Symptom Possible Cause Remedy
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 70)
The double feed detectors are dirty.
Clean the double feed detectors.
(page 69
)
The paper feed roller, separation
roller
, or double feed prevention
roller has become worn down.
Replace the paper feed roller,
separation roller, and double feed
prevention roller. (page 77)
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 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 39), 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
39), and then scan the copy.
The paper thickness mode is not
appropriate for the documents.
Change the paper thickness mode.
(page 28
)
The document is not aligned
correctly
.
Realign the document. (page 43)
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.
Documents are not being
fed separately
.
Manual feeding is selected.
Select automatic feeding. (page
49)
Paper jams occur frequently.
The paper thickness mode is not
appropriate for the documents.
Change the paper thickness mode.
(page 28
)
The document is wrinkled. Smooth out the document.
The rollers are dirty. Clean the rollers. (page 70)
The sensors are dirty. Clean all of the sensors. (page 67)
The document is not aligned
correctly
.
Realign the document. (page 43)
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.
11.1 Troubleshooting
96
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