Ricoh Aficio MP201SPF Service Manual page 222

Electrical Component Defects
6.2 ELECTRICAL COMPONENT DEFECTS
6.2.1 SENSOR/SWITCH
Sensor
Registration
Sensor
Paper End Sensor
Bypass Paper
End Sensor
Paper Path
Sensor
Exit Sensor
Image Density
(ID) Sensor
Toner Density
(TD) Sensor
Scanner HP
Sensor
Platen Cover
Sensor
D115/D116
Connector Message
CN127
Paper jam
SN
CN129
Load paper
SN
CN130
(None)
SN
CN128
Paper jam
SN
CN128
Paper jam
SN
CN132
(None)
SN
CN123 SC901
PCU Reset PCU correctly
CN126 SC120
SN SC120
CN126 SC120
SN (None)
-
-
The machine cannot detect
paper on the bypass tray.
-
-
Print quality may become
worse.
The connector is shared with
the mechanical total counter.
-
-
-
-
The copier does not warm up
when you open the platen
cover.
6-34
Remarks
SM