Ricoh D0C8, Service Manual

Page: 612 / 1647

SC5xx: Paper Feed and Fusing
D0CA/D0C9/D0C8/D0CB 6-38 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
consecutively, the error count is reset
• Defective each fan
• Disconnected harness
• Loose connection
• Defective BiCU (PCB1)
1.
Replace the fan.
2.
Reconnect the fan connector.
3.
Replace the harness.
4.
Replace the BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC540-00 D Fusing Motor (M13) Error
When the Fusing Motor (M13) is ON, each lock signal is checked every 100
ms. This SC occurs if HIGH status is detected 20 times consecutively.
•
Defective Fusing Motor (M13)
•
Loose connection
•
Disconnected or defective harness
•
Defective BiCU (PCB1)
•
Fusing unit torque increased
1.
Replace the Fusing Motor (M13).
2.
Reconnect the connector of the Fusing Motor (M13).
3.
Replace the harness of the Fusing Motor (M13).
4.
Replace the BiCU (PCB1).
5.
Replace the fusing unit.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC540-01 D
Fusing Motor (M13) Error (While the Motor is OFF)
When the Fusing Motor (M13) is OFF, the each lock signal is checked every
100msec. This SC occurs if the LOW status is detected for 20 times
consecutively.
• Defective Fusing Motor
• Defective harness
• Defective BiCU (PCB1)
1.
Replace the Fusing Motor (M13).
2.
Replace the harness of the Fusing Motor (M13).
3.
Replace the BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)