Panasonic UF4600

• Code: 068
• Description: Rear Cover is open.
• Causes: 1. Cover is not firmly closed. 2. Connectors are not firmly connected.

• Code: 090
• Description: Malfunction of high voltage unit.
• Causes: 1. HVPS is defective. 2. Drum cartridge defective.

• Code: 091
• Description: Cooling down the fuser unit.
• Causes: The fuser unit temperature is unstable. Wait until the “PLEASE WAIT“ is disappeared. This is normal operation.

• Code: 092
• Description: The drum cartridge is reaching the end of its life.
• Causes: 1. The drum cartridge is reaching the end of its life.

• Code: 093
• Description: The unit is operated under the low-temperature environment which is not covered under warranty.
• Causes: 1. Thermistor defective (Operation Panel Board).

• Code: 094
• Description: Malfunction of drum cartridge.
• Causes: 1. Mixing Paddle defective. 2. Defective Toner Sensor.