Symptom
Possible Cause
Remedy
Paper jams occur frequently.
The document is wrinkled.
Smooth out the document.
The rollers are dirty.
Clean the rollers (page 98).
The document is not aligned
correctly.
Realign the document (page 46).
Too many sheets are set on the
feed tray.
Remove sheets until the sheets
on the feed tray are under the
limit mark on the document
guide.
Scanned documents are wrinkled
or folded in the exit tray area
when the exit support sheet is
used.
The documents are thin or
curled.
Scan the documents without the
exit support sheet (page 58).
Double feeding occurs
frequently.
The paper feed roller, separation
roller or double feed prevention
roller is dirty.
Clean the paper feed roller,
separation roller or double feed
prevention roller (page 98).
The paper feed roller, separation
roller or double feed prevention
roller have become worn down.
Replace the paper feed roller,
separation roller or double feed
prevention roller (page 104).
The double feed detectors are
dirty.
Clean the double feed detectors
(page 96).
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 43)
and load it again after reducing
the number of sheets.
The document is printed on an
unsupported type of paper or
thick paper.
Make a copy of the document on
paper of a compatible type and
thickness (page 42), and then
scan the copy.
The length of the paper is too
short.
Make a copy of the document on
paper of a compatible size (page
42), and then scan the copy.
The document is not aligned
correctly.
Realign the document (page 46).
Too many sheets are set on the
feed tray.
Remove sheets until the sheets
on the feed tray are under the
limit mark on the document
guide.
The double feed detectors are
not adjusted properly.
Remove the documents, and
then turn off/on the unit's power
(page 38).
12.9 Troubleshooting
130