Fixing Kyocera FS8000C Printer Error Codes in details

Fixing Kyocera FS8000C Printer Error Codes in details

– Printer model: Kyocera FS8000C
– Fix Error codes on Kyocera FS8000C model and its description:

• Code: 0121
• Description: EEPROM read error
  • The ASIC (U7) of engine controller PWB (KP-801) does not access to the EEPROM (U621) of drum PWB (KP-813) normally.
• Causes: Defective engine controller PWB (KP-801). Defective drum PWB (KP-813). Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective drum PWB (KP-813). Replace the drum unit.
  Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals. Check the continuity of the harness (S02575). Check the insertion of connectors.

• Code: 0440
• Description: Communication error between printer and document finisher/ mailbox sorter
  • The CPU (U2) of engine controller PWB (KP-801) does not communicate with the document finisher DF-31/mailbox sorter SO-30 normally. • The microcomputer (U26) of engine controller PWB (KP-801) does not communicate to the document finisher DF-31/mailbox sorter SO-30 normally.
• Causes: Defective engine controller PWB (KP-801). Defective main PWB of document finisher DF-31/ mailbox sorter SO-30. Defective paper feeder/options relay PWB (KP- 830). Defective signal cable between printer and document finisher DF-31/mailbox sorter SO-30. Defective harness (S02591) between engine controller PWB (KP-801) and paper feeder/ options relay PWB (KP-830), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective main PWB of document finisher DF-31/ mailbox sorter SO-30. Replace the main PWB of document finisher DF-31/mailbox sorter SO-30. See document finisher DF-31/mailbox sorter SO-30’s service manual.
  Defective paper feeder/options relay PWB (KP- 830). Replace the paper feeder/options relay PWB (KP-830).
  Defective signal cable between printer and document finisher DF-31/mailbox sorter SO-30. Replace the signal cable between printer and document finisher DF-31/mailbox sorter SO-30.
  Defective harness (S02591) between engine controller PWB (KP-801) and paper feeder/ options relay PWB (KP-830), or poor contact of the connector terminals. Check the continuity of the harness (S02591). Check the insertion of connectors.

• Code: 0450
• Description: Communication error between printer and bulk stacker
  • The CPU (U2) of engine controller PWB (KP-801) does not communicate with the bulk stacker ST-31 normally.
• Causes: Defective engine controller PWB (KP-801). Defective main board of bulk stacker ST-31. Defective paper feeder/options relay PWB (KP- 830). Defective signal cable between bulk stacker ST- 31. Defective harness (S02591) between engine controller PWB (KP-801) and paper feeder/ options relay PWB (KP-830), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective main board of bulk stacker ST-31. Replace the main board of bulk stacker ST- 31. See bulk stacker ST-31’s service manual.
  Defective paper feeder/options relay PWB (KP- 830). Replace the paper feeder/options relay PWB (KP-830).
  Defective signal cable between bulk stacker ST- 31. Replace the signal cable between printer and bulk stacker ST-31.
  Defective harness (S02591) between engine controller PWB (KP-801) and paper feeder/ options relay PWB (KP-830), or poor contact of the connector terminals. Check the continuity of the harness (S02591). Check the insertion of connectors.

• Code: 0460
• Description: Communication error between printer and duplex unit
  • The CPU (U2) of engine controller PWB (KP-801) does not communicate with the duplex unit PD- 30 normally.
• Causes: Defective engine controller PWB (KP-801). Defective main board of duplex unit PD-30. Defective paper feeder/options relay PWB (KP- 830). Defective connection printer and duplex unit PD-30. Defective harness (S02591) between engine controller PWB (KP-801) and paper feeder/ options relay PWB (KP-830), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective main board of duplex unit PD-30. Replace the main board of duplex unit PD- 30. See duplex unit PD-30’s service manual.
  Defective paper feeder/options relay PWB (KP- 830). Replace the paper feeder/options relay PWB (KP-830).
  Defective connection printer and duplex unit PD-30. Reinstall duplex unit PD-30.
  Defective harness (S02591) between engine controller PWB (KP-801) and paper feeder/ options relay PWB (KP-830), or poor contact of the connector terminals. Check the continuity of the harness (S02591). Check the insertion of connectors.

• Code: 1010
• Description: Overcurrent detection of upper cassette base motor (The first 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 top 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: 1020
• Description: Overcurrent detection of lower cassette base motor (The first 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 first paper feeder PF- 30A or power is turned on.
  Overcurrent detection of cassette base motor (Duplex unit)
  • Excessive current has flowed through the cassette base motor which elevates the bottom plate in the cassette when the lower cassette is installed in the duplex unit PD-30.
• 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). Defective lower cassette base motor. Defective bottom plate elevation mechanism of lower cassette. Defective main board of the duplex unit PD- 30. 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).
  Defective lower cassette base motor Replace the lower cassette base motor. See the duplex unit PD-30’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 the duplex unit PD- 30. Replace the main board of the duplex unit PD-30. See the duplex unit PD-30’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 1030
• Description: Overcurrent detection of upper cassette base motor (The second 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 second 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: 1040
• Description: Overcurrent detection of lower cassette base motor (The second 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 second 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: 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

• Code: 2111
• Description: Black developer drive motor starting error
  • No FG (Frequency generation) pulse is entered when ASIC (U7) on the engine controller PWB (KP-801) has issued a motor activation signal to the black developer drive motor.
• 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 main 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 main drive motor, or poor contact of the connector terminals. Check the continuity of the harness (S02570). Check the insertion of connectors.

• Code: 2112
• Description: Color developers drive motor starting error
  • No FG (Frequency generation) pulse is entered when ASIC (U7) on the engine controller PWB (KP-801) has issued a motor activation signal to the drive motor for the color developers.
• 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.

• Code: 2121
• Description: Black developer drive motor starting time-out
  • The FG (Frequency generation) pulse does not reach the correct frequency when ASIC (U7) on the engine controller PWB (KP-801) has issued a motor activation signal to the black developer drive motor.dev
• 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, 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, or poor contact of the connector terminals. Check the continuity of the harness (S02570). Check the insertion of connectors.

• Code: 2122
• Description: Color developers drive motor starting time-out
  • The FG (Frequency generation) pulse does not reach the correct frequency when ASIC (U8) on the engine controller PWB (KP-801) has issued a motor activation signal to the drive motor that drives the color developers.
• 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, 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, or poor contact of the connector terminals. Check the continuity of the harness (S02609). Check the insertion of connectors.

• Code: 2320
• Description: Fuser drive motor error
  • The fuser control system does not operate normally.
• Causes: Defective engine controller PWB (KP-801).
• Remedy: Replace the engine controller PWB (KP- 801).

• Code: 2340
• Description: Fuser drive motor driving clock table error
  • An error has occurred in the driving clock table on the engine controller PWB (KP-801) that controls the fuser drive motor (a stepping motor).
• Causes: Defective engine controller PWB (KP-801).
• Remedy: Replace the engine controller PWB (KP- 801).

• Code: 2500
• Description: Paper feed motor lock
  • The FG (Frequency generation) pulse which the paper feed motor generates is not entered at the correct frequency in ASIC (U8) on the engine controller PWB (KP-801) during normal operation.n
• Causes: Defective engine controller PWB (KP-801). Defective paper feed motor. Excessive torque for driving paper feed unit. (Overloaded by a damaged gear.) Defective harness (S02564) between engine controller PWB (KP-801) and paper feed motor, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective paper feed motor. Replace the paper feed motor.
  Excessive torque for driving paper feed unit. (Overloaded by a damaged gear.) Check if the paper feed unit rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02564) between engine controller PWB (KP-801) and paper feed motor, or poor contact of the connector terminals. Check the continuity of the harness (S02564). Check the insertion of connectors.

• Code: 2510
• Description: Paper feed motor starting error
  • No FG (Frequency generation) pulse is entered within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) has issued a motor activation signal to the paper feed motor.
• Causes: Defective engine controller PWB (KP-801). Defective paper feed motor. Excessive torque for driving paper feed unit. (Overloaded by a damaged gear.) Defective harness (S02564) between engine controller PWB (KP-801) and paper feed motor, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective paper feed motor. Replace the paper feed motor.
  Excessive torque for driving paper feed unit. (Overloaded by a damaged gear.) Check if the paper feed unit rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02564) between engine controller PWB (KP-801) and paper feed motor, or poor contact of the connector terminals. Check the continuity of the harness (S02564). Check the insertion of connectors.

– Kyocera FS8000C printer Error Codes and quick guide to troubleshooting:

• Code: 2520
• Description: Paper feed motor starting time-out
  • The FG (Frequency generation) pulse does not reach the correct frequency within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) has issued a motor activation signal to the paper feed motor.t
• Causes: Defective engine controller PWB (KP-801). Defective paper feed motor. Excessive torque for driving paper feed unit. (Overloaded by a damaged gear.) Defective harness (S02564) between engine controller PWB (KP-801) and main paper feed, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective paper feed motor. Replace the paper feed motor.
  Excessive torque for driving paper feed unit. (Overloaded by a damaged gear.) Check if the paper feed unit rotates smoothly. Check for broken gears. Replace if any.
  Defective harness (S02564) between engine controller PWB (KP-801) and main paper feed, or poor contact of the connector terminals. Check the continuity of the harness (S02564). Check the insertion of connectors.

• Code: 4000
• Description: Polygon motor error
  • The READY signal is not entered within the predetermined period when CPU (U2) on the engine controller PWB (KP-801) has issued a motor activation signal to the laser scanner unit.o
• Causes: Defective engine controller PWB (KP-801). Defective laser scanner unit (PD PWB [KP-838]). Defective harness (S02542) between engine controller PWB (KP-801) and laser scanner unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective laser scanner unit (PD PWB [KP-838]). Replace the laser scanner unit.
  Defective harness (S02542) between engine controller PWB (KP-801) and laser scanner unit, or poor contact of the connector terminals. Check the continuity of the harness (S02542). Check the insertion of connectors.

• Code: 4200
• Description: Horizontal synchronized signal (PD) detection error
  • The horizontal synchronization signal (PD) is not entered by the laser scanner unit when ASIC (U7) on the engine controller PWB (KP-801) has issued a laser activation signal.ls.#0
• Causes: Defective engine controller PWB (KP-801). Defective laser scanner unit (PD PWB [KP-838]). Defective harness (S02542) between engine controller PWB (KP-801) and laser scanner unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective laser scanner unit (PD PWB [KP-838]). Replace the laser scanner unit.
  Defective harness (S02542) between engine controller PWB (KP-801) and laser scanner unit, or poor contact of the connector terminals. Check the continuity of the harness (S02542). Check the insertion of connectors.

• Code: 5120
• Description: Abnormal separation charger high voltage leak current
  • ASIC (U8) on the engine controller PWB (KP-801) has detected a excessive leakage current in the separation charger high voltage supply.
• Causes: Defective engine controller PWB (KP-801). Defective separation charger high voltage unit. Defective harness (S02616) between engine controller PWB (KP-801) and separation charger high voltage unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective separation charger high voltage unit. Replace the separation charger high voltage unit.
  Defective harness (S02616) between engine controller PWB (KP-801) and separation charger high voltage unit, or poor contact of the connector terminals. Check the continuity of the harness (S02616). Check the insertion of connectors.

• Code: 5300
• Description: Eraser lamp broken detection
  • The current at the correct level is not detected when ASIC (U8) on the engine controller PWB (KP-801) generates the signal to activate the eraser lamp.
• Causes: Defective engine controller PWB (KP-801). Defective drum unit (eraser lamp or drum PWB [KP- 813]). Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective drum unit (eraser lamp or drum PWB [KP- 813]). Replace the drum unit.
  Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals. Check the continuity of the harness (S02575). Check the insertion of connectors.

• Code: 6000
• Description: Heat roller heating time-out 1
  • The temperature on the heat roller does not rise within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) has turned on the upper heater lamp. This is detected when the upper heater lamp is turned on.
• Causes: Defective engine controller PWB (KP-801). Defective upper heater lamp. Defective upper thermostat. Defective fuser PWB (KP-811). Defective upper fuser thermistor, or fitting is not proper. Defective power supply unit. Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective upper heater lamp. Replace the fuser unit (upper heater lamp).
  Defective upper thermostat. Replace the fuser unit (upper thermostat).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective upper fuser thermistor, or fitting is not proper. Replace the fuser unit (upper fuser thermistor).
  Defective power supply unit. Replace the power supply unit.
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals. Check the continuity the harness (S02572). Check the insertion of connectors.

• Code: 6010
• Description: Heat roller heating time-out 2
  • The temperature on the heat toller does not reach the correct temperature within the predetermined period after self-diagnostic code 6000 is cleared. The period for detection is longer than the condition for selfdiagnostics code 6000.ne con
• Causes: Defective engine controller PWB (KP-801). Defective upper heater lamp. Defective upper thermostat. Defective fuser PWB (KP-811). Defective upper fuser thermistor, or fitting is not proper. Defective AC power source (Abnormal low voltage). Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective upper heater lamp. Replace the fuser unit (upper heater lamp).
  Defective upper thermostat. Replace the fuser unit (upper thermostat).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective upper fuser thermistor, or fitting is not proper. Replace the fuser unit (upper fuser thermistor).
  Defective AC power source (Abnormal low voltage). Connect to the proper AC power source.
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6020
• Description: Heat roller abnormal high temperature
  • The temperature on the heat roller has risen up to the abnormal temperature.
• Causes: Defective engine controller PWB (KP-801). Defective upper heater lamp. Defective fuser PWB (KP-811). Defective upper fuser thermistor. Defective power supply unit. Defective AC power source. (Abnormal high voltage) Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective upper heater lamp. Replace the fuser unit (upper heater lamp).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective upper fuser thermistor. Replace the fuser unit (upper fuser thermistor).
  Defective power supply unit. Replace the power supply unit.
  Defective AC power source. (Abnormal high voltage) Connect to the proper AC power source.
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6030
• Description: Upper fuser thermistor broken detection
  • No temperature detection output is obtained from the upper fuser thermistor.
• Causes: Defective engine controller PWB (KP-801). Defective fuser PWB (KP-811). Defective upper fuser thermistor, or improper fitting.. Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (upper fuser thermistor), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective upper fuser thermistor, or improper fitting. Replace the fuser unit (upper fuser thermistor).
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (upper fuser thermistor), or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6040
• Description: Upper fuser thermistor abnormal temperature detection
  • The temperature detection output from the upper fuser thermistor is abnormal change.
• Causes: Defective engine controller PWB (KP-801). Defective fuser PWB (KP-811). Defective upper fuser thermistor, or fitting is not proper. Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (upper fuser thermistor), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective upper fuser thermistor, or fitting is not proper. Replace the fuser unit (upper fuser thermistor).
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (upper fuser thermistor), or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6100
• Description: Press/heat roller heating time-out 1
  • The temperature on the press/heat roller does not rise within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) has turned on the lower heater lamp. This is detected when the lower heater lamp is turned on.
• Causes: Defective engine controller PWB (KP-801). Defective lower heater lamp. Defective lower thermostat. Defective fuser PWB (KP-811). Defective lower fuser thermistor, or fitting is not proper. Defective power supply unit. Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective lower heater lamp. Replace the fuser unit (lower heater lamp).
  Defective lower thermostat. Replace the fuser unit (lower thermostat).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective lower fuser thermistor, or fitting is not proper. Replace the fuser unit (lower fuser thermistor).
  Defective power supply unit. Replace the power supply unit.
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6110
• Description: Press/heat roller heating time-out 2 • The temperature on the press/heat toller does not reach the correct temperature within the predetermined period after self-diagnostic code 6100 is cleared. The period for detection is longer than the condition for selfdiagnostics code 6100.
• Causes: Defective engine controller PWB (KP-801). Defective lower heater lamp. Defective lower thermostat. Defective fuser PWB (KP-811). Defective lower fuser thermistor, or fitting is not proper. Defective AC power source (Abnormal low voltage). Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective lower heater lamp. Replace the fuser unit (lower heater lamp).
  Defective lower thermostat. Replace the fuser unit (lower thermostat).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective lower fuser thermistor, or fitting is not proper. Replace the fuser unit (upper fuser thermistor).
  Defective AC power source (Abnormal low voltage). Connect to the proper AC power source.
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6120
• Description: Press/heat roller abnormal high temperature
  • The temperature on the press/heat roller has risen up to the predetermined abnormal temperature.
• Causes: Defective engine controller PWB (KP-801). Defective lower heater lamp. Defective fuser PWB (KP-811). Defective lower fuser thermistor. Defective power supply unit. Defective AC power source (Abnormal high voltage). Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective lower heater lamp. Replace the fuser unit (lower heater lamp).
  Defective fuser PWB (KP-811). Replace the fuser unit (lower thermostat).
  Defective lower fuser thermistor. Replace the lower fuser thermistor.
  Defective power supply unit. Replace the power supply unit.
  Defective AC power source (Abnormal high voltage). Connect to the proper AC power source.
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit, or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6130
• Description: Lower fuser thermistor broken detection
  • The temperature detection is not obtained from the lower fuser thermistor.
• Causes: Defective engine controller PWB (KP-801). Defective fuser PWB (KP-811). Defective lower fuser thermistor, or improper fitting. Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (lower fuser thermistor), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective lower fuser thermistor, or improper fitting. Replace the fuser unit (lower fuser thermistor).
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (lower fuser thermistor), or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6140
• Description: Lower fuser thermistor abnormal temperature detection
  • The temperature detection output from the lower fuser thermistor is out of the normal range.
• Causes: Defective engine controller PWB (KP-801). Defective fuser PWB (KP-811). Defective lower fuser thermistor, or fitting is not proper. Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (lower fuser thermistor), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective fuser PWB (KP-811). Replace the fuser unit (fuser PWB [KP- 811]).
  Defective lower fuser thermistor, or fitting is not proper. Replace the fuser unit (lower fuser thermistor).
  Defective harness (S02572) between engine controller PWB (KP-801) and fuser unit (lower fuser thermistor), or poor contact of the connector terminals. Check the continuity of the harness (S02572). Check the insertion of connectors.

• Code: 6430
• Description: Oil roller unit fuse break error
  • The engine controller PWB (KP-801) is not able to cut the fuse on the oil roller unit.
• Causes: Defective oil roller unit fuse. Defective harness (S02619) between engine controller PWB (KP-801) and oil roller unit detection sensor, or poor contact of the connector terminals.
• Remedy: Defective oil roller unit fuse. Replace the oil roller unit.
  Defective harness (S02619) between engine controller PWB (KP-801) and oil roller unit detection sensor, or poor contact of the connector terminals. Check the continuity of the harness (S02619). Check the insertion of connectors.

• Code: 7001
• Description: Black toner feed motor lock
  • The revolution of the black toner feed motor does not reach the predetermined revolution within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) activates the black toner feed motor.
• Causes: Defective engine controller PWB (KP-801). Defective black developer (Black developer PWB [KP-817]). Defective harness (S02547) between engine controller PWB (KP-801) and black developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective black developer (Black developer PWB [KP-817]). Replace the black developer.
  Defective harness (S02547) between engine controller PWB (KP-801) and black developer, or poor contact of the connector terminals. Check the continuity of the harness (S02547). Check the insertion of connectors.

• Code: 7002
• Description: Cyan toner feed motor lock
  • The revolution of the cyan toner feed motor does not reach the predetermined revolution within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) activates the cyan toner feed motor.
• Causes: Defective engine controller PWB (KP-801). Defective cyan developer (Cyan developer PWB [KP-815]). Defective harness (S02547) between engine controller PWB (KP-801) and cyan developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective cyan developer (Cyan developer PWB [KP-815]). Replace the cyan developer.
  Defective harness (S02547) between engine controller PWB (KP-801) and cyan developer, or poor contact of the connector terminals. Check the continuity of the harness (S02547). Check the insertion of connectors.

• Code: 7003
• Description: Magenta toner feed motor lock
  • The revolution of the magenta toner feed motor does not reach the predetermined revolution within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) activates the magenta toner feed motor.
• Causes: Defective engine controller PWB (KP-801). Defective magenta developer (Magenta developer PWB [KP-815]). Defective harness (S02546) between engine controller PWB (KP-801) and magenta developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective magenta developer (Magenta developer PWB [KP-815]). Replace the magenta developer.
  Defective harness (S02546) between engine controller PWB (KP-801) and magenta developer, or poor contact of the connector terminals. Check the continuity of the harness (S02546). Check the insertion of connectors.

• Code: 7004
• Description: Yellow toner feed motor lock
  • The revolution of the yellow toner feed motor does not reach the predetermined revolution within the predetermined period when ASIC (U8) on the engine controller PWB (KP-801) activates the yellow toner feed motor.
• Causes: Defective engine controller PWB (KP-801). Defective yellow developer (Yellow developer PWB [KP-847]). Defective harness (S02546) between engine controller PWB (KP-801) and yellow developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective yellow developer (Yellow developer PWB [KP-847]). Replace the yellow developer.
  Defective harness (S02546) between engine controller PWB (KP-801) and yellow developer, or poor contact of the connector terminals. Check the continuity of the harness (S02546). Check the insertion of connectors.

• Code: 7101
• Description: Black T/C sensor toner density detection error
  • A normal toner density signal is not entered in the A/D port of CPU (U2) on the engine controller PWB (KP- 801).
• Causes: Defective engine controller PWB (KP-801). Defective black developer (black developer PWB [KP-817] or black T/C sensor). Defective black developer. (black toner feed motor does not rotate in the correct revolution.) Defective harness (S02547) between engine controller PWB (KP-801) and black developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective black developer (black developer PWB [KP-817] or black T/C sensor). Replace the black developer.
  Defective black developer. (black toner feed motor does not rotate in the correct revolution.) Replace the black developer.
  Defective harness (S02547) between engine controller PWB (KP-801) and black developer, or poor contact of the connector terminals. Check the continuity of the harness (S02547). Check the insertion of connectors.

• Code: 7102
• Description: Cyan T/C sensor toner density detection error
  • A normal toner density signal is not entered in the A/D port of CPU (U2) on the engine controller PWB (KP- 801).
• Causes: Defective engine controller PWB (KP-801). Defective cyan developer (cyan developer PWB [KP-815] or cyan T/C sensor). Defective cyan developer. (cyan toner feed motor does not rotate in the correct revolution.) Defective harness (S02547) between engine controller PWB (KP-801) and cyan developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective cyan developer (cyan developer PWB [KP-815] or cyan T/C sensor). Replace the cyan developer.
  Defective cyan developer. (cyan toner feed motor does not rotate in the correct revolution.) Replace the cyan developer.
  Defective harness (S02547) between engine controller PWB (KP-801) and cyan developer, or poor contact of the connector terminals. Check the continuity of the harness (S02547). Check the insertion of connectors.

• Code: 7103
• Description: Magenta T/C sensor toner density detection error
  • A normal toner density signal is not entered in the A/D port of CPU (U2) on the engine controller PWB (KP- 801).
• Causes: Defective engine controller PWB (KP-801). Defective magenta developer (magenta developer PWB [KP-815] or magenta T/C sensor). Defective magenta developer. (magenta toner feed motor does not rotate in the correct revolution.) Defective harness (S02546) between engine controller PWB (KP-801) and magenta developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective magenta developer (magenta developer PWB [KP-815] or magenta T/C sensor). Replace the magenta developer.
  Defective magenta developer. (magenta toner feed motor does not rotate in the correct revolution.) Replace the magenta developer.
  Defective harness (S02546) between engine controller PWB (KP-801) and magenta developer, or poor contact of the connector terminals. Check the continuity of the harness (S02546). Check the insertion of connectors.

• Code: 7104
• Description: Yellow T/C sensor toner density detection error
  • A normal toner density signal is not entered in the A/D port of CPU (U2) on the engine controller PWB (KP- 801).
• Causes: Defective engine controller PWB (KP-801). Defective yellow developer (yellow developer PWB [KP-815] or yellow T/C sensor). Defective yellow developer. (yellow toner feed motor does not rotate in the correct revolution.) Defective harness (S02546) between engine controller PWB (KP-801) and yellow developer, or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective yellow developer (yellow developer PWB [KP-815] or yellow T/C sensor). Replace the yellow developer.
  Defective yellow developer. (yellow toner feed motor does not rotate in the correct revolution.) Replace the yellow developer.
  Defective harness (S02546) between engine controller PWB (KP-801) and yellow developer, or poor contact of the connector terminals. Check the continuity of the harness (S02546). Check the insertion of connectors.

• Code: 7301
• Description: Intermediate toner hopper toner feed error
  • Black toner is not fed in the intermediate toner hopper in the black toner developer from the black toner container within the predetermined period.
• Causes: Defective engine controller PWB (KP-801). Defective black toner empty sensor PWB (KP- 895, KP-896). Defective black toner feed clutch. Poor contact of the black toner feed clutch. Defective feed drive PWB (KP- 822). Defective harness (S02547) between engine controller PWB (KP-801) and black developer, or poor contact of the connector terminals. Defective harness (S02563) between engine controller PWB (KP-801) and feed drive PWB (KP-822), or poor contact of the connector terminals.
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective black toner empty sensor PWB (KP- 895, KP-896). Replace the black toner empty sensor PWB (KP-895, KP-896).
  Defective black toner feed clutch. Replace the black toner feed clutch.
  Poor contact of the black toner feed clutch. Check the insertion of connectors.
  Defective feed drive PWB (KP- 822). Replace the feed drive PWB (KP-822).
  Defective harness (S02547) between engine controller PWB (KP-801) and black developer, or poor contact of the connector terminals. Check the continuity of the harness (S02547). Check the insertion of connectors.
  Defective harness (S02563) between engine controller PWB (KP-801) and feed drive PWB (KP-822), or poor contact of the connector terminals. Check the continuity of the harness (S02563). Check the insertion of connectors.

• Code: 7700
• Description: Offset drum sensor detection error
  • A pulse signal is not entered to ASIC (U7) on the engine controller PWB from the offset drum sensor.
• Causes: Defective drum PWB (KP-813). Defective engine controller PWB (KP-801). Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals.
• Remedy: Defective drum PWB (KP-813). Replace the drum unit.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals. Check the continuity of the harness (S02575). Check the insertion of connectors.

• Code: 7710
• Description: Offset drum sensor detection error
  • A pulse signal is not entered to ASIC (U7) on the engine controller PWB from the offset drum sensor.
• Causes: Defective drum PWB (KP-813). Defective engine controller PWB (KP-801). Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals.
• Remedy: Defective drum PWB (KP-813). Replace the drum unit.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective harness (S02575) between engine controller PWB (KP-801) and drum unit, or poor contact of the connector terminals. Check the continuity of the harness (S02575). Check the insertion of connectors.

• Code: 8010
• Description: Feeder motor error (Document finisher)
  • Feeder motor of the document finisher DF-31 does not operate normally.m the
• Causes: Defective feeder motor of the document finisher DF-31. Defective engine controller PWB (KP-801).
• Remedy: Defective feeder motor of the document finisher DF-31. Replace feeder motor of the document finisher DF-31. See document finisher DF- 31’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8020
• Description: Paper ejection motor error (Document finisher)
  • Paper ejection motor of the document finisher DF-31 does not operate normally. PWB
• Causes: Defective paper ejection motor of the document finisher DF-31. Defective engine controller PWB (KP-801).
• Remedy: Defective paper ejection motor of the document finisher DF-31. Replace paper ejection motor of the document finisher DF-31. See document finisher DF-31’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8140
• Description: Tray elevation motor error (Document finisher)
  • Tray elevation motor of the document finisher DF-31 does not operate normally.
• Causes: Defective tray elevation motor of the document finisher DF-31. Defective engine controller PWB (KP-801).
• Remedy: Defective tray elevation motor of the document finisher DF-31. Replace tray elevation motor of the document finisher DF-31. See document finisher DF-31’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8170
• Description: Matching board movement motor error (Document finisher)
  • Matching board movement motor of the document finisher DF-31 does not operate normally.
• Causes: Defective matching board movement motor of the document finisher DF-31. Defective engine controller PWB (KP-801).
• Remedy: Defective matching board movement motor of the document finisher DF-31. Replace matching board movement motor of the document finisher DF-31. See document finisher DF-31’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8210
• Description: Staple movement motor error (Document finisher)
  • Staple movement motor of the document finisher DF-31 does not operate normally.
• Causes: Defective staple movement motor of the document finisher DF-31. Defective engine controller PWB (KP-801).
• Remedy: Defective staple movement motor of the document finisher DF-31. Replace staple movement motor of the document finisher DF-31. See document finisher DF-31’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8230
• Description: Staple motor error (Document finisher)
  • Staple motor of the document finisher DF-31 does not operate normally.-801).
• Causes: Defective staple motor of the document finisher DF-31. Defective engine controller PWB (KP-801).
• Remedy: Defective staple motor of the document finisher DF-31. Replace staple motor of the document finisher DF-31. See document finisher DF- 31’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8290
• Description: Sorter compatibility error
  • The engine controller PWB (KP-801) does not recognize compatibility of the mailbox sorter SO-30 for this printer.
• Causes: The ROM version of mailbox sorter S0-30 main board is not compatible for this printer. Defective mailbox sorter S0-30 main board. Defective engine controller PWB (KP-801).
• Remedy: The ROM version of mailbox sorter S0-30 main board is not compatible for this printer. Replace the ROM of mailbox sorter S0-30 main board for this printer.
  Defective mailbox sorter S0-30 main board. Replace the sorter SO-30 main board. See mailbox sorter SO-30’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: 8510
• Description: Bulk stacker compatibility error
  • The engine controller PWB (KP-801) does not recognize compatibility of the bulk stacker ST-30 for installed printer.
• Causes: The ROM version of bulk stacker ST-30 main board is not compatible for this printer. Defective bulk stacker ST-30 board. Defective engine controller PWB (KP-801).
• Remedy: The ROM version of bulk stacker ST-30 main board is not compatible for this printer. Replace the ROM of bulk stacker ST-30 main board for this printer.
  Defective bulk stacker ST-30 board. Replace the bulk stacker ST-30 main board. See bulk stacker ST-30’s service manual.
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

• Code: F000
• Description: Main controller PWB error
  • The operation breakdown occurs between main controller PWB (KP- 800) and operation panel PWB (KP- 805) during 30 seconds.r. con
• Causes: Defective main controller PWB (KP-800). Defective operator panel PWB (KP- 805). Defective mainengine controllers relay PWB (KP- 802). Defective engine controller PWB (KP-801). Defective harness (S02540) between engine controller PWB (KP-801) and operator panel PWB (KP- 805), or poor contact of the connector terminals.f t
• Remedy: Defective main controller PWB (KP-800). Replace the main controller PWB (KP-800).
  Defective operator panel PWB (KP- 805). Replace the operator panel PWB (KP-805).
  Defective mainengine controllers relay PWB (KP- 802). Replace the main-engine controllers relay PWB (KP-802).
  Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective harness (S02540) between engine controller PWB (KP-801) and operator panel PWB (KP- 805), or poor contact of the connector terminals. Check the continuity of the harness (S02540). Check the insertion of connectors.

• Code: F010
• Description: System DIMM checksum error
  • Checksum for the system DIMM PWB (KP-689) that holds the system program is wrong. ST-30
• Causes: Defective system DIMM PWB (KP- 689). Defective main controller PWB (KP-800).
• Remedy: Defective system DIMM PWB (KP- 689). Replace the system DIMM PWB (KP-689).
  Defective main controller PWB (KP-800). Replace the main controller PWB (KP-800).

• Code: F020
• Description: Memory check error
  • Access to the expanding memory (DIMM) or RAM on the main controller PWB (KP-800) is unobtainable.o
• Causes: Defective main controller PWB (KP-800). Defective expansion memory (DIMM).
• Remedy: Defective main controller PWB (KP-800). Replace the main controller PWB (KP-800).
  Defective expansion memory (DIMM). Replace the expansion memory (DIMM).

• Code: F030
• Description: Main controller PWB system error
  • The error concerned with the system occurred except self diagnostic codes F0 (F010) conditions.
• Causes: Defective main controller PWB (KP-800).
• Remedy: Replace the main controller PWB (KP-800).

• Code: F040
• Description: Main – Engine controller PWBs communication error
  • The communication breakdown occurred between main controller PWB (KP-800) and engine controller PWB (KP-801) during 30 seconds.
• Causes: Defective engine controller PWB (KP-801). Defective main controller PWB (KP-800).
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).
  Defective main controller PWB (KP-800). Replace the main controller PWB (KP-800).

• Code: F070
• Description: Flash ROM checksum error
  • Check result is not correct about flash ROM (U10) checksum of engine controller PWB (KP-801).
• Causes: Defective engine controller PWB (KP-801).
• Remedy: Defective engine controller PWB (KP-801). Replace the engine controller PWB (KP- 801).

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