• Code: E806-0300-05
• Description: Delivery Cooling Fan error
• Causes: The Delivery Cooling Fan did not rotate for the specified period of time since the start of drive.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN04/J151) and the Delivery Cooling Fan (FM03/ J5413) - Delivery Cooling Fan (FM03) - DC Controller PCB (UN04) [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: E806-0301-05
• Description: Delivery Cooling Fan error
• Causes: The Delivery Cooling Fan rotated for more than the specified period of time after the stop of drive.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN04/J151) and the Delivery Cooling Fan (FM03/ J5413) - Delivery Cooling Fan (FM03) - DC Controller PCB (UN04) [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: E806-0400-05
• Description: Duplex Cooling Fan error
• Causes: The Duplex Cooling Fan in the Right Cover did not rotate for the specified period of time since the start of drive.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN04/J122) and the Duplex Cooling Fan (FM04/J5610) - Duplex Cooling Fan (FM04) - DC Controller PCB (UN04) [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: E806-0401-05
• Description: Duplex Cooling Fan error
• Causes: The Duplex Cooling Fan in the Right Cover rotated for more than the specified period of time after the stop of drive.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN04/J122) and the Duplex Cooling Fan (FM04/J5610) - Duplex Cooling Fan (FM04) - DC Controller PCB (UN04) [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: E808-0001-05
• Description: Zero cross signal detection error
• Causes: An electrical trouble caused by zero cross signal error. Frequency between 43 Hz and 57 Hz could not be detected for 5000 msec or longer.
• Remedy: [Related parts] R1.00 - Harness between the Low-voltage Power Supply PCB (UN01/J322) and the DC Controller PCB (UN04/J22) - Low-voltage Power Supply PCB (UN01) - DC Controller PCB (UN04) [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: E880-0001-00
• Description: Controller Cooling Fan error
• Causes: It was detected that the Controller Cooling Fan was locked.
• Remedy: [Related parts] R1.00 - Controller Cooling Fan - Main Controller PCB (UN81) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: E880-0003-00
• Description: Controller Cooling Fan error
• Causes: It was detected that the Controller Cooling Fan was locked.
• Remedy: [Related parts] R1.00 - Controller Cooling Fan - Main Controller PCB (UN81) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: E880-0005-00
• Description: Controller Cooling Fan error
• Causes: Fan lock of the HDD Cooling Fan was detected
• Remedy: Check if the connector is connected. It the connection is OK, replace the HDD Cooling Fan.