Scanner Parts. Epson EXPRESSION 1640XL

EPSON Expression 1640XL

Scanner Parts

carriage

(at home position)

Scanner Specifications

Scanner

General

Scanner type

Maximum document size

] Start button transportation lock

SCSI ID dial terminator switch

Photoelectric device

Effective pixels optional interface slot

USB interface

SCSI interfaces option connector

(ADF/TPU)

AC inlet transportation lock

Flatbed, color

Color MatrixCCD line sensor

19520 × 27520 pixels at 1600 dpi,

100% scaling document cover document table control panel

12.2

×

17.2 inches (310

×

437 mm)

A3 or Letter (The reading area can be specified from your software)

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

Brightness

14 bits per pixel (14 bits per pixel input, 1 to 14 bits per pixel output)

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

8/00 EPSON Expression 1640XL - 1

EPSON Expression 1640XL

Interfaces

Light source

Reliability

Dimensions

Weight

SCSI-2 (micro DB 50-pin connectors)

USB (Type B receptacle connector)

Optional IEEE 1394 (FireWire)

Xenon gas cold cathode fluorescent lamp

100,000 cycles of carriage movement

(main unit MCBF)

Width: 25.8 inches (656 mm)

Depth: 18 inches (458 mm)

Height: 6.9 inches (176 mm)

Approximately 46.2 lb (21 kg)

Electrical

Input voltage range 100 to 120 VAC, ± 10%

220 to 240 VAC, ± 10%

Rated frequency 50 to 60 Hz

Rated current 100 to 120 VAC: 1.2 A

220 to 240 VAC: 0.7 A

Power consumption Operating: Approximately 45 W

Approximately 55 W with TPU or ADF unit

Standby: Approximately 12 W

Environmental

Temperature Operating: 41 to 95 °F (5 to 35 °C)

50 to 89 °F using ADF (10 to 32 °C)

Storage: − 13 to 140 °F ( − 25 to 60 °C)

Humidity (without condensation) Operating: 10 to 80%

Storage: 10 to 85%

Operating conditions Ordinary office or home conditions.

Avoid dust, direct sunlight, and proximity to strong light sources.

Safety Approvals

120 V model Safety: UL 1950 CSA C22.2 No. 950

EMC: FCC part 15 subpart B class B

CSA C108.8 class B

230 V model Safety: EN 60950

EMC: EN 550022 (CISPR Pub 22) class B

AS/NZS 3548 class B

SCSI Interface

Interface type

Logic level

ID setting

Terminator

ANSI X3T9.2/375R Revision 10L

(SCSI-2)

TTL-compatible

Selectable from 0 to 7

Internal active terminator (enable/disable selectable)

Connector type Two micro DB 50-pin connectors

USB Interface

Interface type Universal Serial Bus Specification

Revision 1.0

Electrical standard Full speed mode (12Mb) of Universal

Serial Bus Specification Revision 1.0

Connector type One receptacle (Type B)

Option (ADF/TPU) Interface Connector

Interface type

Output voltage

For use with the optional automatic document feeder (B813212) and transparency unit (B813202)

21.6 to 26.4 VDC

4.75 to 5.25 VDC

Output current 1.3 A (24 V)

0.3 A (5 V)

Initialization Methods

SCSI interface Hardware: Initialized when the scanner is turned on or the scanner receives a SCSI

Reset signal from the SCSI interface

USB interface

Software: Initialized when the software sends the Esc @ (initialize the scanner command), or the scanner receives a SCSI

Bus Device message

Hardware: Initialized when the scanner is turned on or the USB cable is unplugged from the USB port on the scanner

Software: Initialized when the software sends the Esc @ command or the scanner receives a Bus Reset from the USB interface

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