Toner Density Too High - Ricoh FT5535 Service Manual

1.11 TONER DENSITY TOO HIGH

- Problem -
1. Dirty background appears on the copy.
2. The image density of black solid areas is too high.
- Possible Causes -
1. The toner supply clutch keeps turning continuously.
2. The copier entered fixed toner supply mode due to an abnormal sensor
condition.
3. The main control board is defective.
4. The V pattern development bias is too high.
SP
5. The drum charge voltage for making V
- Action -
Check the values of V
respectively
Clean the ID sensor and around the drum including the development unit.
Adjust the ID sensor with SP3-001.
Can the ID sensor be adjusted correctly?
Yes No
Refer to the section dealing with SC351.
Enter SP3-103-001 (displays the value of V
until V becomes about 0.4 V.
SP
A156/A160/A162
CÓPIA NÃO CONTROLADA
SP
and V with SP3-103-001 and SP3-103-002
SP SG
6-16
CÓPIA NÃO CONTROLADA
patterns is too low.
) and make sky-shot copies
SP
FSM