Ricoh MP C307 Field Service Manual page 444

SC5xx: Paper Feed and Fusing
No. Type
3.
Fusing
No. Type
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.
•
•
•
1.
2.
3.
No. Type
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.
•
•
•
1.
2.
3.
No. Type
SC540-00 D
438
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Replace the transport motor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective fan motor
Disconnected harness
Defective BiCU
Replace the fan motor.
Replace the harness.
Replace the BiCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective fan motor
Disconnected or defective harness
Defective BiCU
Replace the fan motor.
Check or replace the harness.
Replace the BiCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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