• Code: C1010
• Description: Overcurrent detection of first drawer base motor • Excessive current has flowed through the first drawer base motor which elevates the bottom plate in the drawer.
• Causes: Defective upper drawer base motor. Defective bottom plate elevation mechanism of first drawer. Defective main board of paper feeder. Defective engine controller PCB.
• Remedy: Replace the upper drawer base motor. Check whether there is an object that prevents the bottom plate of first drawer from operating normally. Replace the main board of paper feeder. Replace the engine controller PCB and check for correct operation.

• Code: C1020
• Description: Overcurrent detection of second drawer base motor • Excessive current has flowed through the second drawer base motor which elevates the bottom plate in the drawer.
• Causes: Defective lower drawer base motor. Defective bottom plate elevation mechanism of second drawer. Defective main board of paper feeder. Defective engine controller PCB.
• Remedy: Replace the lower drawer base motor. Check whether there is an object that prevents the bottom plate of second drawer from operating normally. Replace the main board of paper feeder. Replace the engine controller PCB and check for correct operation.

• Code: C1030
• Description: Overcurrent detection of third drawer base motor • Excessive current has flowed through the third drawer base motor which elevates the bottom plate in the drawer.
• Causes: Defective upper drawer base motor. Defective bottom plate elevation mechanism of third drawer. Defective main board of paper feeder. Defective engine controller PCB.
• Remedy: Replace the upper drawer base motor. Check whether there is an object that prevents the bottom plate of third drawer from operating normally. Replace the main board of paper feeder. Replace the engine controller PCB and check for correct operation.

• Code: C1040
• Description: Overcurrent detection of fourth drawer base motor • Excessive current has flowed through the fourth drawer base motor which elevates the bottom plate in the drawer.
• Causes: Defective lower drawer base motor. Defective bottom plate elevation mechanism of fourth drawer. Defective main board of paper feeder. Defective engine controller PCB.
• Remedy: Replace the lower drawer base motor. Check whether there is an object that prevents the bottom plate of second drawer from operating normally. Replace the main board of paper feeder. Replace the engine controller PCB and check for correct operation.

• Code: C1200
• Description: Side registration motor problem • The LOCK ALM signal has been gone high for 1 second from the time 1 second after the side registration motor started driving.
• Causes: Defective side registration motor. Defective engine controller PCB.
• Remedy: Replace the side registration motor. Replace the engine controller PCB and check for correct operation.

• Code: C1210
• Description: Side registration home position sensor detection error • The side registration home position sensor does not detect home position of side registration guides.
• Causes: Defective side registration home position sensor. Defective side registration motor. Defective engine controller PCB.
• Remedy: Replace the side registration home position sensor. Replace the side registration motor. Replace the engine controller PCB and check for correct operation.

• Code: C2000
• Description: Main drive motor lock • The frequency generation pulse which the main drive motor generates to CPU (U2) on the engine controller PCB in normal operation (after selfdiagnostics codes 2010 and 2020 are cleared) is not at the correct frequency.
• Causes: Defective main drive motor. Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Defective harness between engine controller PCB and main drive motor, or poor contact of the connector terminals. Defective engine controller PCB.
• Remedy: Replace the main drive motor. Check if the drum unit or primary transfer unit rotates smoothly. Check for broken gears. Replace if any. Check the continuity of the harness and the insertion of connectors. Replace the engine controller PCB and check for correct operation.

• Code: C2010
• Description: Main drive motor starting error • No FG (Frequency generation) pulse is entered within the predetermined period since ASIC (U8) on the engine controller PCB has issued a motor activation signal to the main drive motor.
• Causes: Defective engine controller PCB. Defective main drive motor. Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Defective harness between engine controller PCB and main drive motor, or poor contact of the connector terminals.
• Remedy: Replace the engine controller PCB and check for correct operation. Replace the main drive motor. Check if the drum unit or primary transfer unit rotates smoothly. Check for broken gears. Replace if any. Check the continuity of the harness and the insertion of connectors.