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4-3-4 Paper Jam (Jam 1)
Paper
NO
stopped before
the OPC?
YES
Check the LSU and
if it has the defect.
->Replace it.
Adjust the paper guides to fit the
paper width.
The force of springs pressing the
developer is weak.
-> Check guide-DEVE.
Samsung Electronics
Paper
actuator of
NO
stopped before
paper exit sensor
the fuser?
works OK?
YES
Is the paper
rolled around the
presseure
Remove the fuser, remove
the paper and replace the
pressure roller, if necessary.
NO
Severe skew
when feeding?
YES
The
Check the actuator exists and its
NO
operation and around the engine board.
-> Replace.
YES
NO
multiple pages?
roller?
YES
Reduce the amount
and retest.
The paper
came out through
between fuser and
developer?
YES
Too thin
or sensitive paper to
static electricity?
YES
Use the recommended
paper.
Check the roller
Feeds
NO
and ribs of fuser
are in place, and
remove burrs, if
any.
-> Remove the
YES
factors of jam.
NO
Check the input path
to the fuser (such as
mis-assembly).
Check guide transfer
NO
is grounded. Check
the shutter prevents
feeding.
Troubleshooting
4-15
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