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FC-210/310 TROUBLESHOOTING 4 - 84 February 2002 © TOSHIBA TEC
Cause/Section
Step
Check items Measures
Main charger
Transfer belt
Laser optical unit
Discharge lamp
Developer unit
Scanner section
1 Is the main charger dirty?
2 Is the transfer belt dirty?
3 Is the transfer belt in proper contact
with the drum?
4 Is there any abnormalities or defor-
mation on the belt?
5 Is there foreign matter or dust on the
slit glass?
6 Is the discharge lamp dirty?
7 Has any LED of discharge lamp gone
out?
8 Is the magnetic brush in proper
contact with the drum?
9 Is the developer unit pressure
mechanism malfunctioning?
10 Is the transport of developer material
poor?
11 a. Is the platen cover open?
b. Are original glass, mirrors, or lens
dirty?
Clean it or replace the charger wire.
Clean the belt.
Correct it.
Replace the belt.
Clean the slit glass.
Clean it.
Replace it.
Adjust the doctor-sleeve gap.
Check the mechanism.
Remove foreign matter if any.
a. Close the platen cover.
b. Clean them.
(18) Uneven image density
Feeding direction