Electrical Component Defects - Ricoh Z-P2 Field Service Manual

6. Troubleshooting

Electrical Component Defects

Sensors
Sensor Name/
No.
Sensor Board Name
Drum Phase Sensor
1
(CMY)
Drum Phase Sensor
2
(K)
Toner End Sensor (K)
Toner End Sensor (M)
3
Toner End Sensor (C)
Toner End Sensor (Y)
Transfer Belt Contact
4
Sensor
Paper Transfer Roller
5
Contact Sensor
TD Sensor (K)
TD Sensor (M)
6
TD Sensor (C)
TD Sensor (Y)
7 ITB Rotation Sensor
628
CN No./
Active
Pin No.
H CN108/2
H CN107/2
CN115/18
CN115/21
L
CN115/24
CN115/27
L CN128/21
L CN128/8
CN108/19
CN109/17
A
CN108/8
CN109/25
A CN128/18
Condition Symptom
Open
SC381
Shorted
Open
SC380
Shorted
Open Toner end cannot be
detected.
Shorted
Toner end is detected.
Open
SC442
Shorted
Open
SC452
Shorted
Open SC372 (K)
SC373 (M)
Shorted
SC374 (C)
SC375 (Y)
Open • Automatic line
position adjustment
Shorted
error: Transfer belt
unit speed cannot
be detected,
causing image
skew.
• SC285