Toshiba E-STUDIO3508A - 8.4.13 Black banding (at right angle with the feeding direction)

To Next Page

To Previous Page

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

Other manuals for Toshiba E-STUDIO3508A