Ricoh G-P3 Service Manual page 105

4. Troubleshooting
SC
[Level]
TD sensor: Initial adjustment error [M]
Vt is not (A ±0.2) when initial
373
setting for TD sensor is
[D]
executed.
A = SP 3011 2 for [M]
TD sensor: Initial adjustment error [C]: same as 372
Vt is not (A ±0.2) when initial
4
374
setting for TD sensor is
[D]
executed.
A = SP 3011 3 for [C]
TD sensor: Initial adjustment error [Y]: same as 372
Vt is not (A ±0.2) when initial
375
setting for TD sensor is
[D]
executed.
A = SP 3011 4 for [Y]
Drum gear position sensor error
380 When receiving the input
signal of drum gear position
[C]
sensor is not correctly done,
SC380 is logged.
Drum motor error [K]
The LOCK signal is not
396
detected for 2 seconds more
[D]
while the start signal of the
drum motor for black PCU is
output.
Drum motor error [CMY]
397
The LOCK signal is not
[D]
detected for 2 seconds more
104
Symptom
Same as 372
Same as 372
Same as 372
• Dirty or defective drum gear position sensor
1. Clean the drum gear position sensor.
2. Replace the drive unit.
• OPC motor slip due to the excessive load
1. Clean the PCU.
2. Check the cable from the Black OPC/ Development
3. Replace the EGB.
4. Replace the Black OPC/Development motor.
Same as SC 396
Possible Cause/Required Action
motor. Replace it if necessary.