Ricoh G-P3 Service Manual page 107

4. Troubleshooting
SC
[Level]
movement of actuator at the
sensor while the motor rotates.
High Voltage Power 1: High voltage output error
4
490
Error signal is detected 10
[D]
times consecutively.
High Voltage Power 2: High voltage output error
491
Error signal is detected for 10
[D]
times consecutively.
Paper feed / Fusing motor error
531
• LOCK signal is not
[D]
106
Symptom
detected for more than
Possible Cause/Required Action
• Defective IOB
1. Replace the transfer roller contact sensor.
2. Replace the transfer roller contact motor.
3. Replace the IOB.
• One of the DC bias outputs for each PCU is shorted
or one of the transfer belt bias outputs for [Y], [M]
and [C].
• Power leaking
• Defective connection
• Disconnected cable
• Defective PCU
• Defective High Voltage Power 1
1. Replace the High Voltage Power 1.
2. Reset the cables and components.
3. Replace the PCU.
• One of the separation bias output, development
bias output and transfer belt cleaning bias output is
shorted or one of the transfer belt bias output for [K]
and transfer roller bias output is shorted.
• Power leaking
• Defective connection
• Defective PCU
• Defective High Voltage Power 2
1. Replace the High Voltage Power 2.
2. Reset the cables and components.
3. Replace the PCU.
• Defective paper feed/ fusing motor