Service Call 312-396; Sc300 (Engine: Charge, Development) - Ricoh MP C3004 Field Service Manual

6. Troubleshooting

Service Call 312-396

SC300 (Engine: Charge, Development)

SC No. Type
SC312-01 D
SC312-02 D
SC312-03 D
SC312-04 D
878
Error Name/Error Condition/Major Cause/Solution
Charge Roller HVP_CB Output Error (K)
Charge Roller HVP_CB Output Error (C)
Charge Roller HVP_CB Output Error (M)
Charge Roller HVP_CB Output Error (Y)
Charging AC is set to ON at the standard speed, and the FB voltage of the
charging AC of each color is monitored for 200 ms at 20ms intervals (10 times)
after 80ms of charge AC_ON, and below 0.3V is detected continuously for
200ms (10 times), the SC of the corresponding color lights up, and machine
operation is suspended.
• High voltage harness defective or shorted.
• PCU setting fault or damage
• HVP_CB fault
• Connector disconnected
• Harness broken