Epson Expression 1680 User Manual
Page 129
A-2
Technical Specifications
Image data:
16 bits per pixel per color internal
1 to 16 bits per pixel per color external
Brightness:
7 levels
Line Art settings:
Fixed threshold
Text Enhancement Technology
(enable/disable selectable)
Halftoning process: Auto Area Segmentation
(enable/disable selectable)
3 halftoning modes (A, B, and C) and
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 for user-defined
Color correction:
1 type for CRT display
3 types for printer output (available in color
byte sequence mode and color line sequence
mode)
1 type for user-defined
(Only user-defined Color correction is
available in EPSON TWAIN Pro)
Interface:
SCSI (50 pin half pitch connectors), USB
(Type B Receptacle Connector), and
optional IEEE 1394 Serial Bus Interface
Light source:
Xenon gas fluorescent lamp
Reliability:
100,000 cycles of carriage movement (main
unit MCBF)
Dimensions:
Width: 332 mm
Depth: 562 mm
Height: 133 mm
Weight:
Approx. 8.5 kg