Specifications

ManualsBrandsEpson ManualsScannerEXPRESSION 1640XL

EPSON Expression 1640XL

8/00 EPSON Expression 1640XL

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Scanner Parts

Scanner Specifications

Scanner

General

Scanner type Flatbed, color

Maximum 12.2 × 17.2 inches (310 × 437 mm)

document size A3 or Letter (The reading area can be

specified from your software)

Photoelectric

device Color MatrixCCD line sensor

Effective pixels 19520

27520 pixels at 1600 dpi,

100% scaling

Maximum hardware

resolution* 1600 dpi (main scan)

3200 dpi with Micro Step Drive

(sub scan)

*The maximum hardware resolution of 1600

3200 dpi is achieved

using EPSON’s Micro Step Drive technology

Output resolution 50 dpi - 12800 dpi

50 to 6400 in 1 dpi increments

Zoom 50 to 200% in 1% increments

Maximum interpolated

resolution 12800

12800 dpi

Line art 1 bit per pixel

Speed (1600 dpi, Color: 13.2 msec/line (approx.)

draft mode) Grayscale: 4.5 msec/line (approx.)

Line Art: 4.5 msec/line (approx.)

Color separation RGB color filters on CCD

Reading sequence Monochrome: One-pass scanning

Color byte sequence: One-pass

scanning (R, G, B)

Color line sequence: One-pass

scanning (R, G, B)

Command level ESC/I-B8

Optical density 3.6 Dmax

Color depth 42-bit internal/42-bit external

Grayscale depth 14-bit internal/14-bit external

Pixel depth 14 bits per pixel (14 bits per pixel

input, 1 to 14 bits per pixel output)

Brightness 7 levels

Line art settings Fixed threshold

TET (Text Enhancement Technology,

enable/disable selectable)

Area separation AAS (Auto Area Segmentation,

enable/disable selectable)

Digital halftoning 3 halftoning modes (A, B, and C)

4 dither patterns (A, B, C, and D) for

bi-level and quad-level data

(2 downloadable dither patterns)

Gamma correction 2 types for CRT display

3 types for printer

1 type user-defined

Color correction 1 type for CRT display

3 types for printer (available in color

byte sequence mode and color line

sequence mode)

1 type user-defined

document cover

document table

transportation lock

carriage

(at home

position)

control

panel

] Start button

terminator switch

SCSI interfaces

SCSI ID

dial

option connector

(ADF/TPU)

AC inlet

USB

interface

optional interface slot

transportation lock

Summary of content (8 pages)

PAGE 1
EPSON Expression 1640XL Maximum hardware resolution* 1600 dpi (main scan) 3200 dpi with Micro Step Drive (sub scan) Scanner Parts document cover *The maximum hardware resolution of 1600 × 3200 dpi is achieved using EPSON’s Micro Step Drive technology Output resolution 50 dpi - 12800 dpi 50 to 6400 in 1 dpi increments carriage (at home position) document table Zoom 50 to 200% in 1% increments Maximum interpolated resolution 12800 × 12800 dpi control panel ] Start button terminator switch 1 bit pe
PAGE 2
EPSON Expression 1640XL Interfaces Light source Xenon gas cold cathode fluorescent lamp Reliability 100,000 cycles of carriage movement (main unit MCBF) Dimensions Width: 25.8 inches (656 mm) Depth: 18 inches (458 mm) Height: 6.9 inches (176 mm) Weight SCSI Interface SCSI-2 (micro DB 50-pin connectors) USB (Type B receptacle connector) Optional IEEE 1394 (FireWire) Approximately 46.2 lb (21 kg) Rated frequency 50 to 60 Hz Rated current 100 to 120 VAC: 1.2 A 220 to 240 VAC: 0.
PAGE 3
EPSON Expression 1640XL Transparency Unit (B813202) IEEE 1394 FireWire Scanner Interface Card (B808342) General General Reliability MCBF 100,000 cycles Readable area 11.4 × 16.5 inches (290 × 420 mm) Interface type IEEE 1394-1995 compatible Dimensions Width: 12.8 inches (324 mm) Depth: 21.3 inches (540 mm) Height: 3.
PAGE 4
EPSON Expression 1640XL Scanner indicator lights Transporting the Scanner Light Light status Color Scanner status OPERATE N Green Scanner is on READY N Green Ready to scan images F (flashing) Green Scanning is in progress N F (rapidly flashing) O Red An error occurred; see the following table for more information ERROR When you transport the scanner a long distance or store it for an extended time, follow the steps below to secure the carriage. 1.
PAGE 5
EPSON Expression 1640XL 5. Click the Preview button. Scanning with EPSON TWAIN Pro 1. Start your host application (for example, Adobe Photoshop LE). 2. Select your scanner driver. (Unless you change your source, you only need to do this step once.) Click to define the scan area automatically For example, if you’re running Windows and using Adobe Photoshop LE as your host application, click File, Import, Select TWAIN_32 Source. In the Select Source dialog box, select EPSON TWAIN Pro(32-bit).
PAGE 6
EPSON Expression 1640XL Scanning Color Images Using a Network Scanner If the colors in your scanned image don’t match those in your original document, try experimenting with the Unsharp Mask setting. Click the Destination button in the EPSON TWAIN Pro main window to display the Destination window, and then select or deselect Unsharp Mask. Network scanning involves the following steps: ❏ The scanner server must be turned on and running EPSON Scan Server.
PAGE 7
EPSON Expression 1640XL If your host application is Presto! PageManager for EPSON, choose Acquire from the File menu. When EPSON TWAIN Pro Network starts, the EPSON TWAIN Pro Network main menu appears and you connect to the scanner server. You can quit EPSON Scan Server at any time. Just click the Exit button on the EPSON Scan Server dialog box. Wait for this message before you exit.
PAGE 8
EPSON Expression 1640XL ❏ To break the connection between the client computer and the scanner server, click the Stop button on the EPSON Scan Server dialog box. This closes EPSON TWAIN Pro Network on the client computer and allows other client computers to connect to the scanner server.