling is active.
28 • Here’s How! A QuickGuide for ColorQuartet 240 In the “Scan Setup” window for your line art scan 1 • Type in a name for the scan (or accept the default name). 2 • Tell ColorQuartet where to put the scan by clicking on the folder icon next to the name field and using the standard Save As... dialogue that appears. 3 • Choose a line art File Format ( – see page 55) from the pull-down list.
28 • Here’s How! A QuickGuide for ColorQuartet Choose the type of change you want to make • • • • • • • • • Make the image lighter or darker – see page 243 Set the highlight automatically to specific dot percents – see page 245 Set the shadow as dark as possible – see page 247 Make the image sharper or less sharp – see page 248 Make the image more or less colorful – see page 250 Reduce or remove color cast – see page 252 Add color cast – see page 254 Change some specific colors – see page 255 Remove
28 • Here’s How! A QuickGuide for ColorQuartet 242 General information about working with the color tools • The color tools are accessed from the Color menu or the tool bar. • Highlight/Shadow ( – see page 159) should always be applied (automatically, semi-automatically or manually). • The other tools are optional. • The Correction History ( – see page 108) shows a record of all the changes made to an image. • The feedback window ( – see page 102) interactively shows the results of your changes.
28 • Here’s How! A QuickGuide for ColorQuartet To make an image lighter or darker First apply automatic highlight and shadow setting in one of the following ways EITHER: Activate Highlight/Shadow Setting in the Auto Functions section of the Magic Touch window. OR: 1 • Open the Highlight/Shadow window. 2 • Click on Auto Setup... to open the Auto Setup window. 3 • If desired, activate the CMY Average Highlight check box and type in dot percents for C, M and Y. The default values are C=5, M=3, Y=3.
28 • Here’s How! A QuickGuide for ColorQuartet If you cannot achieve the desired effect with the Highlight/Shadow tool The Highlight/Shadow tool mostly affects the lightest and darkest parts of the image. If you want to adjust the mid-tones, you may need to use the Gradation tool. • You can adjust the gradation automatically as follows: • EITHER: activate Gradation in the Auto Functions section of the Magic Touch window.
28 • Here’s How! A QuickGuide for ColorQuartet To set the highlight automatically to specific dot percents The highlight or “white” areas of an image are normally set up to contain a slight screen dot (about 3-5%, depending on the printing process). You can set up ColorQuartet to assign the desired dot percents to the lightest parts of the image. The setting can be applied automatically, semi-automatically or manually. For more information about highlight setting options – see page 159.
28 • Here’s How! A QuickGuide for ColorQuartet 246 To set the highlight manually 1 • Open the Highlight/Shadow window. 2 • EITHER: Click on the white color field in the Densitometer window to make ColorQuartet find the absolute shadow point in the image. OR: Click directly on the point in the feedback window that you want to use as the highlight point. 3 • Type the C, M, and Y values you require for the highlight point into the Edit fields of the Densitometer.
28 • Here’s How! A QuickGuide for ColorQuartet To set the shadow as dark as possible The shadow point can be set automatically or manually. The automatic method is mainly intended for reflective (opaque) originals. For general information about working with the color tools – see page 242. To set the shadow point automatically 1 • Open the Highlight/Shadow window. 2 • Click on Auto Setup... to open the Auto Setup window. 3 • Activate the Auto Shadow check box.
28 • Here’s How! A QuickGuide for ColorQuartet To make an image sharper or less sharp Unsharp masking (USM) adds visual sharpness to an image by increasing the contrast at the edges of details in the image. ColorQuartet lets you apply USM automatically or semi-automatically. For general information about unsharp masking – see page 190. Sharpening images automatically EITHER: activate Sharpening in the Auto Functions section of the Magic Touch window.
28 • Here’s How! A QuickGuide for ColorQuartet 249 To learn how to work with USM in the Unsharp Masking window – see page 192. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet To make an image more or less colorful The color intensity of an image is called its saturation. Before adjusting the saturation, you should make any desired adjustments in Highlight/Shadow, Gradation and Gray Balance (in that order). To learn more about saturation – see page 185. For general information about working with the color tools – see page 242. To change the saturation automatically 1 • Open the Saturation window.
28 • Here’s How! A QuickGuide for ColorQuartet To keep gradation changes from affecting the saturation To keep gradation changes from lowering the intensity of saturated colors, the Saturation Limit function in the Gradation window should be on. • The Saturation Limit ensures that colors above a given chroma value (color intensity) are not affected by the gradation curve. The default setting is 70. • To change the Saturation Limit, move the slider and observe the effect in the feedback window.
28 • Here’s How! A QuickGuide for ColorQuartet To reduce or remove color cast in an image In the color reproduction process, images are composed of cyan, magenta and yellow elements (for printing) or red, green and blue elements (for a computer screen or certain other processes). When the three colors are properly balanced (known as the gray balance), neutral grays and whites will have equal amounts of all three colors and will appear neutral.
28 • Here’s How! A QuickGuide for ColorQuartet Adjusting color cast for the whole image automatically 1 • Open the Gray Balance window. 2 • EITHER: click on Neutralize. OR: set the Guide menu to 100% and observe the effect in the feedback window. 3 • If the image is not the way you want it, click on Reset, set the Guide menu to a higher or lower value, and check the result again.
28 • Here’s How! A QuickGuide for ColorQuartet 254 To add color cast to an image Introduce Cast lets you deliberately create a color cast in an otherwise balanced image – for example, to make it appear warmer or cooler. It is particularly useful if you want to create cast in only certain tonal areas of the image. For general information about working with the color tools – see page 242. 1• 2• 3• 4• First neutralize the overall gray balance and apply any desired saturation adjustments.
28 • Here’s How! A QuickGuide for ColorQuartet To change some specific colors in an image Selective Color and Selective Hue let you change some of the colors in an image without affecting other colors. To learn more about making selective color changes – see page 188. For general information about working with the color tools – see page 242.
28 • Here’s How! A QuickGuide for ColorQuartet 3 • The color you clicked on is indicated on the lightness scale by a white rectangle with a black rectangle inside it, and on the color wheel by a small white circle with a black circle inside it. A wedge shows the range of colors that will be affected. • To change the range of colors affected, make the wedge larger or smaller. Your changes will have the greatest effect at the center of the wedge and proportionally less effect toward its edges.
28 • Here’s How! A QuickGuide for ColorQuartet 257 To remove the background color from an image Burn Out Background lets you mask a motif at the time of scanning by digitally removing (“burning away”) the background. It works best when the background has only one or a few fairly consistent colors. For general information about working with the color tools – see page 242. 1• 2• 3• 4• In the feedback window, double-click on the part of the image you want to change. Open the Burn Out Background window.
28 • Here’s How! A QuickGuide for ColorQuartet 258 Choose the kind of calibration you want to do • White point (flatbed scanner) – see page 259 • White point (drum scanner) – see page 260 White point calibration ensures consistent color balance over time. Periodic manual white point calibration makes the automatic calibration before each scan go faster. For a more detailed explanation of white point calibration – see page 197.
28 • Here’s How! A QuickGuide for ColorQuartet To white point-calibrate your flatbed scanner NOTE: before calibrating, make sure the standard mounting plate is in the scanner, not the optional magnetic mounting plate system or (for ScanMate F8 Plus) the optional ScanDot mounting plate. 1 • From ColorQuartet’s Calibration menu, choose Calibrate White. • The scanner will automatically calibrate itself for transmission and reflection. • A message will appear to tell you whether calibration succeeded.
28 • Here’s How! A QuickGuide for ColorQuartet To white point-calibrate your drum scanner 1 • If you are calibrating a removable drum, carry out focus calibration first. This should also be done for the ScanMate 3000 the first time you calibrate it. 2 • Make a preview scan. • Transmission: scan a clear area of the drum. • Reflection: scan a piece of paper that is at least as white as the whitest part of the originals you plan to scan.
28 • Here’s How! A QuickGuide for ColorQuartet To geometrically calibrate your ScanMate F10 scanner 1 • Using the registration pins for the Bacher Control 2000 system, place the XY Calibration Target supplied with the scanner on the mounting plate. IMPORTANT: The target must be kept in good condition. If it becomes scratched or damaged, the calibration results will be incorrect. Keep the target in the envelope provided and store it in a safe place.
28 • Here’s How! A QuickGuide for ColorQuartet To focus-calibrate your flatbed scanner 1 • Place the supplied focus calibration target on the mounting plate. • ScanMate F10: Mount the target on the register pins. • Other scanners: Tape the target across the base plate of the mounting plate, lining it up parallel to the slit in the white tray under the mounting plate. 2 • Open the Preview Setup window, choose Transmission, and make a preview scan of the entire scan area.
28 • Here’s How! A QuickGuide for ColorQuartet To focus-calibrate your drum scanner 1 • Mount the supplied focus adjustment target on the drum. • Transmission: green target. Reflection: black and white target. • Place the target on the part of the drum where you expect to mount the images for scanning, and mount it the same way you expect to mount them (for example, emulsion side down, and in oil or gel if you usually use it).
28 • Here’s How! A QuickGuide for ColorQuartet To IT8-calibrate your scanner 1 • After noting its ID number, place the IT8 transmission target or IT8 reflection target on the mounting plate or drum. • IT8 target sets can be purchased from the major film suppliers. • Transmission and reflection must each be calibrated separately, using the appropriate target.
28 • Here’s How! A QuickGuide for ColorQuartet 265 3 • Then find the original it8trsml.icc and/or it8rfsml.icc file on the ColorQuartet CD-ROM, the disk supplied with your scanner (for ScanMate F8 Plus and ScanMate F10) or Purup-Eskofot’s web site (www.purup-eskofot.com) and copy it into the folder. To use an IT8 input profile from another source 1 • Store the profile in your computer system. 2 • In ColorQuartet, click on the CQscan or CQtiff window to make it active. 3 • Choose Preferences...
28 • Here’s How! A QuickGuide for ColorQuartet 266 Choose the item you want to check or change MACINTOSH: • Location of preview file – see page 267 • Location of temporary files during scanning – see page 269 • Location of high-resolution scans for an OPI server – see page 271 • Using an IT8 calibration from a third-party source – see page 272 PC: • Location of preview file – see page 268 • Location of temporary files during scanning – see page 270 • Location of high-resolution scans for an OPI server – s
28 • Here’s How! A QuickGuide for ColorQuartet 267 To check or change the location of the preview file (Macintosh) The preview scan is stored on disk until it is replaced by a new preview. Its default location is the ColorQuartet X.X folder. To change the location of the preview scan: 1 • Choose Preview Location... from ColorQuartet’s File menu. 2 • Choose the desired location from the dialogue that appears. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet To check or change the location of the preview file (PC) The preview scan is stored on disk until it is replaced by a new preview. Its default location is the ColorQuartet X.X folder. To change the location of the preview scan: 1 • Choose File Locations -> Preview Location... from ColorQuartet’s File menu. 2 • Choose the desired location from the dialogue that appears. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet To check or change the location of the temporary files (Macintosh) You can tell ColorQuartet where to store the temporary files that are generated during scanning. 1 • Foreground the CQscan window. 2 • Choose Preferences from CQscan’s Edit menu to open the Preferences window. 3 • Choose the desired location from the Temporary Files browser in the General section.
28 • Here’s How! A QuickGuide for ColorQuartet To check or change the location of the temporary files (PC) You can tell ColorQuartet where to store the temporary files that are generated during scanning. 1 • Foreground the CQscan window. 2 • Choose Options from CQscan’s Tools menu to open the Options window. 3 • Choose the desired location from the Temporary Files browser in the General section.
28 • Here’s How! A QuickGuide for ColorQuartet 271 To change the location of hi-res scans for an OPI server If you have an OPI server, ColorQuaret can create low-resolution (FPO) images, which are stored at the addresses you specify for the scans. The high-resolution images are typically stored in a server. To tell ColorQuartet where to store them: 1 • Choose OPI High Resolution Folder... from ColorQuartet’s File menu. (Macintosh: If the OPI High Resolution Folder...
28 • Here’s How! A QuickGuide for ColorQuartet To use an IT8 scanner calibration from an outside source (Macintosh) 1• 2• 3• 4• 5• Store the desired scanner profile in your computer. Foreground the CQscan window. Choose Preferences from CQscan’s Edit menu to open the Preferences window. In the ICC Profiles section, click on the relevant File button (Transmission or Reflection). Choose the stored profile from the dialogue that appears. For an explanation of IT8 calibration – see page 212.
28 • Here’s How! A QuickGuide for ColorQuartet To use an IT8 scanner calibration from an outside source (PC) 1• 2• 3• 4• Store the desired scanner profile in your computer. Foreground the CQscan window. Choose Options from CQscan’s Tools menu to open the Options window. In the ICC Profiles section, click on the relevant Browse... button (Transmission or Reflection). 5 • Choose the stored profile from the dialogue that appears. For an explanation of IT8 calibration – see page 212. ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet 274 ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet 275 ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet 276 ColorQuartet 5.
28 • Here’s How! A QuickGuide for ColorQuartet 277 ColorQuartet 5.
