Ricoh MP C407 - Page 444

SC5xx: Paper Feed and Fusing
438
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
3. Replace the transport motor.
Fusing
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC530-00 D Fusing heater exhaust fan motor error
SC531-00 D Development cooling fan motor error
SC532-00 D Writing cooling fan motor error
SC533-00 D PSU fan motor error
The motor LOCK signal is detected 50 consecutive times (for 5 seconds) while the motor is
ON.
• Defective fan motor
• Disconnected harness
• Defective BiCU
1. Replace the fan motor.
2. Replace the harness.
3. Replace the BiCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC530-01 D Fusing heater exhaust fan motor error (While the motor is OFF)
SC531-01 D Development cooling fan motor error (While the motor is OFF)
SC532-01 D Writing cooling fan motor error (While the motor is OFF)
SC533-01 D PSU fan motor error (While the motor is OFF)
The motor LOCK signal is not detected 140 consecutive times (for 14 seconds) while the
motor is OFF.
• Defective fan motor
• Disconnected or defective harness
• Defective BiCU
1. Replace the fan motor.
2. Check or replace the harness.
3. Replace the BiCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC540-00 D Fusing motor error
The motor LOCK signal is detected for 2 seconds while the motor is ON.
• Defective motor
• Disconnected or defective harness
• Defective BiCU
• Fusing unit torque increased