Ricoh G133 - Page 313

Electrical Component Defects
SM 4-97 G133
Trouble-
shooting
4.6 ELECTRICAL COMPONENT DEFECTS
4.6.1 SENSORS
 The CN numbers in the following table are the connector numbers on the IOB.
No.
Sensor Name/
Sensor Board Name
Active CN Condition Symptom
Open
"Open Cover" is
displayed
S13 Duplex Door L CN215/B9
Shorted
"Open cover" cannot be
detected.
ID Sensor (K, M, C,
Y)
A CN239
Open/
Shrted
SC285
S44
ID Sensor (Front,
Center, Rear)
A
CN107 on
EGB
Open/
Shorted
SC400
Open Jam A (Jam8, 17)
S17 Registration Sensor L CN209/A2
Shorted Jam A, B (Jam1)
S35
Drum Gear Position
Sensor-K
H CN244/10
Open/
Shorted
SC380/SC396
S36
Drum Gear Position
Sensor-M
H CN244/13
Open/
Shorted
SC380/SC397
S37
Drum Gear Position
Sensor-C
H CN244/16
Open/
Shorted
SC380/SC398
S38
Drum Gear Position
Sensor-Y
H CN244/19
Open/
Shorted
SC380/SC399
Open SC294/295
S1
Shutter Positioning
Sensor - Open
H CN266/4
Shorted SC293