• Code: 7F
• Description: FAX paper setting mismatch (The setting paper becomes besides the A4/ Letter/Legal/Folio)
• Causes: 1 Registration front actuator catching on some position. 2 Main PCB failure.
• Remedy: 1 Registration front actuator catching on some position Correct catching of the registration front actuator. 2 Main PCB failure Replace the main PCB ASSY.

• Code: 80
• Description: FAX paper size is incorrect (The paper is smaller 10 mm than the Letter size (11 inch) in Fax List/Report)
• Causes: 1 Registration front actuator catching on some position. 2 Main PCB failure.
• Remedy: 1 Registration front actuator catching on some position Correct catching of the registration front actuator. 2 Main PCB failure Replace the main PCB ASSY.

• Code: 81
• Description: Incorrect density sensor measurement value when implementing adjustment of color density from the control panel cover ASSY.
• Causes: 1 Density sensor shutter catching on some position. 2 Harness connection failure of registration mark L PCB ASSY. 3 HVPS control PCB failure. 4 Engine PCB failure. 5 Main PCB failure. 6 Registration mark L PCB failure.
• Remedy: 1 Density sensor shutter catching on some position Correct catching of the density sensor shutter. 2 Harness connection failure of registration mark L PCB ASSY Check the harness connection of the registration mark L PCB ASSY and reconnect it. 3 HVPS control PCB failure Replace the HVPS control PCB ASSY. 4 Engine PCB failure Replace the engine PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY. 6 Registration mark L PCB failure Replace the registration sensor holder ASSY.

• Code: 82
• Description: Density patch measurement is not completed normally when implementing adjustment of color density from the control panel cover ASSY.
• Causes: 1 Density sensor shutter catching on some position. 2 Harness connection failure of registration mark L PCB ASSY. 3 HVPS control PCB failure. 4 Engine PCB failure. 5 Main PCB failure. 6 Registration mark L PCB failure.
• Remedy: 1 Density sensor shutter catching on some position Correct catching of the density sensor shutter. 2 Harness connection failure of registration mark L PCB ASSY Check the harness connection of the registration mark L PCB ASSY and reconnect it. 3 HVPS control PCB failure Replace the HVPS control PCB ASSY. 4 Engine PCB failure Replace the engine PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY. 6 Registration mark L PCB failure Replace the registration sensor holder ASSY.

• Code: 83
• Description: Drum error (K)
• Causes:
• Remedy:

• Code: 84
• Description: Paper jam at the back of the machine inside
• Causes: 1 Harness connection failure of registration front/rear sensor PCB ASSY and eject front sensor PCB ASSY. 2 Registration rear actuator or paper eject front actuator catching on some position.
• Remedy: 1 Harness connection failure of registration front/rear sensor PCB ASSY and eject front sensor PCB ASSY Check the harness connections of the registration front/rear sensor PCB ASSY and eject front sensor PCB ASSY, and reconnect them. 2 Registration rear actuator or paper eject front actuator catching on some position Correct catching of the registration rear actuator or paper eject front actuator. 3 Eject front sensor PCB failure (Error code 84) Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the eject front sensor PCB ASSY. Registration front/rear sensor PCB failure (Error code 88) Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the registration front/rear sensor PCB ASSY. 4 HVPS control PCB failure Replace the HVPS control PCB ASSY. 5 Engine PCB failure Replace the engine PCB ASSY. 6 Main PCB failure Replace the main PCB ASSY.

• Code: 87
• Description: Toner of the color which is being used reaches the end of life when implementing adjustment of color density from the control panel cover ASSY.
• Causes: 1 Toner/new sensor PCB failure. 2 Engine PCB failure. 3 Eject front sensor PCB failure (Error code 84) Registration front/rear sensor PCB failure (Error code 88). 4 HVPS control PCB failure. 5 Engine PCB failure. 6 Main PCB failure.
• Remedy: 1 Toner/new sensor PCB failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the toner/new sensor PCB ASSY. 2 Engine PCB failure Replace the engine PCB ASSY.

• Code: 88
• Description: Paper jam inside the machine
• Causes: 1 Harness connection failure of registration front/rear sensor PCB ASSY and eject front sensor PCB ASSY. 2 Registration rear actuator or paper eject front actuator catching on some position.
• Remedy: 1 Harness connection failure of registration front/rear sensor PCB ASSY and eject front sensor PCB ASSY Check the harness connections of the registration front/rear sensor PCB ASSY and eject front sensor PCB ASSY, and reconnect them. 2 Registration rear actuator or paper eject front actuator catching on some position Correct catching of the registration rear actuator or paper eject front actuator. 3 Eject front sensor PCB failure (Error code 84) Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the eject front sensor PCB ASSY. Registration front/rear sensor PCB failure (Error code 88) Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the registration front/rear sensor PCB ASSY. 4 HVPS control PCB failure Replace the HVPS control PCB ASSY. 5 Engine PCB failure Replace the engine PCB ASSY. 6 Main PCB failure Replace the main PCB ASSY.