Epson 1640XL Zoom, Weight, Brightness, Interfaces, Electrical, Pixel depth, Reliability, Light source, Command level, Rated frequency, Reading sequence, Gamma correction

Reading sequence

Monochrome: One-pass scanning

Color byte sequence: One-pass scanning (R, G, B)

Color line sequence: One-pass scanning (R, G, B)

Zoom

50 to 200% in 1% increments

Command level

ESC/I-B8

Pixel depth

14 bits per pixel (12 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)

Digital halftoning

AAS (Auto Area Segmentation, enable/disable selectable)

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

Interfaces

SCSI 2 (micro DB 50-pin connectors)

USB (Type B receptacle connector) Optional IEEE 1394 (FireWire)

Light source

Xenon gas cold cathode fluorescent lamp

Reliability

100,000 cycles of carriage movement (main unit MCBF)

Weight

Approximately 46.2 lb (21 kg)

ElectricalInput voltage range

100 to 120 VAC: 90 to 132 VAC

220 to 240 VAC: 198 to

264 VAC

Rated frequency

50 to 60 Hz

148