Vertical Black Bands - Ricoh FT5535 Service Manual

1.5 VERTICAL BLACK BANDS

- Problem -
Vertical black bands appear on the copy.
- Possible Causes -
1. Dirty optics
2. Dust between the cleaning blade and the drum
3. The edge of the cleaning blade is deformed
4. Dirty drum charge roller.
5. Deformed inlet seal on the development unit
- Action -
Do the black bands shift when a reduction copy is made?
No Yes
Check and clean the optics section (including the toner shield glass).
Press the blade release lever several times to clean the edge of the clean-
ing blade. If black bands still appear, go to the next step.
Is the edge of the cleaning blade deformed?
No Yes
Replace the cleaning blade.
Is the drum charge roller dirty ?
No Yes
Clean or replace the drum charge roller.
If the inlet seal on the development unit is deformed, replace the inlet seal
plate and the seal as a set.
A156/A160/A162
CÓPIA NÃO CONTROLADA
6-10
CÓPIA NÃO CONTROLADA
FSM