Ricoh G-P3 Service Manual page 135

4. Troubleshooting
Sensor Name/
No.
Sensor Board Name
26 Fusing Set Sensor
27 Top Cover Sensor
4
28 LDU Shutter Sensor
29 Registration Sensor
30 Paper Width Sensor
Paper Height Sensor
31
1/2
32 Paper End Sensor
134
CN No./
Active
Pin No.
L CN209/3
L CN209/4
H CN208/2
H CN207/17
L CN207/14
H CN207/11
CN207/5
H
CN207/8
H CN2072
Condition Symptom
Shorted
Open
"Reset Fusing Unit
correctly" is displayed.
Shorted
"Close Top Cover" is
Open
displayed.
Top cover open cannot
Shorted
be detected.
Open
SC270
Shorted
Open
Paper Jam A
Shorted
Always, small paper is
Open detected, causing slow
printing.
Small paper size is not
Shorted
detected.
Open Remaining paper volume
is wrong on Web Image
Shorted
Monitor.
Paper end is detected
Open even if paper is placed in
the paper tray.
Paper end is not detected
even if there is no paper
Shorted
in the paper tray, causing
a paper jam.