White Banding (At Right Angle With The Feeding Direction) - Toshiba e-STUDIO206L Service Manual

8.4.10

White banding (at right angle with the feeding direction)

Defective area
Main charger
Drum
Discharge LED
Developer unit
Drive system
High-voltage transformer
(Main charger / Developer
bias / Transfer roller unit)
Transfer roller unit
Feed system
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
ERROR CODE AND TROUBLESHOOTING
Fig.8-12
Step Check items
1 Is there a foreign matter on the
charger?
2 Is the connector in proper contact
with the terminal?
3 Is there any abnormality on the drum
surface?
4 Does the discharge LED light
normally?
5 Is the developer sleeve rotating
normally?
Is there any abnormality on the
sleeve surface?
6 Are the drum and scanner jittering?
7 Is the high-voltage transformer
output defective?
8 Is there any foreign matter adhering
to the transfer roller? Is there any
abnormality in the appearance of the
roller? Has the number of output
pages exceeded the threshold for the
life of the transfer roller?
9 Is the aligning amount proper?
8 - 302
Prescription
Remove the foreign matter.
Clean or adjust the terminal.
Replace the drum.
Replace the discharge LED or check
the harness and the circuit.
Check the drive system of the
developer unit, or clean the sleeve
surface.
Check each drive system.
Adjust the output, or replace the
transformer.
Remove the foreign matter from the
roller surface. Replace the roller if
there is any abnormality in its
appearance. Also replace the roller if
the number of output pages has
exceeded the threshold of its life.
Adjust the aligning amount.
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