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 feed tray
.
Adjust the document guides
properly to the size of the
document to be scanned. (page
43)
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 40)
and load it again after reducing the
number of sheets.
The image for a scanned
document is blank.
The document to be scanned was
loaded upside down.
Load the documents with the
surface to be scanned facing up.
Vertical streaks appear on
the scanned document.
The scanning glasses are dirty.
Clean the conveyor and scanning
glasses. (page
68)
The scanning density is
uneven.
The scanning glasses are dirty.
Clean the conveyor and scanning
glasses. (page
68) If cleaning does
not improve the scanning density,
perform shading adjustment. (page
99)
The color of the scanned
document is extremely
dif
ferent 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 conveyor and scanning
glasses. (page
68)
There are noise or wave
patterns (moire patterns) on
the scanned image.
The scanning resolution settings,
combined with patterns within the
scanned image, may cause this
problem.
Change the scanning resolution or
turn the Moire Reduction function
ON, and perform scanning again.
About Moire Reduction function,
refer to the Image Capture Plus
,
TWAIN, or ISIS help.
There is a noise louder than
normal when a short
document exits the unit.
The motor speed control may cause
a louder noise when a short
document exits the unit. This
operation is normal.
—
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)
11.1 Troubleshooting
97
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