SC5xx: Paper Feed and Fusing
SM 6-37 D0CA/D0C9/D0C8/D0CB
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC524-01 D Paper Transport Motor (M12) Error (While the motor is OFF)
When the motor is OFF, the each lock signal is checked every 100msec. This
SC occurs if the LOW status is detected for 20 times consecutively.
• Defective Paper Transport Motor (M12)
• Disconnected or defective connectors of the Paper Transport Motor
(M12)
• Defective BiCU (PCB1)
1. Replace the Paper Transport Motor (M12).
2. Replace the harness for the Paper Transport Motor (M12).
3. Replace the BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC525-00 B Optional PFU 1 Paper Transport Motor (M1) Error (2nd Tray)
SC526-00 B Optional PFU 2 Paper Transport Motor (M1) Error (3rd Tray)
SC527-00 B Optional PFU 3 Paper Transport Motor (M1) Error (4th Tray)
The motor LOCK signal from the optional PFU is detected while the motor is
ON.
• Motor overload
• Defective motor
• Disconnected connectors
• Damaged harness
Do the following steps. Check if the SC reoccurs by cycling the power after
each step.
1. Reconnect the connector.
2. Replace the harness.
3. Replace the Paper Transport Motor (M1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC530-00 D Fusing Unit Cooling Fan (FAN1) Error
SC530-02 D Paper Exit Exhaust Fan (FAN5) Error *IM C400SRF only
SC531-00 D PCDU Cooling Fan (FAN3) Error
SC532-00 D LD Unit Cooling Fan (FAN2) Error
SC533-00 D PSU Exhaust Fan (FAN4) Error
This SC occurs if the error count reaches 3 in the following conditions:
• When each motor is ON, its lock signal is checked every 100 ms.
• If a defective lock signal is detected 50 times consecutively, the error
count increases by 1. If a normal lock signal is detected 50 times