• Code: C38
• Description: Auto-toner error (K)
• Remedy: Is the harness between the LGC board and the EPU drawer connector open-circuited? Is any harness inside the EPU or the auto-toner sensor harness open-circuited? Is the auto-toner sensor connector or the connector J120 on the LGC board disconnected? Y: Reconnect the connector. Replace the harness. N: 1. Replace the auto-toner sensor. 2. Replace the LGC board.

• Code: C39
• Description: Auto-toner error (C)
• Remedy: Is the harness between the LGC board and the EPU drawer connector open-circuited? Is any harness inside the EPU or the auto-toner sensor harness open-circuited? Is the auto-toner sensor connector or the connector J120 on the LGC board disconnected? Y: Reconnect the connector. Replace the harness. N: 1. Replace the auto-toner sensor. 2. Replace the LGC board.

• Code: C3A
• Description: Auto-toner error (M)
• Remedy: Is the harness between the LGC board and the EPU drawer connector open-circuited? Is any harness inside the EPU or the auto-toner sensor harness open-circuited? Is the auto-toner sensor connector or the connector J120 on the LGC board disconnected? Y: Reconnect the connector. Replace the harness. N: 1. Replace the auto-toner sensor. 2. Replace the LGC board.

• Code: C3B
• Description: Auto-toner error (Y)
• Remedy: Is the harness between the LGC board and the EPU drawer connector open-circuited? Is any harness inside the EPU or the auto-toner sensor harness open-circuited? Is the auto-toner sensor connector or the connector J120 on the LGC board disconnected? Y: Reconnect the connector. Replace the harness. N: 1. Replace the auto-toner sensor. 2. Replace the LGC board.

• Code: C3C
• Description: Main charger wire cleaning abnormal (K)
• Remedy: Is the harness between the LGC board and the EPU drawer connector or any harness inside the EPU open-circuited? Is the wire cleaner drive motor connector, the connector J120 on the LGC board, the connector of the wire cleaner home position switch, or the connector of the wire cleaner limit switch disconnected? Has the wire cleaner home position switch or the wire cleaner limit switch defectively installed or come off? Y: 1. Reconnect the connector. Replace the harness. 2. Reinstall the wire cleaner home position switch or the wire cleaner limit switch securely. N: Is the main charger securely installed? N: Reinstall the main charger. Y: Is the mechanical load too heavy? Y: 1. Check if the cleaning pad is in normal contact with the main charger wire. 2. Eliminate any foreign matter present in the drive system. 3. Check if any movable component is abnormally worn. 4. Clean the wire cleaner drive auger and remove stains or foreign matters. 5. Clean the slidable surface of the charger case and remove stains or foreign matters. N: 1. Replace the wire cleaner home position switch or the wire cleaner limit switch. 2. Replace the wire cleaner drive motor. 3. Replace the LGC board.

• Code: C3D
• Description: Main charger wire cleaning abnormal (C)
• Remedy: Is the harness between the LGC board and the EPU drawer connector or any harness inside the EPU open-circuited? Is the wire cleaner drive motor connector, the connector J120 on the LGC board, the connector of the wire cleaner home position switch, or the connector of the wire cleaner limit switch disconnected? Has the wire cleaner home position switch or the wire cleaner limit switch defectively installed or come off? Y: 1. Reconnect the connector. Replace the harness. 2. Reinstall the wire cleaner home position switch or the wire cleaner limit switch securely. N: Is the main charger securely installed? N: Reinstall the main charger. Y: Is the mechanical load too heavy? Y: 1. Check if the cleaning pad is in normal contact with the main charger wire. 2. Eliminate any foreign matter present in the drive system. 3. Check if any movable component is abnormally worn. 4. Clean the wire cleaner drive auger and remove stains or foreign matters. 5. Clean the slidable surface of the charger case and remove stains or foreign matters. N: 1. Replace the wire cleaner home position switch or the wire cleaner limit switch. 2. Replace the wire cleaner drive motor. 3. Replace the LGC board.

• Code: C3E
• Description: Main charger wire cleaning abnormal (M)
• Remedy: Is the harness between the LGC board and the EPU drawer connector or any harness inside the EPU open-circuited? Is the wire cleaner drive motor connector, the connector J120 on the LGC board, the connector of the wire cleaner home position switch, or the connector of the wire cleaner limit switch disconnected? Has the wire cleaner home position switch or the wire cleaner limit switch defectively installed or come off? Y: 1. Reconnect the connector. Replace the harness. 2. Reinstall the wire cleaner home position switch or the wire cleaner limit switch securely. N: Is the main charger securely installed? N: Reinstall the main charger. Y: Is the mechanical load too heavy? Y: 1. Check if the cleaning pad is in normal contact with the main charger wire. 2. Eliminate any foreign matter present in the drive system. 3. Check if any movable component is abnormally worn. 4. Clean the wire cleaner drive auger and remove stains or foreign matters. 5. Clean the slidable surface of the charger case and remove stains or foreign matters. N: 1. Replace the wire cleaner home position switch or the wire cleaner limit switch. 2. Replace the wire cleaner drive motor. 3. Replace the LGC board.

• Code: C3F
• Description: Main charger wire cleaning abnormal (Y)
• Remedy: Is the harness between the LGC board and the EPU drawer connector or any harness inside the EPU open-circuited? Is the wire cleaner drive motor connector, the connector J120 on the LGC board, the connector of the wire cleaner home position switch, or the connector of the wire cleaner limit switch disconnected? Has the wire cleaner home position switch or the wire cleaner limit switch defectively installed or come off? Y: 1. Reconnect the connector. Replace the harness. 2. Reinstall the wire cleaner home position switch or the wire cleaner limit switch securely. N: Is the main charger securely installed? N: Reinstall the main charger. Y: Is the mechanical load too heavy? Y: 1. Check if the cleaning pad is in normal contact with the main charger wire. 2. Eliminate any foreign matter present in the drive system. 3. Check if any movable component is abnormally worn. 4. Clean the wire cleaner drive auger and remove stains or foreign matters. 5. Clean the slidable surface of the charger case and remove stains or foreign matters. N: 1. Replace the wire cleaner home position switch or the wire cleaner limit switch. 2. Replace the wire cleaner drive motor. 3. Replace the LGC board.