COPYRIGHT © 2005 CANON ELECTRONICS INC. CANON DR-2580C FIRST EDITION APR. 2005
2-25
CHAPTER 2 FUNCTION & OPERATION
If a document skews when you select auto-
matic size detection, but do not select skew
correction, parts of leading and trailing edges
of the image will be missing.
ABC
Figure 2-518
Note:
In case that part of circumference of
document is dark or brightness level is
not appropriately set, this function may
not successfully work. This may also
happen when the skew correction or
black frame removal described later is
performed.
7) Skew Correction (Deskew)
If the skew correction is selected, the size
of document read is broadened by 10 mm
compared with the user-specified size.
The skew is detected based on the data
read to compensate the skew.
The image data is then restored to the
user-specified image size.
ABC
ABC
ABC
Maximum outside frame
Angle
Figure 2-519
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