SC3xx: Image Processing
D0CA/D0C9/D0C8/D0CB 6-24 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC325-00 D Development Motor (CMY) Error
Each lock signal is observed at 100ms intervals during motor ON, and the
high level is detected 20 times consecutively.
• Defective Development Motor (CMY) (M9)
• Disconnected harness for the motor
• Defective BiCU (PCB1)
• Development unit torque increased
Check if the SC occurs by turning the power OFF then ON. If the SC occurs
again, do the following steps. Check if the SC reoccurs by cycling the power
after each step.
1. Replace the Development Motor (CMY) (M9).
2. Reconnect the connector.
3. Replace the harness.
4. Replace the BiCU (PCB1).
5. Replace the PCDU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC325-01 D Development Motor (CMY) Error: When Motor is Deactivated
Each lock signal is observed at 100ms intervals during motor OFF (including
the period between turning the main power ON and the motor ON), and the
low level is detected 20 times consecutively.
• Defective Development Motor (CMY) (M9)
• Disconnected harness for the motor
• Defective BiCU (PCB1)
Check if the SC occurs by turning the power OFF then ON. If the SC occurs
again, do the following steps. Check if the SC reoccurs by cycling the power
after each step.
1. Replace the Development Motor (CMY) (M9).
2. Replace the harness for the Development Motor (CMY) (M9).
3. Replace the BiCU (PCB1).
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