Ricoh D072 Service Manual page 304

4. APPENDIX: ELECTRICAL COMPONENT
DEFECTS
4.1 ELECTRICAL COMPONENT DEFECTS
4.1.1 SENSOR/SWITCH
Sensor Connector
CN127
Registration
Sensor
CN129
Paper End Sensor
CN130
Bypass Paper
End Sensor
CN128
Paper Path
Sensor
CN128
Exit Sensor
CN132
Image Density
(ID) Sensor
CN123
Toner Density
(TD) Sensor
CN126
Scanner HP
Sensor
SM Appendix
Message
Paper jam
SN
Load paper
SN
(None)
SN
Paper jam
SN
Paper jam
SN
(None)
SN
SC901
PCU Reset PCU correctly -
SC120
SN SC120
4-1
Electrical Component Defects
Remarks
-
-
The machine cannot detect
paper on the bypass tray.
-
-
Print quality may become
worse.
The connector is shared with
the mechanical total counter.
-
-
D067/D068/D069/D072