Vertical White Lines Or Bands-2 (Thin, Distinct) - Ricoh FT5535 Service Manual

1.8 VERTICAL WHITE LINES OR BANDS—2 (THIN, DISTINCT)
- Problem -
Vertical white lines appear on the copy.
- Possible Causes -
1. Dirty or deteriorated drum charge roller
2. Paper dust on the edge of the cleaning blade
3. Scratched drum
4. Scratched hot roller
- Action -
Is the drum charge roller dirty?
No Yes
Clean the drum charge roller with a dry cloth.
Press the cleaning blade release lever several times. Make a copy and if
white lines still appear, go to the next step.
Make a copy and stop the machine when the paper reaches the transport
section. Do white lines appear on the copy?
No Yes
Replace the drum if it is scratched.
Replace the hot roller if it is scratched.
NOTE: If the drum is scratched, find out what caused the scratches on the
drum and correct the problem. It could be any of the following.
Paper misfeed
•
Incorrect positioning of the pick-off pawls
•
Foreign substances on the cleaning blade
•
Carrier leakage
•
FSM
CÓPIA NÃO CONTROLADA
6-13
CÓPIA NÃO CONTROLADA
A156/A160/A162