Black Banding (At Right Angle With The Feeding Direction) - Toshiba e-STUDIO556 Service Manual

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8.4.13

Black banding (at right angle with the feeding direction)

Defective area
Fuser unit
High-voltage transformer
(Main charger / Developer
bias / Transfer charger)
Drum
Scanner
e-STUDIO556/656/756/856(Ver03)
ERROR CODE AND TROUBLESHOOTING
Fig. 8-13
Step
Check items
1
Is the fuser roller dirty?
2
Has the cleaning roller, pressure
roller, fuser roller and separation
finger for fuser roller reached their
PM life?
3
Is the high-voltage transformer
output defective?
4
Is there a deep scratch on the drum
surface?
5
Is there a foreign matter on the
carriage rail?
8 - 232
Prescription
Clean them.
Replace them.
Replace the transformer.
Replace the drum if the scratch has
reached the aluminum base.
Remove the foreign matter.
© 2012 TOSHIBA TEC CORPORATION All rights reserved

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