Panasonic UF590

• Code: 021
• Description: Thermistor is abnormal. Fuser Control is abnormal. Fan is abnormal.
• Causes: Defective SC PCB. Defective Fuser Unit, Power Supply Unit. Defective Fan.

• Code: 030
• Description: Read Point Sensor does not go ON within 10 seconds after the document starts feeding.
• Causes: Document is not set properly. Defective Read Point Sensor.

• Code: 031
• Description: Transmitting document was longer than 2 meter (or 78.7 in).
• Causes: The document may jam. Defective Read Point Sensor.

• Code: 041
• Description: Out of toner.
• Causes: No toner. Defective Toner Sensor.

• Code: 043
• Description: Low toner.
• Causes: Toner is getting low. Defective Toner Sensor.

• Code: 045
• Description: No Toner Cartridge.
• Causes: Toner cartridge has not been installed. Defective Toner Sensor (Cartridge Sensor).