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Symptom Possible Cause Remedy
The image for a scanned
document is blank.
The document to be scanned was
loaded upside down.
Load the document correctly.
(page 38)
Vertical streaks appear on the
scanned document.
The scanning glasses are dirty.
Clean the scanning glasses.
(page 53)
The scanning density is
uneven.
The scanning glasses are dirty.
Clean the scanning glasses.
(page 53)
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.
Depending on the documents
scanned, the color of documents may
not be scanned properly. For
example, the color of a highlighter pen
may be scanned lighter than it
appears.
Setting the value for Chroma higher in
the scanning conditions may solve
this problem.
Dark spots or noise appear on
the scanned documents.
The scanning glasses are dirty.
Clean the scanning glasses.
(page 53)
There is noise or wave
patterns (moire pattern) on
the scanned image.
The scanning resolution settings,
combined with patterns within the
scanned image, may cause this
problem.
Change the scanning resolution, and
perform scanning again.
The sound made by paper
being ejected is higher than
usual when you scan short
documents.
If the length of documents are less
than about 148 mm (5.8 in.), feeding
speed control will be activated for
exiting documents; this is normal
behavior.
—
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)
68 Operating Manual
Appendix