Specifications - Epson Expression 1640XL User Manual

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General
Scanner type
Flatbed, color
Photoelectric device
Color MatrixCCD line sensor
Effective pixels
19520 27520 pixels at 1600 dpi,
100% scaling
Optical density
3.6 Dmax
Color depth
42-bit internal/42-bit external
Grayscale depth
14-bit internal/14-bit external
Maximum document size
12.2 17.2 inches (310
A3 or Letter
(The reading area can be specified from
your software)

Specifications

This appendix includes general, electrical,
environmental, and interface specifications. It also
includes specifications for the transparency unit,
automatic document feeder, and IEEE 1394
FireWire scanner interface card.
Output resolution
Maximum hardware resolution*
Maximum interpolated resolution
Speed (1600 dpi, draft mode)
Color separation
437 mm)
50 dpi - 9600 dpi
50 to 4800 in 1 dpi increments
7200 and 9600 dpi with zoom
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
12800 12800 dpi
Color: 9.2 msec/line (approx.)
Grayscale: 3.1 msec/line (approx.)
Line Art: 3.1 msec/line (approx.)
RGB color filters on CCD
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