Toshiba e-studio200l Service Handbook page 558

9) White banding (in the feeding direction)
Defective area
Laser optical unit
Main charger grid
Transfer charger wire
Developer unit
Drum
Transport path
Discharge LED
Scanner
Cleaner
e-STUDIO200L/202L/203L/230/230L/232/233/280/282/283
TROUBLESHOOTING
Fig. 5-9
Step Check items
1 Is there a foreign matter or stain on
the slit glass?
2 Is there a foreign matter or dew on
the charger grid?
3 Is there any foreign matter or stain on
the transfer charger wire?
4 Is the developer material transported
properly?
5 Is there a foreign matter or dew on
the drum seal?
6 Is the upper drum seal of the devel-
oper unit in contact with the drum?
7 Is there a foreign matter on the drum
surface?
8 Does the toner image contact with
any foreign matter before the paper
enters the fusing section after the
separation?
9 Is any of the discharge LEDS off?
10 Is there a foreign matter on the light
path?
11 Are the original glass (especially the
position of shading correction plate)
mirror and lens dirty?
12 Is there any foreign matter, which
contacts the drum on the cleaner
stay?
5 - 104
Prescription
Remove the foreign matter or stain.
Remove the foreign matter.
Clean the transfer charger wire.
Remove the foreign matter if there is
any.
Remove the foreign matter or dew.
Correct the position of the drum seal
or replace it.
Replace the drum.
Remove the foreign matter.
Replace the discharge LED.
Remove the foreign matter.
Clean them.
Remove the foreign matter.
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