Epson Stylus Scan 2500 User Manual
Page 274

Product Specifications
B-9
R4C427_V2
long.bk
Rev_C
A5 size
SPEC.FM
2/1/00
Pass 2
R
Proof Sign-off:
K. Nishi, K. Gazan _______
N. Nomoto
_______
J. Hoadley
_______
Document size:
8.5
Ч
11.7“(216
Ч
297 mm) A4 or US letter size
(The reading area can be specified from your
software.)
Scanning resolution:
600 dpi (main)
1200 dpi (sub)
Output resolution:
50 dpi to 9600 dpi
Color separation:
RGB color filters on CCD
Reading sequence:
Monochrome: One-pass scanning
Color page sequence: Three-pass scanning (R, G, B)
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
Image data:
12 bits per pixel per color internal
8 bits per pixel per color external
Brightness:
7 levels
Line Art settings:
Fixed threshold
Text Enhancement Technology
(enable/disable selectable)
Halftoning process:
AAS (Auto Area Segmentation)
Error Diffusion 3 mode (A, B, C)
Dither (Resident) 4 mode (A, B, C, D)
Dither (User defined) 2 mode (A, B)
Gamma correction:
CRT display 2 level
Printer 3 level (A, B, C)
User defined 1 level
Color correction:
1 type for CRT display
Impact-Dot Printer
Thermol Printer
Ink-jet Printer
1 type for user-defined
Interface:
USB + IEEE1284.4
Light source:
White cold cathode fluorescent lamp
Reliability:
30,000 cycles of carriage movements
(main unit MCBF)
Lamp: Life 10,000 hour