Epson Expression 636 User Manual - Page 63

Scanner Specifications, A-2 Appendix

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Scanner Specifications Scanner type: Photoelectric device: Effective pixels: Document size: Scanning resolution: Output resolution: Color separation: Reading sequence: Monochrome Color page sequence Color byte sequence Color line sequence Zoom: Image data: Brightness: Line art settings: Halftoning process: Flatbed, color Color CCD (Charged Coupled Device) line sensor 5096 dots by 7020 dots at 600 dpi, 100% 8.5 x 11.7 inches (216 x 297 mm) letter or A4 size (The reading area can be specified from software.) 600 dpi (main, sub) 50 dpi to 4800 dpi in 1 dpi steps Values above 600 through software interpolation RGB color filters on CCD One-pass scanning Three-pass scanning (R, G, B) One-pass scanning (R, G, B) One-pass scanning (R, G, B) 50% to 200% in 1% steps 12 bits per pixel per color saved as 8 bits per pixel per color maximum 7 levels Fixed threshold Text Enhancement Technology (enable/disable selectable) 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 Halftoning mode A only in color line sequence mode; 2 downloadable dither patterns A-2 Appendix

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Scanner Specifications
Scanner type:
Photoelectric device:
Effective pixels:
Document size:
Scanning
resolution:
Output resolution:
Color separation:
Reading sequence:
Monochrome
Color page sequence
Color byte sequence
Color line sequence
Zoom:
Image data:
Brightness:
Line art settings:
Halftoning process:
Flatbed, color
Color CCD (Charged Coupled Device)
line sensor
5096 dots by 7020 dots at 600 dpi, 100%
8.5 x 11.7 inches (216 x 297 mm)
letter or A4 size
(The reading area can be specified from
software.)
600 dpi (main, sub)
50 dpi to 4800 dpi in 1 dpi steps
Values above 600 through software
interpolation
RGB color filters on CCD
One-pass scanning
Three-pass scanning (R, G, B)
One-pass scanning (R, G, B)
One-pass scanning (R, G, B)
50% to 200% in 1% steps
12 bits per pixel per color saved as 8 bits per
pixel per color maximum
7 levels
Fixed threshold
Text Enhancement Technology
(enable/disable selectable)
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
Halftoning mode A only in color line
sequence mode; 2 downloadable dither
patterns
A-2 Appendix