Description: Punching device power supply abnormality
Remedy: Download the latest version of the PNC board (HP) firmware again and then check its operation. NO Replace the hole punch control PC board (HP).
Code: CC74
Description: Punch unit transport pulse abnormality
Remedy: Download the latest version of the PNC board (HP) firmware again and then check its operation. NO Replace the hole punch control PC board (HP).
Code: CC80
Description: Rear alignment motor abnormality: The rear alignment motor is not rotating or the rear alignment plate is not moving normally. [MJ-1103/1104]
Remedy: MJ-1103/1104 Is there any mechanical problem when the rear alignment plate is moved? YES Fix the mechanism. NO Is the harness between the rear alignment motor (M10) and the finisher control PC board (CN10) disconnected or open circuited? l YES • Reconnect the connector securely. • Replace the harness. NO 1. Replace the rear alignment motor (M10). 2. Replace the finisher control PC board.
Remedy: (1) Check if there is any abnormality on the connector between the equipment and the EPU tray of the process unit. (05-2788) (2) Check if the sub-hopper tone sensor is working normally. K: 03-[FAX]ON/[0]/[C], C: 03-[FAX]ON/[0]/[F], M: 03-[FAX]ON/[9]/[A], Y: 03-[FAX]ON/[9]/[D] (3) If it is not working normally, check if the harness of the sub-hopper toner sensor is disconnected. (4) Check if the connectors (CN558, CN551) on the EPU board are securely connected. (5) Check if the conductor pattern on the EPU board or the harness is open circuited or short circuited. (6) Replace the sub-hopper toner sensor. (7) Replace the EPU board. (8) Replace the LGC board.
Remedy: (1) Check if there is any abnormality on the connector between the equipment and the EPU tray of the process unit. (05-2788) (2) Check if the sub-hopper toner motor is rotating. (Input check: 03-[FAX]OFF/[4]/[D/E/F/G]) (3) Is the sub-hopper toner supply motor locked? (Is there any foreign matter or toner-clump in the sub-hopper? (4) Check if the connector of the sub-hopper toner motor is disconnected. (5) Check if the connectors on the EPU board (CN553, 554, 555, and 556) are disconnected, or the harness is open circuited or short circuited. (6) Replace the sub-hopper toner motor. (7) Replace the EPU board. (8) Replace the LGC board.
Remedy: (1) Check if there is any abnormality on the connector between the equipment and the EPU tray of the process unit. (05-2788) (2) Check if the sub-hopper toner motor is rotating. (Input check: 03-[FAX]OFF/[4]/[D/E/F/G]) (3) Is the sub-hopper toner supply motor locked? (Is there any foreign matter or toner-clump in the sub-hopper? (4) Check if the connector of the sub-hopper toner motor is disconnected. (5) Check if the connectors on the EPU board (CN553, 554, 555, and 556) are disconnected, or the harness is open circuited or short circuited. (6) Replace the sub-hopper toner motor. (7) Replace the EPU board. (8) Replace the LGC board.
Remedy: (1) Check if there is any abnormality on the connector between the equipment and the EPU tray of the process unit. (05-2788) (2) Check if the sub-hopper toner motor is rotating. (Input check: 03-[FAX]OFF/[4]/[D/E/F/G]) (3) Is the sub-hopper toner supply motor locked? (Is there any foreign matter or toner-clump in the sub-hopper? (4) Check if the connector of the sub-hopper toner motor is disconnected. (5) Check if the connectors on the EPU board (CN553, 554, 555, and 556) are disconnected, or the harness is open circuited or short circuited. (6) Replace the sub-hopper toner motor. (7) Replace the EPU board. (8) Replace the LGC board.
Remedy: (1) Check if there is any abnormality on the connector between the equipment and the EPU tray of the process unit. (05-2788) (2) Check if the sub-hopper toner motor is rotating. (Input check: 03-[FAX]OFF/[4]/[D/E/F/G]) (3) Is the sub-hopper toner supply motor locked? (Is there any foreign matter or toner-clump in the sub-hopper? (4) Check if the connector of the sub-hopper toner motor is disconnected. (5) Check if the connectors on the EPU board (CN553, 554, 555, and 556) are disconnected, or the harness is open circuited or short circuited. (6) Replace the sub-hopper toner motor. (7) Replace the EPU board. (8) Replace the LGC board.