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FC-210/310 TROUBLESHOOTING 4 - 78 February 2002 © TOSHIBA TEC
Cause/Section
Step
Check items Measures
Main charger
Drum
Discharge lamp
Developer unit
Drum and scanner
drive systems
High-voltage transformer
(main charger and
transfer roller)
1 Is there foreign matter on the charger?
2 Is terminal contact poor?
3 Is there any abnormalities on the
drum surface?
4 Is the discharge lamp lighting
properly?
5 Is the developer sleeve rotating
correctly? Is there any abnormalities
on the sleeve surface?
6 Is the drum or scanner jittery?
7 Is the high-voltage transformer output
defective?
Remove foreign matter.
Clean or adjust terminals.
Replace the drum.
Replace the discharge lamp or clean term-
inals.
Check the developer drive system, or clean
the sleeve surface.
Check each drive system.
Check/correct any electric leakage and
related circuits.
If the high-voltage transformer does not work,
replace it.
(12) White banding (at right angles to feeding direction)
Feeding direction