Technical specifications, Scanning, Appendix a – Epson Expression 1680 User Manual
Page 128
Technical Specifications
A-1
Appendix A
Technical Specifications
Scanning
Scanner type:
Flatbed, color
Photoelectric device: Color CCD line sensor
Effective pixels:
13600
×
18720 pixels at 1600 dpi, 100%
Document size:
216 mm
×
297 mm
A4 or US letter size
(The reading area can be specified from
your software.)
Scanning resolution: 1600 dpi (main scan)
3200 dpi with Micro Step (sub scan)
Output resolution:
50 dpi to 12800 dpi
(50 to 6400 dpi in 1 dpi increments, 12800
dpi performed with zoom function)
Color separation:
RGB color filters on CCD
Reading sequence:
Monochrome
One-pass scanning
Color page
sequence
Three-pass scanning (R, G, B)
(This sequence is not supported by EPSON
TWAIN Pro)
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