Epson Expression 1680 User Manual

131
Appendix A
Specifications
Scanner
General
Scanner type
Flatbed, color
Photoelectric device
Color MatrixCCD
™
line sensor
Effective pixels
13600
×
18720 pixels (1600 dpi)
Optical density
3.6 Dmax
Color depth
48-bit internal/48-bit external
Grayscale depth
16-bit internal/16-bit external
Maximum document size
8.5 × 11.7 inches (216 × 297 mm)
A4 or Letter (the reading area can be
specified from your software)
Resolution
1600 optical
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
Maximum interpolated resolution
12800
×
12800 dpi
Speed (1600 dpi, draft mode)
Color: 9.2 msec/line (approx.)
Grayscale: 3.1 msec/line (approx.)
Line Art: 3.1 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)
Zoom
50 to 200% in 1% increments
Command level
ESC/I-B8
FS
Pixel depth
16 bits per pixel (16 bits per pixel
input, 1 to 16 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)
1680.book Page 131 Thursday, March 1, 2001 4:28 PM

Epson Expression 1680 Specifications

Scanning Specifications

optical resolution	1600 x 3200 dpi
maximum resolution	13, 600 x 18, 720 dpi with interpolation
effective pixels	13, 600 x 18, 720 pixels (1600 dpi)
color depth	48 bits per pixel internal/external
grayscale depth	16 bits per pixel internal/external
scanning speed (color, 1600 dpi, draft mode)	9.2 msec/line (approx.)
scanning speed (grayscale/monochrome, 1600 dpi, draft mode)	3.1 msec/line (approx.)

Operating Environment

temperature operating range	41ºF to 95ºF (5ºC to 35ºC)
humidity operating range	10% to 80% (no condensation)
humidity storage range	10% to 85% (no condensation)

Power

voltage	AC 100V-120V, 220V-240V
frequency	50-60Hz
power consumption (operating without optional unit)	60W
power consumption (operating with optional unit)	75W
power consumption (standby without optional unit)	10W

Weight and Dimensions

maximum read area	8.5" x 11.7" (216mm x 297mm)
width	13.1" (332mm)
depth	22.1" (562mm)
height	5.2" (133mm)
weight	18.7 lb (8.5 kg approx.)