NCR 7193 Thermal Receipt Printer Service Guide BD20-1440-A Issue B August 1998
The product described in this book is a licensed product of NCR Corporation. It is the policy of NCR Corporation (NCR) to improve products as new technology, components, software, and firmware become available. NCR, therefore, reserves the right to change specifications without prior notice. All features, functions, and operations described herein may not be marketed by NCR in all parts of the world. In some instances, photographs are of equipment prototypes.
7193 Service Guide Contents Contents Chapter 1: About the 7193 Printer 1 Models ........................................................................................................................................ 1 Communication Interfaces................................................................................................ 1 Features ...................................................................................................................................... 2 Options ..............
Contents Chapter 4: Troubleshooting 7193 Service Guide 33 Operator Panel Lights.......................................................................................................... ... 33 Field Effect Transistors (FETs)) ............................................................................................. 34 Operating Problems ............................................................................................................. ... 35 Electronic Problems ..............................
7193 Service Guide Contents Appendix B: Ordering Paper and Supplies 59 Ordering Thermal Paper ........................................................................................................ 59 Ordering Other Supplies........................................................................................................ 60 Order from Other Equipment Manufacturers.............................................................. 60 Order from Axiohm......................................................
Contents x 7193 Service Guide August 1998
193 Service Guide Chapter 1: About the 7193 Printer Chapter 1: About the 7193 Printer The 7193 thermal receipt printer is fast, quiet, and very reliable. With thermal printing technology, there is no ribbon cassette to change, and paper loading is extremely simple. The printer is small enough to fit almost anywhere and is easy to use with the receipt exiting from the top. There is no journal as it is kept electronically by the host system.
Chapter 1: About the 7193 Printer 7193 Service Guide Features All models come with the following features: • Drop-in paper loading which does not require using a spindle or threading the paper through a paper path • Host-selectable 44 or 56 columns of print on 80 mm wide “fax grade” thermal paper • Two resident selectable character sets: • PC Code Page 437 (US) • PC Code Page 850 (Multilingual) • 16K RAM available for downloadable character sets and bit-mapped graphics • 4K buffer (RS-232C and
7193 Service Guide Chapter 1: About the 7193 Printer book for instructions on replacing the printhead. See “Cleaning the Printer” later in this chapter for cleaning instructions for the printhead. Cleaning the Printer Cleaning the Cabinet Clean the cabinet as needed to remove dust and finger marks. Use any household cleaner made for plastics, but test it first on a small unseen area. If the receipt paper bucket is dirty, wipe it with a clean, damp cloth.
Chapter 1: About the 7193 Printer 4 7193 Service Guide August 1998
7193 Service Guide Chapter 2: Installing the Printer Chapter 2: Installing the Printer What Is in the Box? The following items are packed in the shipping box (printers shipped in bulk may not include all of these items): • • Printer enclosed in a plastic bag and foam pack • Thermal paper roll (inside printer) • Test printout protecting the printhead (inside printer) Power supply with attached cable to printer (only if ordered with the printer) • Power cord—from power supply to outlet (only if orde
Chapter 2: Installing the Printer 7193 Service Guide Choosing a Location The 7193 is compact and requires little counter space. It may even be mounted on a wall if space is at a premium. See “Mounting the Printer on a Wall” later in this chapter. The power supply, if used, may also be mounted on a wall or under a table. See “Mounting the Power Supply on a Wall” later in this chapter. Be sure to plan for the length of the communication and power cables when choosing a location.
7193 Service Guide Chapter 2: Installing the Printer Note: Switch #1 is used to toggle between regular communication with the host computer and Level 1 Diagnostics (used for the printer functions and level 1 diagnostic tests): • Switch #1 set to OFF: printer is ready to communicate with the host computer and receive data (online mode) • Switch #1 set to ON: printer is in Level 1 Diagnostics (setup mode) If you want the printer to communicate with the host computer, be sure switch 1 is OFF.
Chapter 2: Installing the Printer 7193 Service Guide RS-232C Switch Settings Use the DIP switches to set the RS-232C parameters and the Data Error and Data Buffer options as shown. The parameters must match the host computer. See “Level 1 Diagnostics” in the “Diagnostics” chapter for more information. Caution: The switches can also be used for setting other functions and tests.
7193 Service Guide Chapter 2: Installing the Printer Parallel Switch Settings When switch 1 is set to Off, the printer is on-line and ready to communicate with the host computer. For systems using non-standard ACK handshaking, this option is on Switch 2. DO NOT select the ACK handshaking option without fully understanding your system requirements.
Chapter 2: Installing the Printer 7193 Service Guide LCSIO (RS-485) Switch Settings For printers using the LCSIO (RS-485) interface, the DIP switches are used to set the LCSIO (RS-485) address bits as shown in the following table.
7193 Service Guide Chapter 2: Installing the Printer Connecting Cash Drawer Cables The cash drawer option is available with RS-232C interface and Parallel interface models. This option allows up to two cash drawers to be connected to the printer in a system with a PC that has no connectors for the cash drawer cables. The cash drawer cables usually come with the cash drawer. The cash drawers are operated by software command from the host computer through the printer.
Chapter 2: Installing the Printer 7193 Service Guide Connecting Communication and Power Cables Models receiving power from the host computer (integrated), use one cable for communication and power. Models receiving power from a power supply (remote), use one cable for communication and a separate cable for power. Caution: Be sure that all power is disconnected before connecting the cables. 1. Turn off the host computer or unplug the power supply if it is plugged in. 2.
7193 Service Guide Chapter 2: Installing the Printer Parallel Models August 1998 13
Chapter 2: Installing the Printer 7193 Service Guide Turning On the Printer Note: On models receiving power from a power supply, the printer receives power when the power supply is on even if the printer is off-line. To remove power from the printer, press the On Line button to take the printer off-line (On Line is off), then unplug the power supply power cord from the outlet. 1. Press the On Line button on the operator panel to put the printer on-line.
7193 Service Guide Chapter 2: Installing the Printer Testing the Printer Run this test to check the printer. The test prints the settings for several functions, prints all variations of the character sets, and partially cuts the paper between each variation. See the “Diagnostics” chapter for a description of the functions. A sample printout (RS-232C) is shown later in this section. The printouts for other models are similar. The test ends with a partial cut, then begins again.
Chapter 2: Installing the Printer 16 7193 Service Guide August 1998
7193 Service Guide Chapter 2: Installing the Printer Mounting the Printer on a Wall Use the wall-mount kit to mount the printer vertically on a wall. See “Appendix B: Ordering Paper and Supplies” for information on ordering the printer wall-mount kit. The kit contains a mounting bracket, screws with plastic anchors, and a label. Once the printer is mounted on the wall, the operator panel will be upside down. The label corrects this so the panel can be easily read.
Chapter 2: Installing the Printer 18 7193 Service Guide August 1998
7193 Service Guide Chapter 2: Installing the Printer Mounting the Power Supply on a Wall The power supply comes with a wall-mount kit to mount the power supply on the wall or under a table. See “Appendix B: Ordering Paper and Supplies” for information on ordering the power supply and wall-mount kit. The kit contains a holder and screws with plastic anchors. Be sure there are no hidden wires or other obstructions in the wall where you mount the power supply.
Chapter 2: Installing the Printer 20 7193 Service Guide August 1998
7193 Service Guide Chapter 3: Diagnostics Chapter 3: Diagnostics The following diagnostic tests are available for the 7193: • Level 0 Diagnostics Performed during the startup cycle • Level 1 Diagnostics (setup mode) Available in a dedicated environment and accessed through the DIP Switches • Level 2 Diagnostics Performed during normal printer operation Level 0 Diagnostics The printer performs level 0 diagnostics during the startup cycle when power is supplied to the printer.
Chapter 3: Diagnostics 7193 Service Guide Level 1 Diagnostics Level 1 Diagnostics (setup mode) allow you to change the settings for various printer functions (described on the following pages) and to run certain tests using the DIP switches. Keep the following information in mind when changing the settings: • Turn the power off (not required, but recommended).
7193 Service Guide Chapter 3: Diagnostics Setting Data Error and Data Buffer options This function allows you to select the handling of data reception errors (RS-232C only) and to select the size of the data buffer (RS-232C and Parallel only). Caution: The DIP switches are pre-set at the factory and should generally not be changed. If you must change them, do so carefully to avoid changing other functions. Run the print test to see the current settings for this function.
Chapter 3: Diagnostics 7193 Service Guide Setting Printhead Resistance This function allows you to change the setting for the printhead resistance. The setting (AH) must match the letter stamped on the heatsink in back of the printhead. This is visible only by removing the L cover (operator panel) of the printer. See “Removing the L Cover” in the chapter, “Disassembling and Reassembling the Printer,” later in this book.
7193 Service Guide Chapter 3: Diagnostics Setting Default Lines per Inch This function allows you to set the default for lines per inch to either 7.6 or 6. Caution: The DIP switches are pre-set at the factory and should generally not be changed. If you must change them, do so carefully to avoid changing other functions. Run the print test to see the current settings for this function. See “Testing The Printer” in chapter 2. 1. Turn the power off. 2.
Chapter 3: Diagnostics 7193 Service Guide Setting Partial Cut Distance This function allows you to change the length of the partial knife cut. The higher the number, the longer the cut. Caution: The DIP switches are pre-set at the factory and should generally not be changed. If you must change them, do so carefully to avoid changing other functions. Run the print test to see the current settings for this function. See “Testing The Printer” in chapter 2. 1. Turn the power off. 2.
7193 Service Guide Chapter 3: Diagnostics Setting the 7150 Response Mode This function allows you to set the 7193 to respond as an NCR 7150™ printer for the Configuration Message at the link level and the Request Status command at the command level. This “7150 response mode” allows the 7193 to communicate with those LCSIO (RS485) host computers whose drivers recognize the NCR 7150™ but not the 7193. Caution: The DIP switches are pre-set at the factory and should generally not be changed.
Chapter 3: Diagnostics 7193 Service Guide Ignoring/Using the Carriage Return This function allows the printer to ignore or use the Carriage Return (Hex 0D) command depending on the application. Some applications expect the command to be ignored while others use the command as a print command. Caution: The DIP switches are pre-set at the factory and should generally not be changed. If you must change them, do so carefully to avoid changing other functions. 1. Turn the power off. 2.
7193 Service Guide Chapter 3: Diagnostics 4. Turn the power back on to enter the settings into the EEROM and enable the Data Scope Mode. On remote models, the On Line light (green) blinks. 5. Turn the power off. 6. Set the DIP switches to the former settings. DIP switch 1 must be Off to return the printer to the on-line mode. 7. Turn the power back on. The printer is on-line and can communicate with the host computer. 8. Run a transaction from the host computer.
Chapter 3: Diagnostics 7193 Service Guide Testing Receipt Printing This function allows you to select various print tests. You can also test the printing by following the procedures in “Testing the Printer” in chapter 2 without having to change the DIP switches. A sample test printout is in chapter 2. Caution: The DIP switches are pre-set at the factory and should generally not be changed. If you must change them, do so carefully to avoid changing other functions. 1. Turn the power off. 2.
7193 Service Guide Chapter 3: Diagnostics Level 2 Diagnostics Level 2 diagnostics run during normal printer operation. When the following conditions occur, the printer automatically turns off the appropriate motors and disables printing to prevent damage: • Paper out, cover off, or knife unable to home • Printhead too hot or voltages out of range The lights on the operator panel will signal when these conditions occur as well as indicate what state or mode the printer is in.
Chapter 3: Diagnostics 32 7193 Service Guide August 1998
7193 Service Guide Chapter 4: Troubleshooting Chapter 4: Troubleshooting The 7193 printer is a simple, generally trouble-free printer, but from time to time minor problems may occur. For example, the power supply may be interrupted or the printhead may overheat for some reason. Lights on the operator panel will signal that something may not be operating properly: one green light (labeled On Line—remote models only) and one red light (labeled Paper Feed—all models) may either flash or glow continuously.
Chapter 4: Troubleshooting 7193 Service Guide Field Effect Transistors (FETs)) Field Effect Transistors (FETs) are located on the PC board and can be used to diagnose motor and printhead problems.
7193 Service Guide Chapter 4: Troubleshooting Operating Problems The tables in this section aid in determining the cause of printer malfunctions and provide a list of steps to follow to correct each problem. The steps in the “What to do” column progress from correcting the most likely cause to correcting the least likely cause of the problem.
Chapter 4: Troubleshooting 7193 Service Guide Problem Possible Causes What To Do Knife Does Not Operate Paper jam. Open the receipt cover, inspect the knife, and clear any jammed paper. Bad knife home sensor. Check knife sensor with an ohm meter at its harness and test point. Replace the knife home sensor. Printer not configured for knife. Check the switch settings. Knife motor sensor not plugged in. Check connections to the PC Board. Failure of the knife motor or sensor.
7193 Service Guide Chapter 4: Troubleshooting Electronic Problems Problem Possible Causes What To Do Power Voltage too Low/High Improper connections in printer. Check that all cable connections are correct and that the power supply (if present) is plugged in and the printer is on-line. AC supply voltage is out of range. Measure the voltage with an AC volt meter and check it against the power supply label. The voltage range should be 24V +/- 5%.
Chapter 4: Troubleshooting 7193 Service Guide time, cleaning the printhead with cotton swabs and rubbing alcohol will not be of much benefit. See “Appendix B: Ordering Paper and Supplies” for the recommended paper grades.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Chapter 5: Disassembling and Reassembling the Printer This chapter explains how to completely disassemble and reassemble the 7193 printer. The 7193 is a relatively simple printer with a straightforward design and is easy to service. This information may be used as an aid for training service personnel as well as a reference guide for servicing the printer in the field.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Removing the Receipt Cover 1. Turn off the host system or unplug the power supply (if used). 2. Disconnect the communication and power cables. Models receiving power from the host system (integrated) use one cable for communication and power. Models receiving power from a power supply (remote) use one cable for communication and a separate cable for power. 3.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Note: The platen cannot be replaced on knife units. The receipt cover comes complete as a kit and cannot be disassembled. Replacing the Platen 1. Slide one end of the platen shaft into the slot on the receipt cover and press the other side until it snaps in place in the other slot. 2. Bow the paper guide slightly so the paper guide arms are bent in slightly and insert the paper guide into the receipt cover.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Removing the Print Mechanism and PC Board Assembly Caution: Electrostatic Discharge may damage the PC board. Wear a grounded wrist strap and use a static mat or other ESD protected work surface whenever you work with the PC board. The print mechanism and board assembly come out of the cabinet together. The first three steps apply to parallel models only. Note: The view in the illustration shows the printer from the bottom. 42 1.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer 4. Turn the printer on its rear wall and loosen and remove the #8 thread-cutting screw on the bottom of the printer. Go slowly to preserve the screw hole. 5. Turn the printer back over so it is right side up. Caution: Keep your hands away from the thermal printhead. Touching the printhead will smudge it causing the print to degrade. 6.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Separating the Print Mechanism and PC Board Assembly 44 1. Remove the PC board assembly from the print mechanism by unscrewing the large #8 thread-cutting screw on the bottom of the board using a P2 Posidrive screwdriver. 2. Go slowly so as to preserve the screw hole.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Disconnecting Cables See the illustration on the facing page for the locations of the connectors on the PC board. 1. Remove the following cables by gently tugging on the connector. • J1, sensor connector • J2, motor connector for knife motor (on knife unit) • J3, paper feed motor connector • J4, cash drawer connector • J7, 4-pin connector for printhead ground 2. Remove the 30-pin ZIF connector (J8) for the printhead. a.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Disassembling the Print Mechanism The following subassemblies and parts may be removed from the print mechanism for service or replacement: • Printhead • Knife assembly and motor (on knife unit) • Paper feed motor • Switches for sensors (paper out, knife home, and cover open). Removing the Knife Assembly 1. Using a 1½ mm hex driver, remove the set screw from the top of the knife drive arm. See the illustration. 2.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Replacing the Knife Assembly 1. Place the left knife support over the left side of the knife blade. 2. Slide the rotating blade into the right-hand knife support. 3. Replace the two screws in the left-hand knife support, securing it to the frame. 4. Place the slotted drive arm on the right end of the rotating blade. 5. Replace the set screw in the top of the slotted drive arm by using a 1½ mm hex driver. 6.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Removing the Printhead Caution: Eectrostatic Discharge may damage the PC board. Wear a grounded wrist strap and use a static mat or other ESD protected work surface whenever you work with the PC board. 1. Unscrew the knife ground strap (on knife unit) from the printhead. 2. Remove the flat printhead spring by pushing or prying with a flathead screwdriver under the plastic tab on one side. Take care to preserve the plastic tabs.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Replacing the Printhead The mechanism should be facing you with the printhead area toward you. Note: Take note of the letter (A-H for early models; A-D, 3-0 for later models) printed on the heat sink (the part of the printhead which faces the front of the printer). This letter indicates the printhead resistance and should match the letter printed on the print test. If these letters do not match, changes in the EEROM need to be made.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Replacing the Knife Motor 1. Replace the knife motor by placing its gear through the mounting hole in the right side of the printer mechanism. The gear should mesh with the gears on the outer edge. 2. Replace the two mounting screws. Removing the Switches Note: The knife motor must be removed before the paper out swictch can be removed. 50 1.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Replacing the Switches 1. For each switch, reattach the faston terminals on the harness to the rearmost spade on the switch. 2. Replace the paper out switch in its proper position under the paper path area and insert the screwdriver through the knife motor mounting hole and replace the mounting screw. 3.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Disassembling the PC Board Assembly Disassembling the PC board assembly consists of separating the ESD/EMC shield from the PC board. This is not required as the PC board assembly is an orderable item. Neither the PC board nor the ESD/EMC shield are separately orderable. These instructions are here only for your convenience. Removing the ESD/EMC Shield Caution: Electrostatic Discharge may damage the PC board.
7193 Service Guide Chapter 5: Disassembling and Reassembling the Printer Replacing the Print Mechanism Replacing the PC Board Assembly on the Print Mechanism See “Separating the Print Mechanism and PC Board Assembly” for more information. 1. Place the PC board next to the right side of the print mechanism in a vertical position, so that J2 and J3 connectors are up. The printhead area of the mechanism should be facing you with the board next to it and to your right.
Chapter 5: Disassembling and Reassembling the Printer 7193 Service Guide Replacing the Print Mechanism See “Removing the Print Mechanism and PC Board Assembly” for more information. 1. Lift the entire mechanism/board assembly and place it in the cabinet. The mounting shelf (in the rear of the mechanism) should fit under the row of ribs along the back inside of the cabinet. The front of the mechanism assembly should now drop into place. 2.
7193 Service Guide Appendix A: Specifications Appendix A: Specifications Features Interfaces RS-232C, Parallel, LCSIO Version of RS-485 Memory/Firmware 16K RAM (available for downloadable character sets and bitmapped graphics) History EEROM 4K Buffer (RS-232C and Parallel) Resident character sets PC Code Page 437 (US) PC Code Page 850 (Multilingual) Integrated bar codes Code 39, UPC-A, UPC-E, JAN8 (EAN), JAN13 (EAN), Interleaved 2 of 5, Codabar, Code 128 Options Knife Power Supply (separate in-l
Appendix A: Specifications 7193 Service Guide Power Requirements The 7193 printer receives power either from the host system (integrated) or from a separate in-line power supply (remote) which can be purchased separately. Power from Host (Integrated) Voltage 21.4-30.8 Vac +5 Volts for Logic Circuits Amps 2 Amps Maximum Current Draw Power from Power Supply (Remote) Voltage 24 Vdc +5 Volt Supply for the Logic Circuits Dimensions and Weight 56 Height 119 mm (4.7 in.
7193 Service Guide Appendix A: Specifications Printing Specifications Speed 1020 Lines per Minute Noise Level 50 dBA (ISO 7779) Printhead Direct Thermal, Fixed Head Print Area Host Selectable 44 (Standard) or 56 (Compressed) Columns Character Pitch 15.2 Characters per Inch (Standard) 19.0 Characters per Inch (Compressed) Dot Density 152 Dots per Inch Line Spacing 7.
Appendix A: Specifications 7193 Service Guide Density of Receipt Print Lines When the 7193 prints high density print lines (text or graphics), it automatically slows down to a rate slower than 600 lines per minute. High density print lines are defined as lines with over 57% of the dots printing on the line (there are 448 total dot columns on the print station).
7193 Service Guide Appendix B: Ordering Paper and Supplies Appendix B: Ordering Paper and Supplies Ordering Thermal Paper The 7193 requires qualified thermal thermal paper with the following dimensions: Diameter Length Width 83 mm max. (3.27 in.) 83 meters (273 ft.) 80 mm ± .2 mm (3.15 ± .02 in.) The paper must not be attached at the core. Use paper with a colored stripe at the end to indicate that the paper is running low.
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7193 Service Guide Appendix C: Kits Appendix C: Kits The available service kits are listed in this section. See the Parts Identification Manual for more information.
Appendix C: Kits 7193 Service Guide Knife Switch Kit 189-9940610 Printhead Kit (Speed) 189-9940850 Small Parts Kit 189-9940618 Hardware Kit 189-9940619 62 Micro Switch Screw Printhead Screw Left Knife Support Right Knife Support Knife Drive Arm Intermediate Gears Drive Gear (Knife) Grip Ring Ground Strap Screws Jack Cover Ground Strap Screws August 1998
7193 Service Guide Appendix D: Connectors Appendix D: Connectors Power Connector The following illustration shows the power cable connector and pin assignments. The power cable connector is a 6-pin mini DIN plug and is located in the small cavity under the printer at the front. It is not used with LCSIO (RS-485) models that receive power from the host system. RS-232C Connector The following illustration shows the RS-232C communication connector and pin assignments. The cable is communication only.
Appendix D: Connectors 7193 Service Guide RS-232C 25-Pin to 9-Pin Cable Diagram Note: This information is provided for testing and troubleshooting only. RS-232C 9-Pin to 9-Pin Cable Diagram Note: This information is provided for testing and troubleshooting only.
93 Service Guide Appendix D: Connectors Parallel Connector The following illustration shows the Parallel communication connector and pin assignments. The connector is at the rear of the printer. With Parallel, the 7193 is always remotely powered. See “Power Connector” earlier in this appendix for an illustration of the power connector and pin assignments. Note: The cable used for the parallel interface is a 25-pin wired straight-through cable. The pin assignments are the same on either end of the cable.
Appendix D: Connectors 7193 Service Guide Powered from Power Supply The cable serves only as a communication cable. Cash Drawer Connectors The following illustration shows the pinouts for the cash drawer connector. Pin 6 Pin 1 The following two tables show the pinouts for cash drawers 1 and 2. The cash drawer connectors are located at the rear of the printer. There are no cash drawer connectors used with LCSIO (RS-485) printers.
7193 Service Guide Appendix E: Commands Appendix E: Commands The commands control all operations and functions of the 7193 printer, from selecting the size and placement of characters and graphics on the receipt to feeding and cutting the paper. Note: All versions of the 7193 use the same commands as listed in this section unless otherwise noted. For example, the Parallel interface does require unique commands for controlling the cash drawer.
Appendix E: Commands 7193 Service Guide Printer Function Commands These commands control the following basic printer functions and are listed in numerical order of their Hex codes: • Printing • Feeding the paper • Resetting the printer • Cutting the paper • Opening the cash drawers • Defining the print area Printer Function Commands Hex Code Command 09 Horizontal Tab 0A Line Feed 0D Carriage Return 10 Clear Printer 14 n Feed n Print Lines 15 n Feed n Dot Rows 16 n Add n Extra Do
7193 Service Guide Appendix E: Commands Printer Function Commands Hex Code Command 1B 61 n Align Character Positions 1B 63 34 n Select Sensors to Stop Printing (Not Implemented) 1B 63 35 n Enable or Disable Panel Switch 1B 64 n Print and Feed n Lines 1B 6A k Read from Non-Volatile Memory 1B 70 n etc. Generate Pulse to Open Cash Drawer 1B 73 n etc.
Appendix E: Commands 7193 Service Guide Graphics Commands These commands print graphics data and are listed in numerical order of their Hex codes. Graphics Commands Hex Code Command 1B 24 etc. Set Absolute Starting Position1 1B 2A m etc. Set Bit Image Mode 1B 4B etc. Single-Density Graphics 1B 4C etc. Double-Density Graphics 1B 59 etc. 1D 2A etc.
7193 Service Guide Appendix E: Commands Real Time Commands Hex Code Command 1D 03 n Real Time Request to Printer, GS Sequence 1D 04 n Real Time Status Transmission, GS Sequence 1D 05 Real Time Printer Status Transmission Bar Code Commands These commands print bar codes. HRI means Human Readable Interface. The commands are listed in numerical order of their Hex codes.
Appendix E: Commands 72 7193 Service Guide August 1998
7193 Service Guide Index Index —7— 7150 response mode, 27 7193 printer cleaning, 3 clearance, 6 description, 1 dimensions, 6, 56 disassembling, 39 environmental conditions, 55 features, 2, 55 installation. See Installation kits, 61 location, choosing, 6 models, 1 options, 2 ordering supplies, 59 power requirements, 56 power supply, ordering, 60 printing specifications, 57 reliability, 55 wall-mount kit, 17 —A— Accessories.
Index 7193 Service Guide Disassembly, 39 disassembling PC board assembly, 52 disassembling print mechanism, 46 disconnecting cables, 45 disconnecting harnesses, 45 removing ESD/EMC shield, 52 removing knife assembly, 46 removing knife motor, 49 removing L cover, 41 removing paper feed motor, 51 removing paper guide, 40 removing PC board assembly, 44 removing platen, 40 removing print mechanism, 42 removing printhead, 48 removing receipt cover, 40 removing switches, 50 tools, 39 Duty cycle limitations, 58
7193 Service Guide Index Level 2 diagnostics, 31 Level 3 diagnostics, 31 Lines per inch, default, 25 Location choosing, 6 clearance, 6 —M— Models, of 7193 printer, 1 Mounting power supply on wall, 19 Mounting printer on wall, 17 —O— Operator panel, 31 lights, 33 Options, 2 Ordering cash drawer, 60 communication cable, 60 paper, 59 power supply, 60 printer wall-mount kit, 60 supplies, 59 —P— Packing material removing, 5 repacking, 5 Paper ordering, 59 requirements, 59 suppliers, 59 Paper feed motor remo
Index 7193 Service Guide Reliability, 55 Repacking printer, 5 RS-232C interface communication cable diagrams, 64 communication connector and pin assignments, 63 parameters, 8 —S— Sensors. See switches Service kits. See kits Setting switches, 6 LCSIO address bits, 10 Parallel, 9 RS-232C parameters, 8 Setup mode.
BD20-1440-A Issue B 0898 NCR is the name and mark of NCR Corporation © 1997 NCR Corporation Printed in U.S.A.
