Toshiba e-STUDIO255 - Black Banding (at Right Angle with the Feeding Direction)

6
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ERROR CODE AND TROUBLESHOOTING
6 - 133
6.4.13 Black banding (at right angle with the feeding direction)
Fig. 6-14
Defective area Step Check items Prescription
Main charger 1 Is the needle electrode dirty or
deformed?
Clean or replace the needle
electrode.
Fuser unit 2 Are the fuser roller, separation finger
for fuser roller and thermistor dirty?
Clean them.
3 Has the fuser roller and separation
finger for fuser roller reached their
PM life?
Replace them.
High-voltage transformer
(Main charger / Developer
bias / Transfer roller unit)
4 Is the high-voltage transformer
output defective?
Adjust the output, or replace the
transformer.
Drum 5 Is there a deep scratch on the drum
surface?
Replace the drum if the scratch has
reached the aluminum base.
6 Is there thin scratch (drum pitting) on
the drum surface?
Check and adjust the contact
condition of the cleaning blade and
recovery blade.
Scanner 7 Is there a foreign matter on the
carriage rail?
Remove the foreign matter.
Feeding direction