Epson 1640XL Scanner User Manual


 
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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)
Dimensions
Width: 25.8 inches (656 mm)
Depth: 18 inches (458 mm)
Height: 6.9 inches (176 mm)
Weight
Approximately 46.2 lb (21 kg)
Electrical
Input voltage range
100 to 120 VAC: 90 to 132 VAC
220 to 240 VAC: 198 to
264 VAC
Rated frequency
50 to 60 Hz