• Code: EE-EU
• Description: Automatic toner density adjustment error (Under toner)
• Causes: Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
• Remedy: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.

• Code: F0-03
• Description: Finisher paper exit roller lift motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown
• Remedy: Use SIM3-3 to check the operation of the paper exit roller lift motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-08
• Description: Finisher stapler shift motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the stapler shift motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-10
• Description: Finisher stapler motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown
• Remedy: Use SIM3-3 to check the operation of the staple motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-11
• Description: Finisher bundle exit motor trouble
• Causes: Motor lock, motor harness short/open, control PWB trouble, HP sensor breakdown, disconnection of harness or connector.
• Remedy: Use SIM3-3 to check the operation of the gripper arm motor (FNM116). Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F0-14
• Description: Finisher paper rear edge falling motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the rear edge falling motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-15
• Description: Finisher tray lift motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown, area sensor breakdown
• Remedy: Use SIM3-3 to check the operation of the upper tray lift motor and the lower tray lift motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, and motor, and the sensor part.

• Code: F0-18
• Description: Finisher rear edge hold motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the paper hold motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.