Symptom Possible Cause Remedy
Scanned image is skewed.
The document guides are not
adjusted to the size of the document
to
be
scanned, or the document to be
scanned is set slanted on the hopper.
Adjust the document guides properly
to the size of the document to be
scanned (page 26).
Right and left sides of the document
to be scanned are not the same in
height, because of curling or folding.
Flatten the document (page 21) and
load
it
again after reducing the pages.
The scanned document is
blank.
The document to be scanned was
loaded upside down.
Load the document correctly.
(Page 26)
Vertical lines appear on the
scanned document.
The image sensor covers are dirty.
Clean the image sensor covers (F and
B). (Page 54)
The scanning density is
uneven.
The image sensor covers are dirty.
Clean the image sensor covers (F and
B). (Page 54)
The quantity distribution of light
varies.
Adjust shading. (Page 80)
The color of the scanned
document is extremely
different from the original
document.
The settings of the computer monitor
are wrong.
Adjust the computer monitor settings.
Dark spots or noise appear on
the scanned documents.
The image sensor covers are dirty.
Clean the image sensor covers (F and
B). (Page 54)
If you still experience problems after following these suggestions, please contact our Technical Support
Department at 1-800-726-2797 for further assistance. (U.S.A. only)
Operating Manual 79
Appendix
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