Epson Expression 1680 Special Edition User Manual (w/EPSON Scan software) - Page 59

Specifications, Scanner, General - flatbed scanner

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Appendix A Specifications Scanner General Scanner type Flatbed, color Photoelectric device Color MatrixCCD™ line sensor Effective pixels 13600 × 18720 pixels (1600 dpi) Optical density 3.6 Dmax Color depth 48-bit internal/48-bit external Grayscale depth 16-bit internal/16-bit external Maximum document size 8.5 × 11.7 inches (216 × 297 mm) A4 or Letter (the reading area can be specified from your software) Resolution 1600 dpi (optical) Maximum hardware resolution* 1600 dpi (main scan) 3200 dpi with Micro Step Drive (sub scan) * The maximum hardware resolution of 1600 × 3200 dpi is achieved using EPSON's Micro Step Drive technology Maximum interpolated resolution 12800 × 12800 dpi Speed (1600 dpi, draft mode) Color: 9.2 msec/line (approx.) Grayscale: 3.1 msec/line (approx.) Line Art: 3.1 msec/line (approx.) Color separation RGB color filters on CCD Reading sequence Monochrome: One-pass scanning 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 Command level ESC/I-B8 FS Pixel depth 16 bits per pixel (16 bits per pixel input, 1 to 16 bits per pixel output) Brightness 7 levels Line art settings Fixed threshold TET (Text Enhancement Technology, enable/disable selectable) 53

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53
Appendix A
Specifications
Scanner
General
Scanner type
Flatbed, color
Photoelectric device
Color MatrixCCD
™
line sensor
Effective pixels
13600 × 18720 pixels (1600 dpi)
Optical density
3.6 Dmax
Color depth
48-bit internal/48-bit external
Grayscale depth
16-bit internal/16-bit external
Maximum document size
8.5 × 11.7 inches (216 × 297 mm)
A4 or Letter (the reading area can be
specified from your software)
Resolution
1600 dpi (optical)
Maximum hardware resolution*
1600 dpi (main scan)
3200 dpi with Micro Step Drive
(sub scan)
*
The maximum hardware resolution of
1600 × 3200 dpi is achieved using
EPSON’s Micro Step Drive technology
Maximum interpolated resolution
12800 × 12800 dpi
Speed (1600 dpi, draft mode)
Color:
9.2 msec/line (approx.)
Grayscale:
3.1 msec/line (approx.)
Line Art:
3.1 msec/line (approx.)
Color separation
RGB color filters on CCD
Reading sequence
Monochrome: One-pass scanning
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
Command level
ESC/I-B8
FS
Pixel depth
16 bits per pixel (16 bits per pixel
input, 1 to 16 bits per pixel output)
Brightness
7 levels
Line art settings
Fixed threshold
TET (Text Enhancement Technology,
enable/disable selectable)