• Code: 7F
• Description: Fax paper setting mismatch (The setting paper becomes besides the A4/Letter/Legal/Folio.)
• Causes: Main PCB failure
• Remedy: 1 Main PCB failure Replace the main PCB ASSY.

• Code: 80
• Description: Fax paper size is incorrect (The registration rear sensor detected the paper that is smaller than the letter size.)
• Causes: Registration front actuator catching in some position. Main PCB failure.
• Remedy: 1 Registration front actuator catching in some position Re-assemble the registration front actuator. 2 Main PCB failure Replace the main PCB ASSY.

• Code: 84
• Description: Jam Rear. Paper jam in the rear of the machine (It is detects by the eject sensor)
• Causes: Harness connection failure of registration front sensor PCB ASSY, registration rear sensor PCB ASSY or paper eject sensor PCB ASSY. Registration front actuator, registration rear actuator or paper eject actuator not operating smoothly or catching in some position. Paper eject sensor PCB failure. Registration front sensor PCB failure. Registration rear sensor PCB failure. Registration ground spring failure.
• Remedy: 1 Harness connection failure of registration front sensor PCB ASSY, registration rear sensor PCB ASSY or paper eject sensor PCB ASSY Check the harness connections of the registration front sensor PCB ASSY, registration rear sensor PCB ASSY and paper eject sensor PCB ASSY, and reconnect them. 2 Registration front actuator, registration rear actuator or paper eject actuator not operating smoothly or catching in some position. Ensure smooth operation of the registration front actuator, registration rear actuator or paper eject actuator and ensure they are not catching in any positions. 3 Paper eject sensor PCB failure Check the sensor performance ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the eject sensor PCB ASSY. 4 Registration front sensor PCB failure Check the sensor performance ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the registration front sensor PCB ASSY. 5 Registration rear sensor PCB failure Check the sensor performance ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the registration rear sensor PCB ASSY. 6 Registration ground spring failure Re-assemble the registration ground spring. (Refer to figure below.) 7 Main PCB failure Replace the main PCB ASSY.

• Code: 88
• Description: Jam Inside. Paper jam inside the machine (It is detects by the registration rear sensor)
• Causes: Harness connection failure of registration front sensor PCB ASSY, registration rear sensor PCB ASSY or paper eject sensor PCB ASSY. Registration front actuator, registration rear actuator or paper eject actuator not operating smoothly or catching in some position. Paper eject sensor PCB failure. Registration front sensor PCB failure. Registration rear sensor PCB failure. Registration ground spring failure.
• Remedy: 1 Harness connection failure of registration front sensor PCB ASSY, registration rear sensor PCB ASSY or paper eject sensor PCB ASSY Check the harness connections of the registration front sensor PCB ASSY, registration rear sensor PCB ASSY and paper eject sensor PCB ASSY, and reconnect them. 2 Registration front actuator, registration rear actuator or paper eject actuator not operating smoothly or catching in some position. Ensure smooth operation of the registration front actuator, registration rear actuator or paper eject actuator and ensure they are not catching in any positions. 3 Paper eject sensor PCB failure Check the sensor performance ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the eject sensor PCB ASSY. 4 Registration front sensor PCB failure Check the sensor performance ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the registration front sensor PCB ASSY. 5 Registration rear sensor PCB failure Check the sensor performance ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the registration rear sensor PCB ASSY. 6 Registration ground spring failure Re-assemble the registration ground spring. (Refer to figure below.) 7 Main PCB failure Replace the main PCB ASSY.

• Code: 8A
• Description: Paper jam in Tray 1 (T1) (It is detects by the registration front sensor)
• Causes: Harness connection failure of registration front sensor PCB ASSY. Paper feed roller worn out. Registration front sensor PCB failure. Main PCB failure.
• Remedy: 1 Harness connection failure of registration front sensor PCB ASSY Check the harness connection of the registration front sensor PCB ASSY in the appropriate tray, and reconnect it. 2 Paper feed roller worn out Replace the paper feed roller. 3 Registration front sensor PCB failure Check the sensor performance following the procedure ( p.183 "Operational Check of Sensors (Function code 32)"). If any problem occurs, replace the registration front sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

• Code: 8D
• Description: Paper jam near paper eject tray (When power on, it is detects by the eject sensor.)
• Causes: Paper eject actuator not operating smoothly catching in some position. Eject sensor PCB ASSY failure. Main PCB failure.
• Remedy: 1 Paper eject actuator not operating smoothly catching in some position. Re-assemble the paper eject actuator. Ensure the paper eject sensor operates smoothly. 2 Eject sensor PCB ASSY failure Replace the eject sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 9F
• Description: Paper empty (It is detects by the registration front sensor)
• Causes: Registration front actuator catching in some position. Registration front sensor PCB harness connection failure. Registration front sensor PCB failure. Main PCB failure.
• Remedy: 1 Registration front actuator catching in some position Re-assemble the registration front actuator. 2 Registration front sensor PCB harness connection failure Check the harness connection of the registration front sensor PCB and reconnect it. 3 Registration front sensor PCB failure Replace the registration front sensor PCB. 4 Main PCB failure Replace the main PCB ASSY.

• Code: A1
• Description: Front cover open
• Causes: Harness connection failure of cover sensor harness ASSY. Cover sensor harness ASSY failure. Main PCB failure.
• Remedy: 1 Harness connection failure of cover sensor harness ASSY. Check the harness connection of the cover sensor harness ASSY, and reconnect it. 2 Cover sensor harness ASSY failure Replace the cover sensor harness ASSY. 3 Main PCB failure Replace the main PCB ASSY.