146
Appendix
Resolution
Flatbed
Horizontal Line: Optical 600 dpi
30-2400 dpi (1 dpi step) by hardware interpolation
2401-9600 dpi (1 dpi step) by software interpolation
Vertical Line:
30-2400 dpi (1 dpi step) by changing carriage speed
2401-9600 dpi (1 dpi step) by software interpolation
ADF
Horizontal Line: Optical 600 dpi
60-600 dpi (1 dpi step) by hardware interpolation
601-2400 dpi (1 dpi step) by software interpolation
Vertical Line:
60-600 dpi (1 dpi step) by changing paper feed speed
601-2400 dpi (1 dpi step) by software interpolation
Color Depth
Internal:
30 bits/1billion color (RGB)
Output:
24 bits/16.7million color
Image Data Processing
B
Image sharpening and unsharpening (3 x 5 MTF correction)
B
Brightness/Contrast adjustment
B
Pseudo halftone (Dither/error diffusion)
B
Mirror, Positive / Negative reverse
B
γ
correction: Linear/Adjustable
B
Background reduction
B
Color / B & W mode
Scanning Time*
Color, B&W gray scale (A4 size)
1.6 seconds
30, 60 dpi (prescan)
3.9 seconds
150 dpi
5.2 seconds
200 dpi
7.8 seconds
300 dpi
15.7 seconds
600 dpi
31.4 seconds
1200 dpi
62.7 seconds
2400 dpi
more than 62.7 seconds
2401-9600 dpi
Auto Document Feeder (ADF)
26.0 seconds (2.3 ppm)
600 dpi
18.5 seconds (3.2 ppm)
300 dpi
13.3 seconds (4.5 ppm)
200 dpi
* Initial time is not included.
* Actual time depends on I/F speed and host environment.
Interface
SCSI-2 Connector: 50 pin half size x 2
Paper Handling
Document width: 100 mm to 216 mm (3.94
″
to 8.5
″)
Document length: 178 mm to 356 mm (7
″
to 14
″
)
Document weight: 52.5
g
/m
2
to 127.5
g
/m
2
(14 lbs. to 34 lbs.)
ADF tray: up to 50 pages of document [75
g
/m
2
(20 lbs.) fresh paper]
