• Code: E744-0004
• Description: Language file reading error
• Remedy:

• Code: E804-0000
• Description: Failure of the Power Supply Cooloing Fan (FAN6)
  When lock signal is detected for 5 sec while the Power Supply Cooloing Fan (FAN6) is stopped.
  * The same condition is detected after the error retry is performed.
• Remedy: 1.Disconnect and then connect the connector (J205) on the DC Controller PCB (PCB4). 2.Replace the Power Supply Cooloing Fan (FAN6). 3.Replace the DC Controller PCB (PCB4).

• Code: E804-0001
• Description: Unstable rotation of the Power Supply Cooloing Fan (FAN6)
  When lock signal failed to be detected for 5 sec while the Power Supply Cooloing Fan (FAN6) is driven.
  * The same condition is detected after the error retry is performed.
• Remedy: 1.Disconnect and then connect the connector (J205) on the DC Controller PCB (PCB4). 2.Replace the Power Supply Cooloing Fan (FAN6). 3.Replace the DC Controller PCB (PCB4).

• Code: E805-0000
• Description: Failure of the Exhaust Fan (Rear) (FAN3)
  When lock signal is detected for 5 sec while the Exhaust Fan (Rear) (FAN3) is stopped.
  * The same condition is detected after the error retry is performed.
• Remedy: 1.Disconnect and then connect the connector (J206) on the DC Controller PCB (PCB4). 2.Replace the Exhaust Fan (Rear) (FAN3). 3.Replace the DC Controller PCB (PCB4).

• Code: E805-0001
• Description: Unstable rotation of the Exhaust Fan (Rear) (FAN3) or Finisher Fan 1 (M8) or Finisher Fan 2 (M9)
  1.When lock signal failed to be detected for 5 sec while the Exhaust Fan (Rear) (FAN3) is driven.
  2.When lock signal failed to be detected for 5 sec while the Finisher Fan 1 (M8) is driven. 3.When lock signal failed to be detected for 5 sec while the Finisher Fan 2 (M9) is driven.
  * The same condition is detected after the error retry is performed.
• Remedy: 1.Disconnect and then connect the connector (J206) on the DC Controller PCB (PCB4). 2.Replace the Exhaust Fan (Rear) (FAN3). 3.Replace the Finisher Fan 1 (M8). 4.Replace the Finisher Fan 2 (M9). 5.Replace the DC Controller PCB (PCB4).

• Code: E805-0002
• Description: Failure of the Exhaust Fan (Front) (FAN4)
  When lock signal is detected for 5 sec while the Exhaust Fan (Front) (FAN4) is stopped. * The same condition is detected after the error retry is performed.
• Remedy: 1.Disconnect and then connect the connector (J206) on the DC Controller PCB (PCB4). 2.Replace the Exhaust Fan (Front) (FAN4). 3.Replace the DC Controller PCB (PCB4).

• Code: E805-0003
• Description: Unstable rotation of the Exhaust Fan (Front) (FAN4)
  When lock signal failed to be detected for 5 sec while the Exhaust Fan (Front) (FAN4) is driven.
  * The same condition is detected after the error retry is performed.
• Remedy: 1.Disconnect and then connect the connector (J206) on the DC Controller PCB (PCB4). 2.Replace the Exhaust Fan (Front) (FAN4). 3.Replace the DC Controller PCB (PCB4).