• Code: E000
• Description: Fixing unit startup defect
• Causes: The detected temperature of the main thermistor does not rise after the heater is energised. Cause: Main thermistor broken wire, fixer heater broken wire, DC controller PCB defect
• Remedy: - Check the connector of the fixing unit, DC controller PCB, fixing power supply unit. - Replace the fixing film unit. - Replace the fixing power supply unit. - Replace the DC controller PCB.

• Code: E001-0000
• Description: Abnormally high temperature in fixing unit
• Causes: The detected temperature of the main thermistor is abnormally high. Cause: Main thermistor defect, DC controller PCB defect
• Remedy: - Check the connector of the fixing unit, DC controller PCB, fixing power supply unit. - Replace the fixing film unit. - Replace the fixing power supply unit. - Replace the DC controller PCB.

• Code: E003-0000
• Description: Abnormally low temperature in fixing unit
• Causes: The detected temperature of the main thermistor becomes lower than the specified one. Cause: Fixing power supply unit defect, main thermistor broken wire, DC controller PCB defect
• Remedy: - Check the connector of the fixing unit, DC controller PCB, fixing power supply unit. - Replace the fixing film unit. - Replace the fixing power supply unit. - Replace the DC controller PCB.

• Code: E004
• Description: Abnormality in fixing unit power supply drive circuitry
• Causes: Zero cross signal could not be detected within specified time limit. Cause: Fixing control circuitry defect
• Remedy: - Check the connector of the fixing power supply unit, DC controller PCB, fixing power supply unit. - Replace the low-voltage power supply PCB.

• Code: E012-0000
• Description: Motor startup abnormality
• Causes: ITB motor speed detection signal frequency does not reach specified frequency after starting to drive the ITB motor. Cause: ITB motor defect, DC controller PCB defect
• Remedy: - Check the connector of the ITB motor, DC controller PCB. - Replace ITB motor - Replace DC controller PCB

• Code: E012-0001
• Description: Motor startup abnormality
• Causes: ITB motor speed detection signal frequency reaches the specified frequency but is then out of synch after 2 sec. or longer of operation. Cause: ITB motor defect, DC controller PCB defect
• Remedy: - Check the connector of the ITB motor, DC controller PCB. - Replace ITB motor - Replace DC controller PCB

• Code: E015-0001
• Description: Developing roller release operation defect
• Causes: After the specified time from rotating the main motor for the developing roller depress/release, the output of the developing home position sensor does not change. Cause: Developing home position sensor defect, Main motor defect, DC controller PCB defect
• Remedy: - Check the connector of the developer home position sensor, main motor, DC controller PCB - Replace the developer home position sensor - Replace the main motor - Replace the DC controller PCB

• Code: E020
• Description: Density sensor abnormality
• Causes: Not enough light received upon image density detection. Cause: Soiled density detection sensor, density detection sensor defect, DC controller PCB defect, toner cartridge defect
• Remedy: - Check the connector of the DC controller PCB. - Replace ITB unit - Replace DC controller PCB - Replace toner cartridge