Remedy: Does the exposure lamp light? Y: 1. Check the CCD and SCM boards for any disconnected connector. 2. Check the shading correction plate of the original-width indicator unit if it is dusty. 3. Check the CCD board for any open- or short-circuited conductor pattern. 4. Check the SCM board for any open- or short-circuited conductor pattern. 5. Replace the SCM board. 6. Replace the lens unit. N: 1. Check if the lamp connector is disconnected. 2. Check the SCM board if any pin of connectors J7-1, -2 and -3 is disconnected or any harness is open- or short-circuited. 3. Check the SCM board for any open- or short-circuited conductor pattern. 4. Replace the SCM board. 5. Replace the inverter. 6. Replace the exposure lamp.
Code: C31
Description: Used toner transport motor rotation abnormal
Remedy: Is the harness between the LGC board and the used toner transport motor open-circuited? Is the connector J123 or J102 on the LGC board, the relay connector or the used toner transport motor connector disconnected? Y: Replace the harness. Reconnect the connector. N: Is used toner jammed? Is any abnormal mechanical load found? Y: 1. Remove the jammed used toner. 2. Check for any foreign matter in the drive system. 3. Check the bearing of the used toner transport auger for any abnormality. 4. Check if the toner bag is covered with used toner. N: 1. Replace the used toner transport motor. 2. Replace the LGC board.
Code: C33
Description: Developer removal shutter abnormal
Remedy: Reduce the mechanical load by adjusting the drive system. Remove any foreign matter. Is the connector J115 on the LGC board disconnected? Y: Reconnect the connector. N: Replace the LGC board.
Code: C35
Description: Transfer belt unit contact/release operation abnormal
Remedy: Reduce the mechanical load by adjusting the drive system. Remove any foreign matter. Is the harness between the LGC board and the transfer/transport unit drawer connector, or the harness inside the transfer/transport unit open-circuited? Is the transfer belt contact/release drive motor connector, LGC board connector J115 or J102, transfer belt home position switch connector, or transfer belt limit switch connector disconnected? Is the transfer belt home position switch or the transfer belt limit switch defectively installed? Y: 1. Replace the harness. Reconnect the connector. 2. Reinstall the transfer belt home position switch or the transfer belt limit switch securely. N: 1. Replace the transfer belt home position switch and the transfer belt limit switch. 2. Replace the transfer belt contact/release drive motor. 3. Replace the LGC board.
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.