e-STUDIO163/203 TROUBLESHOOTING December 2005 © TOSHIBA TEC
5 - 28
10)White banding (at right angle with the feeding direction)
Fig. 5-10
Defective area Step Check items Prescription
Main charger 1 Is there a foreign matter on the
charger?
Remove the foreign matter.
2 Is the connector in proper contact
with the terminal?
Clean or adjust the terminal.
Drum 3 Is there any abnormality on the drum
surface?
Replace the drum.
Discharge LED 4 Does the discharge LED light nor-
mally?
Replace the discharge LED or check
the harness and the circuit.
Developer unit 5 Is the developer sleeve rotating nor-
mally?
Is there any abnormality on the
sleeve surface?
Check the drive system of the devel-
oper unit, or clean the sleeve sur-
face.
Drive system 6 Are the drum and scanner jittering? Check each drive system.
High-voltage transformer
(Main charger / Developer
bias / Transfer charger)
7 Is the high-voltage transformer out-
put defective?
Adjust the output, or replace the
transformer.
Transfer charger 8 Is any foreign matter such as paper
shred sticking to the transfer charger
wire?
Remove the foreign matter from the
wire.
Feed system 9 Is the aligning amount proper? Adjust the aligning amount.
Feeding direction
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