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FC-210/310 TROUBLESHOOTING 4 - 80 February 2002 © TOSHIBA TEC
Cause/Section
Step
Check items Measures
Scanner
Main charger
Cleaner
Fuser unit
Drum
Laser optical unit
1 Is there foreign matter in the optical
path?
2 Is there dust or stain on the shading
correction plate?
3 Is there foreign matter on the charger
grid?
4 Is the charger grid dirty or deformed?
5 Is there foreign matter on the main
charger?
6 Is the charger wire dirty or deformed?
7 Is there foreign matter inside the
charger case?
8 Is the inner surface of charger case
dirty?
9 Is there paper dust on the cleaning
blade edge?
10 Is the cleaning blade contact
improper?
11 Is toner recovery defective?
12 a. Is there dirt or scratches on the fuser
belt and lower heat roller surface?
b. Is the thermistor dirty?
13 Are there scratches on the drum
surface?
14 Is there foreign matter or dust on the
slit glass?
Clean the slit, lens and mirrors.
Clean the plate.
Remove foreign matter.
Clean or replace the charger grid.
Remove foreign matter.
Clean or replace the charger wire.
Remove foreign matter.
Clean inside.
Clean or replace the paper dust removal
brush for the registration roller.
Clean or replace the cleaning blade.
Correct it.
Clean the toner recovery auger section.
a. Clean or replace them.
b. Clean the thermistor.
Replace the drum.
Remove foreign matter or dust.
(14) Color banding (in feeding direction)
Feeding direction