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e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A
ERROR CODE AND TROUBLESHOOTING
8 - 333
8.4.13
Black banding (at right angle with the feeding direction)
Fig.8-16
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