• Code: 1050
• Description: Overcurrent detection of upper cassette base motor (The third paper feeder)
  • Excessive current has flowed through the upper cassette base motor which elevates the bottom plate in the cassette when the upper cassette is installed in the third paper feeder PF- 30A or power is turned on.
• Causes: Defective upper cassette base motor. Defective bottom plate elevation mechanism of upper cassette. Defective main board of paper feeder PF-30A. Defective engine controller PWB (KP-801).
• Remedy: Defective upper cassette base motor. Replace the upper cassette base motor. See paper feeder PF-30A’s service manual.
  Defective bottom plate elevation mechanism of upper cassette. Check whether there is an object that prevents the bottom plate of upper cassette from operating normally.
  Defective main board of paper feeder PF-30A. Replace the main board of paper feeder PF-30A. See paper feeder PF-30A’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 1060
• Description: Overcurrent detection of lower cassette base motor (The third paper feeder)
  • Excessive current has flowed through the lower cassette base motor which elevates the bottom plate in the cassette when the lower cassette is installed in the third paper feeder PF- 30A or power is turned on.
• Causes: Defective lower cassette base motor. Defective bottom plate elevation mechanism of lower cassette. Defective main board of paper feeder PF-30A. Defective engine controller PWB (KP-801).
• Remedy: Defective lower cassette base motor. Replace the lower cassette base motor. See paper feeder PF-30A’s service manual.
  Defective bottom plate elevation mechanism of lower cassette. Check whether there is an object that prevents the bottom plate of lower cassette from operating normally.
  Defective main board of paper feeder PF-30A. Replace the main board of paper feeder PF-30A. See paper feeder PF-30A’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 1210
• Description: Side registration home position sensor detection error (Duplex unit)
  • The side registration home position sensor of duplex unit PD-30 does not detect home position of side registration guides.
• Causes: Defective side registration home position sensor. Defective side registration motor. Defective engine controller PWB (KP-801).
• Remedy: Defective side registration home position sensor. Replace the side registration home position sensor. See duplex unit PD-30’s service manual.
  Defective side registration motor. Replace the main board of duplex unit PD- 30. See duplex unit PD-30’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 2000
• Description: Main drive motor lock
  • The frequency generation pulse which the main drive motor generates to CPU (U2) on the engine controller PWB (KP-801) in normal operation (after self-diagnostics codes 2010 and 2020 are cleared) is not at the correct frequency.8
• Causes: Defective main drive motor. Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Defective harness (S02571) between engine controller PWB (KP-801) and main drive motor, or poor contact of the connector terminals. Defective engine controller PWB (KP-801).
• Remedy: Defective main drive motor. Replace the main drive motor.
  Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Check if the drum unit or primary transfer unit rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02571) between engine controller PWB (KP-801) and main drive motor, or poor contact of the connector terminals. Check the continuity of the harness (S02571). Check the insertion of connectors.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 2010
• Description: Main drive motor starting error
  • No FG (Frequency generation) pulse is entered within the predetermined period since ASIC (U8) on the engine controller PWB (KP-801) has issued a motor activation signal to the main drive motor.
• Causes: Defective engine controller PWB (KP-801). Defective main drive motor. Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Defective harness (S02571) between engine controller PWB (KP-801) and main drive motor, or poor contact of the connector terminals. Defective engine controller PWB (KP-801).
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective main drive motor. Replace the main drive motor.
  Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Check if the drum unit or primary transfer unit rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02571) between engine controller PWB (KP-801) and main drive motor, or poor contact of the connector terminals. Check the continuity of the harness (S02571). Check the insertion of connectors.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 2020
• Description: Main drive motor starting time-out
  • The FG (Frequency generation) pulse does not reach the correct frequency since ASIC (U8) on the engine controller PWB (KP-801) has issued a motor activation signal to the main drive motor.r
• Causes: Defective main drive motor. Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Defective harness (S02571) between engine controller PWB (KP-801) and main drive motor, or poor contact of the connector terminals.
• Remedy: Defective main drive motor. Replace the main drive motor.
  Excessive torque for driving drum unit or primary transfer unit. (Overloaded by a damaged gear.) Check if the drum unit or primary transfer unit rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02571) between engine controller PWB (KP-801) and main drive motor, or poor contact of the connector terminals. Check the continuity of the harness (S02571). Check the insertion of connectors.

• Code: 2101
• Description: Black developer drive motor lock
  • The FG (Frequency generation) pulse which the black developer drive motor generates is not entered at the correct frequency in CPU (U2) on the engine controller PWB (KP-801) during normal operation (after selfdiagnostics codes 2111 and 2121 are cleared).
• Causes: Defective engine controller PWB (KP-801). Defective black developer drive motor. Excessive torque for driving black developer. (Overloaded by a damaged gear.) Defective harness (S02570) between engine controller PWB (KP-801) and black developer drive motor, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective black developer drive motor. Replace the black developer drive motor.
  Excessive torque for driving black developer. (Overloaded by a damaged gear.) Check if the black developer rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02570) between engine controller PWB (KP-801) and black developer drive motor, or poor contact of the connector terminals. Check the continuity of the harness (S02570). Check the insertion of connectors.

• Code: 2102
• Description: Color developers drive motor lock
  • The FG (Frequency generation) pulse which the color developers drive motor generates is not entered at the correct frequency in ASIC (U8) on the engine controller PWB (KP-801) during normal operation (after selfdiagnostics codes 2112 and 2122 are cleared).
• Causes: Defective engine controller PWB (KP-801). Defective color developers drive motor. Excessive torque for driving color developers. (Overloaded by a damaged gear.) Defective harness (S02609) between engine controller PWB (KP-801) and color developers drive motor, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective color developers drive motor. Replace the color developers drive motor.
  Excessive torque for driving color developers. (Overloaded by a damaged gear.) Check if the yellow, magenta, and cyan developers rotate smoothly. Check for broken gears. Replace if any.
  Defective harness (S02609) between engine controller PWB (KP-801) and color developers drive motor, or poor contact of the connector terminals. Check the continuity of the harness (S02609). Check the insertion of connectors