Samsung SF-830, Service Manual

Page: 69 / 189

Troubleshooting
Samsung Electronics 4-36
Paper
stopped before
the OPC?
Check the LSU and
if it has the defect
replace it
Paper
stopped before
the fuser?
Severe skew
when feeding?
Adjust the paper guides to fit the
paper width
The force of springs pressing the
developer is weak
-> Check guide-DEVE
The paper
came out through
between fuser and
developer?
Too thin
or sensitive paper to
static electricity?
Use the recommended
paper
Check guide transfer
is grounded Check
the shutter prevents
feeding
Check the input path
to the fuser (such as
mis-assembly)
The
actuator of
paper exit sensor
works OK?
Check the actuator exists and its
operation and around the Main PBA
-> Replace
Is the paper
rolled around the
presseure
roller?
Remove the fuser, remove
the paper and replace the
pressure roller, if necessary
Feeds
multiple pages?
Remove any factors
Check the roller
and ribs of fuser
are in place, and
remove burrs, if
any
-> Remove the
factors of jam
NO NO NO
NO
NO NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Paper Jam(Jam 1)