Epson expression 1680 ユーザーズマニュアル
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)
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)
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
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:
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)
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
FS
Pixel depth
16 bits per pixel (16 bits per pixel
input, 1 to 16 bits per pixel output)
input, 1 to 16 bits per pixel output)
Brightness
7 levels
Line art settings
Fixed threshold
TET (Text Enhancement Technology,
enable/disable selectable)
TET (Text Enhancement Technology,
enable/disable selectable)
1680.book Page 53 Wednesday, April 9, 2003 4:09 PM