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Image Scanner User's Manual
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Parameter download
To download a gamma curve and a dither pattern to the scanner.
You can modify the scanned image with your gamma curve and binalize it with your dither
pattern.
Refer to your software manual for how to download these parameters to the scanner.
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Document size detection
The scanner detects the width and length of a document and sends them to the host computer.
sub-scanning
direction
a
b
5 mm
d
c
d
c
d
Document feeder mode
c
surface
surface
5 mm
5 mm
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Skew detection
To detect at what angle the document is skewed and to send the skew angle to the host
computer.
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Semi-automatic document feed (SADF) mode
In this mode, originals which are set on the feeder one at a time are automatically fed into the
document feeder and scanned one at a time.
Book mode
feeding direction
Note:
E
Top and right areas (shadow areas
of the right figures) of an original
must be white. If these areas are col-
ored, the size may not be detected
correctly.
E
Place an original on the contact
glass along the top and right scale.
Place originals on the document
table tightly against both sides
guides. If an original is not placed
correctly , the scanner may not de-
tect the size correctly.
Appendix
03_IS430-BODY
97.5.8, 5:37 PM
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