Scanning - Epson Perfection 640U Reference Manual
Color image scanner
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Also See for Perfection 640U:
- Scanner basics (71 pages) ,
- Service manual (53 pages) ,
- Product support bulletin (31 pages)
Table of Contents
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Scanning
Scanner type:
Photoelectric device: Color CCD line sensor
Effective pixels:
Document size:
Scanning resolution: 600 dpi (main scan)
Output resolution:
Color separation:
Image data:
Gamma correction:
Interface:
Light source:
Reliability:
Dimensions:
Weight:
A-4
Technical Specifications
Flatbed, color
5100 × 7020 pixels at 600 dpi, 100%
216 × 297 mm (8.5 × 11.7 inches A4 or US
letter size. The reading area can be
specified from your software.)
2400 dpi with Micro Step (sub scan)
72, 96, 150, 300, 600, 1200, 2400, and
9600 dpi
RGB color filters on CCD
12 bits per pixel per color internal
8 bits per pixel per color external
1 type for user-defined
USB (Type B Receptacle Connector)
White cold cathode fluorescent lamp
30,000 cycles of carriage movements
(main unit MCBF)
Width: 269 mm (10.6 inches)
Depth: 435 mm (17.1 inches)
Height: 93 mm (3.7 inches)
Approx. 2.8 kg (6.2 lb)
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