Ricoh FT5535 Service Manual page 252

E191: Auto ID sensor adjustment error (at the 1K copies process
control)
- Definition - [D]
1. ADS sensor output is lower than the 2.7 V target at the maximum gain for
the sensor.
2. ADS sensor output is higher than the 2.7 V target at the minimum gain for
the sensor.
- Possible Causes -
•
ADS sensor board defective
•
ADS sensor board poorly connected
•
Main control board defective
E302: Drum charge roller current leak
- Definition - [B]
A charge current leak signal is detected.
- Possible Causes -
•
Drum charge roller unit defective
•
CB high voltage supply board defective
E346: Development bias leak
- Definition - [B]
A development bias leak signal is detected.
- Possible Causes -
•
Sleeve roller receptacle damage
•
CB high voltage supply board defective
E351: ID sensor adjustment error
- Definition - [D]
When the ID sensor output (V
(3.8 ~ 4.2 V) during the process control self check.
- Possible Causes -
•
ID sensor board defective
•
Dirty ID sensor
•
Main control board defective
FSM
CÓPIA NÃO CONTROLADA
) falls out of the adjustment target
SG
6-33
CÓPIA NÃO CONTROLADA
A156/A160/A162