No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
460 D Separation power pack output error
An interrupt checks the status of the power pack every 20 ms. This SC is issued if
the BCU detects a short in the power pack 10 times at D (ac).
• Damaged insulation on the high-voltage supply cable
• Damaged insulation around the high-voltage power supply.
1. Replace the high-voltage supply cable.
2. Replace the high-voltage power supply unit.
3. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
491 D High voltage power: Drum/ development bias output error
An error signal is detected for 0.2 seconds when charging the drum unit.
• High voltage leak
• Broken harness
• Defective drum unit
• Defective HVPS-CB board
1. Check or replace the harness.
2. Replace the PCDU.
3. Replace the HVPS-CB board.
SC Tables
579
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