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Technical Specifications
A-3
Scanning
Scanner type
Flatbed, color
Photoelectric device
Color CCD line sensor
Effective pixels
10200
×
14040 pixels at 1200 dpi, 100%
Document size
216 mm
×
297 mm (8.5 inches
×
11.7 inches)
A4 or US letter size (The reading area can be
specified from your software.)
Scanning resolution
1200 dpi (main scan)
2400 dpi with Micro Step (sub scan)
Output resolution
50 dpi to 9600 dpi
(50 to 4800 dpi in 1 dpi increments, 7200 dpi,
and 9600 dpi. 7200 dpi and 9600 dpi
performed with zoom function)
Color separation
RGB color filters on CCD
Zoom
50% to 200% in 1% increments
Image data
14 bits per pixel per color internal
14 bits per pixel per color external
Brightness
7 levels (In EPSON TWAIN, Gamma correction
controls Brightness)
Line Art settings
Fixed threshold
Text Enhancement Technology
(enable/disable selectable)
Halftoning process
AAS (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
Содержание Series Perfection 1240U Series
Страница 2: ... 2 ...
Страница 8: ... 8 ...
Страница 30: ...1 20 Using the Buttons ...
Страница 50: ...2 20 Scanning Basics High Contrast Increases the contrast of dull images Open Shadow ...
Страница 60: ...2 30 Scanning Basics ...
Страница 94: ...3 34 Understanding EPSON TWAIN Features ...
Страница 102: ...4 8 Calibrating Your System ...
Страница 138: ...6 22 Maintenance and Troubleshooting EPSON Perfection 1240 appearing under Other devices with a question mark ...
Страница 146: ...6 30 Maintenance and Troubleshooting ...
Страница 160: ...A 14 Technical Specifications ...
Страница 161: ...Contacting Customer Support B 1 Appendix B Contacting Customer Support Overview B 2 ...