• Code: 760-0001-00
• Description: Main Controller PCB internal error
• Causes: An error was detected in the Main Controller PCB.
• Remedy: Check/replace the Main Controller PCB

• Code: 804-0000-00
• Description: Power Supply Cooling Fan error
• Causes: It was detected that the Power Supply Cooling Fan was locked.
• Remedy: [Related parts] R1.00 - Harnesses from the Relay PCB (UN5/J412) and the Power Supply Cooling Fan (FM3/J6122) - Power Supply Cooling Fan (FM3) - Relay PCB (UN5) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 805-0000-05
• Description: Fixing Heat Exhaust Fan Error
• Causes: Rotation error of the Fixing Heat Exhaust Fan 1 was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.01 - Harness between the Feed/Drum Driver PCB (UN2/J217) and the Fixing Heat Exhaust Fan 1 (FM1/J6066) - Fixing Heat Exhaust Fan 1 (FM1) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 805-0001-05
• Description: Fixing Heat Exhaust Fan Error
• Causes: Rotation error of the Fixing Heat Exhaust Fan 2 was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.01 - Harness between the Feed/Drum Driver PCB (UN2/J217) and the Fixing Heat Exhaust Fan 2 (FM2/J6067) - Fixing Heat Exhaust Fan 2 (FM2) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 806-0000-05
• Description: Delivery fan Error
• Causes: Rotation error of the Delivery Fan 1 was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.00 - Harness between the Feed/Drum Driver PCB (UN2/J213) and the Delivery Fan 1 (FM7/J6061) - Delivery Fan 1 (FM7) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 806-0001-05
• Description: Delivery fan Error
• Causes: Rotation error of the Delivery Fan 2 was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.00 - Harness between the Front Driver PCB (UN3/J301) and the Delivery Fan 2 (FM9/J3012) - Delivery Fan 2 (FM9) - Front Driver PCB (UN3) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 806-0002-05
• Description: Secondary Transfer Exhaust Fan Error
• Causes: Rotation error of the Secondary Transfer Exhaust Fan was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.00 - Harness between the Feed/Drum Driver PCB (UN2/J213) and the Secondary Transfer Exhaust Fan (FM8/J6071) - Secondary Transfer Exhaust Fan (FM8) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 807-0000-05
• Description: Process cartridge fan Error
• Causes: Rotation error of the Process Cartridge Fan (Rear) was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.00 - Harness between the Feed/Drum Driver PCB (UN2/J224) and the Process Cartridge Fan (Rear) (FM4/J6124) - Process Cartridge Fan (Rear) (FM4) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts