Vertical White Lines Or Bands-2 (Thin, Distinct) - Ricoh A151 Field Service Manual

1.7 VERTICAL WHITE LINES OR BANDS—2 (THIN, DISTINCT)
- Problem -
Vertical white lines appear on the copy.
- Possible Causes -
1. Paper dust on the edge of the cleaning blade
2. Scratched drum
3. Scratched hot roller
- Action -
Press the cleaning blade release lever down 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.
Paper misfeed
•
Incorrect positioning of the pick-off pawls
•
Foreign substances on the cleaning blade
•
Carrier leakage
•
When replacing the drum, perform the drum initial setting using SP66.
FSM 6-11 A151/A152