Ricoh M C250FW, Field Service Manual

Page: 251 / 324

6.Troubleshooting
239
Problem Cause Details Solution
Registration
Other Causes of Dirty Copies
Problem Cause Details Solution
Dirty backs of
printed sheets
The paper transfer roller
and pressure roller can get
dirty when servicing jams.
-
•
The paper transfer roller
is self-cleaning so the
fouling should not
continue.
•
After 2 or 3 copies go
through, this should
clean the pressure
roller.
Paper leading
edge surface
dirty
Toner is sticking to the
guide plate at the fusing
exit.
•
This problem can
occur after
frequent paper
jams.
•
Using thick paper
in Plain Paper
mode.
•
When using Thin
paper frequently.
•
The problem
presents over
time.
•
Feed some blank
sheets to solve the
problem.
•
Clean the fusing exit
guide plate (clean after
allowing sufficient time
for the fusing unit to
cool).
Paper trailing
edge surface
dirty
•
The paper transfer
roller is dirty.
•
Dirt has collected on
the saw-tooth edge of
the anti-static plate at
the exit of the paper
transfer unit.
•
Can occur
immediately after
servicing a jam.
•
A cover was
opened and
closed during
printing.
•
Thick paper was
in use.
•
The problem
presents over
time.
•
Clean around the anti-
static plate (work
carefully to avoid
bending the plate),
•
The paper transfer roller
is self-cleaning so the
fouling should not
continue (should
gradually improve).