Appendix: Electrical Component Defects; Electrical Component Defects; Sensors; M065/ M066 - Ricoh M065 Service Manual

7. APPENDIX: ELECTRICAL COMPONENT
DEFECTS

7.1 ELECTRICAL COMPONENT DEFECTS

7.1.1 SENSORS

M065/ M066

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)
SM Appendix
CN No./
Active
Pin No.
Open
H CN108/2
Shorted
Open
H CN107/2
Shorted
CN115/18
Open
CN115/21
L
CN115/24
Shorted
CN115/27
Open
L CN128/21
Shorted
Open
L CN128/8
Shorted
CN108/19 Open
CN109/17
A
CN108/8
Shorted
CN109/25
7-1
Electrical Component Defects
Condition Symptom
SC381
SC380
Toner end cannot be
detected.
Toner end is
detected.
SC442
SC452
SC372 (K)
SC373 (M)
SC374 (C)
SC375 (Y)
M065/M066