• Code: 804-0004-05
• Description: Developing and Pre-transfer Charging Fan error
• Causes: It was detected that the Developing and Pre-transfer Charging Fan was locked.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1908) and the Developing and Pre-transfer Charging Fan (FM4/J7149) - Developing and Pre-transfer Charging Fan (FM4) - Drum Driver PCB (UN6) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 804-0005-05
• Description: Color Cleaning Fan error
• Causes: It was detected that the Color Cleaning Fan was locked.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1908) and the Color Cleaning Fan (FM5/J7112) - Color Cleaning Fan (FM5) - Drum Driver PCB (UN6) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 804-0006-05
• Description: Fixing Heat Fan error
• Causes: It was detected that the Fixing Heat Fan was locked.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN2/J1226) and the Fixing Heat Fan (FM6/J7520) - Fixing Heat Fan (FM6) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC Controller PCB, back up the service mode data (approx. 2 min) and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 804-0007-05
• Description: IH Power Supply Fan error
• Causes: It was detected that the IH Power Supply Fan was locked.
• Remedy: [Related parts] R1.00 - Harness between the IH Power Supply PCB (UN30/J521) and the IH Power Supply Fan (FM7/ J7403) - Harness between the Pickup Feed Driver PCB (UN4/J1489) and the IH Power Supply PCB (UN30/J501) - IH Power Supply Fan (FM7) - IH Power Supply PCB (UN30) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 804-0010-05
• Description: Delivery Heat Fan error
• Causes: It was detected that the Delivery Heat Fan 1 was locked.
• Remedy: [Related parts] R1.00 - Harness between the Pickup Feed Driver PCB (UN4/J1408) and the Delivery Heat Fan 1 (FM10/ J7161) - Delivery Heat Fan 1 (FM10) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 804-0011-05
• Description: Delivery Heat Fan error
• Causes: It was detected that the Delivery Heat Fan 2 was locked.
• Remedy: [Related parts] R1.00 - Harness between the Pickup Feed Driver PCB (UN4/J1408) and the Delivery Heat Fan 2 (FM11/ J7541) - Delivery Heat Fan 2 (FM11) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 804-0012-05
• Description: Delivery Heat Fan error
• Causes: It was detected that the Delivery Heat Fan 3 was locked.
• Remedy: [Related parts] R1.00 - Harness between the Pickup Feed Driver PCB (UN4/J1414) and the Delivery Heat Fan 3 (FM12/ J7542) - Delivery Heat Fan 3 (FM12) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 804-0013-05
• Description: Delivery Heat Fan error
• Causes: It was detected that the Delivery Heat Fan 4 was locked.
• Remedy: [Related parts] R1.00 - Harness between the Pickup Feed Driver PCB (UN4/J1414) and the Delivery Heat Fan 4 (FM13/ J7543) - Delivery Heat Fan 4 (FM13) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.