Sensors - Ricoh D037 Service Manual

8. APPENDIX: ELECTRICAL COMPONENT
DEFECTS
8.1 ELECTRICAL COMPONENT DEFECTS

8.1.1 SENSORS

The CN numbers in the following table are the connector numbers on the IOB.
Sensor Name/
No.
Sensor Board Name
Duplex Unit Open
SW4
Switch
ID Sensor: Front
Sxx
ID Sensor: Center
ID Sensor: Rear
ID Sensor Shutter
Sxx
Sensor
Sxx Registration Sensor
Drum Phase Sensor:
Sxx
K
Sxx Drum Phase Sensor:
SM Appendix
Active CN Condition
Open
L CN232/2
Shorted
Open/
A CN214/8, 9
Shorted
Open/
A CN214/6, 7
Shorted
Open/
A CN214/2, 3
Shorted
Open/
H CN232/4
Shorted
Open
L CN214/11
Shorted
Open/
H CN220/2
Shorted
H CN220/17 Open/
8-1
Electrical Component Defects
Symptom
"Open Cover" is
displayed.
"Open cover" cannot be
detected.
SC258/ SC400
SC258/ SC400
SC258/ SC400
SC400
Jam A2 (Jam17)
Jam B (Jam57)
SC380/SC396
SC381/SC397
D037/D038/D040/D041