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February 2002 © TOSHIBA TEC 4 - 77 FC-210/310 TROUBLESHOOTING
1 Is there foreign matter or dust on the
slit glass?
2 Is there foreign matter on the charger
grid?
3 Is there foreign matter inside the
doctor blade?
4 Is there foreign matter on the drum
seal?
5 Is the drum seal of developer unit in
proper contact with the drum?
6 Is there any abnormalities on the
drum surface?
7 Does the toner image touch foreign
matter after transfer, before entering
the fuser unit?
8 Has any LED of discharge lamp gone
out?
9 Is there foreign matter or dust in the
optical path
Cause/Section
Step
Check items Measures
Laser optical unit
Main charger grid
Developer unit
Drum
Transport path
Discharge lamp
Scanner
Clean the slit glass.
Remove foreign matter.
Remove foreign matter.
Remove foreign matter.
Modify the position of drum seal or replace it.
Replace the drum.
Remove foreign matter.
Replace the discharge lamp.
Clean the lens and mirrors.
(11) White banding (in feeding direction)
Feeding direction