• Code: E805-0003
• Description: Error in rotation of the Heat Exhaust Fan (Front) (FM5)
  A lock signal was detected for 5 seconds while the Heat Exhaust Fan (Front) (FM5) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J212) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Heat Exhaust Fan (Front) (FM5). 3. Replace the DC Controller PCB (PCB1).

• Code: E820-0000
• Description: Developing Cooling Fan (Front) (FM7) error
  A lock signal was detected for 5 seconds while the Developing Cooling Fan (Front) (FM7) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J209) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Developing Cooling Fan (Front) (FM7). 3. Replace the DC Controller PCB (PCB1).

• Code: E820-0001
• Description: Error in rotation of the Developing Cooling Fan (Front) (FM7)
  A lock signal could not be detected for 5 seconds while the Developing Cooling Fan (Front) (FM7) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J209) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Developing Cooling Fan (Front) (FM7). 3. Replace the DC Controller PCB (PCB1).

• Code: E820-0002
• Description: Developing Cooling Fan (Rear) (FM8) error
  A lock signal was detected for 5 seconds while the Developing Cooling Fan (Rear) (FM8) was being stopped. *The same status was detected again after executing an error retry
• Remedy: 1. Disconnect and then connect the connector (J209) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Developing Cooling Fan (Rear) (FM8). 3. Replace the DC Controller PCB (PCB1).

• Code: E820-0003
• Description: Error in rotation of the Developing Cooling Fan (Rear) (FM8)
  A lock signal was detected for 5 seconds while the Developing Cooling Fan (Rear) (FM8) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J209) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Developing Cooling Fan (Rear) (FM8). 3. Replace the DC Controller PCB (PCB1).

• Code: E822-0000
• Description: Delivery Cooling Fan (Front) (FM3) error
  A lock signal was detected for 5 seconds while the Delivery Cooling Fan (Front) (FM3) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J210) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Delivery Cooling Fan (Front) (FM3). 3. Replace the DC Controller PCB (PCB1).

• Code: E822-0001
• Description: Error in rotation of the Delivery Cooling Fan (Front) (FM3)
  A lock signal was detected for 5 seconds while the Delivery Cooling Fan (Front) (FM3) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J210) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Delivery Cooling Fan (Front) (FM3). 3. Replace the DC Controller PCB (PCB1).

• Code: E822-0002
• Description: Delivery Cooling Fan (Center) (FM2) error
  A lock signal was detected for 5 seconds while the Delivery Cooling Fan (Center) (FM2) was being driven. *The same status was detected again after executing an error retry.
• Remedy: 1. Disconnect and then connect the connector (J210) on the DC Controller PCB (PCB1) to check the connection. 2. Replace the Delivery Cooling Fan (Center) (FM2). 3. Replace the DC Controller PCB (PCB1).