• Code: 100-0302-05
• Description: Laser Scanner error
• Causes: Correction in timing of laser exposure to the Polygon Mirror (C, Bk) was not completed within the specified period of time.
• Remedy: [Related parts] R1.00 - Small-diameter Coaxial Cable connecting from the Riser PCB (J9) to the Laser Driver PCB (C) and (Bk) (UN15/J802 and UN14/J822) - Connector between the Main Controller PCB and the Riser PCB - Harness between the DC Controller PCB (UN1/J171) and the Laser Driver PCB (C) (UN15/J862) - Laser Driver PCB (C) (UN15) - Laser Driver PCB (Bk) (UN14) - Main Controller PCB - Riser PCB - DC Controller PCB (UN1) [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: 102-0101-05
• Description: EEPROM error
• Causes: An error in check sum of EEPROM on the Laser Scanner was detected (Y, M).
• Remedy: [Related parts] R1.00 - Small-diameter Coaxial Cable connecting from the Riser PCB (J9) to the Laser Driver PCB (Y) and (M) (UN13/J101 and UN12/J822) - Laser Driver PCB (Y) (UN13) - Laser Driver PCB (M) (UN12) - Riser PCB [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 102-0301-05
• Description: EEPROM error
• Causes: An error in check sum of EEPROM on the Laser Scanner was detected (C, Bk).
• Remedy: [Related parts] R1.00 - Small-diameter Coaxial Cable connecting from the Riser PCB (J9) to the Laser Driver PCB (C) and (Bk) (UN15/J802 and UN14/J822) - Laser Driver PCB (C) (UN15) - Laser Driver PCB (Bk) (UN14) - Riser PCB [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 112-0000-05
• Description: Laser Shutter Error
• Causes: Home position of the Laser Shutter was not detected.
• Remedy: [Related parts] R1.00 - Harness connecting from the Feed/Drum Driver PCB (UN2/J224) to the Laser Shutter Motor and Laser Shutter Sensor (M28/J6060 and PS29/J6123) - Laser Shutter Sensor (PS29) - Laser Shutter Motor (M28) - Feed/Drum Driver PCB (UN2) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check that the Laser Shutter Motor is properly installed. 2. Check that there is no damage or deformation with the Laser Shutter Sensor Flag. 3. Check/replace the related harness/cable, connector and parts.

• Code: 112-0001-05
• Description: Laser Shutter Error
• Causes: Home position was not detected although the Laser Shutter was closed.
• Remedy: [Related parts] R1.00 - Harness connecting from the Feed/Drum Driver PCB (UN2/J224) to the Laser Shutter Motor and Laser Shutter Sensor (M28/J6060 and PS29/J6123) - Laser Shutter Sensor (PS29) - Laser Shutter Motor (M28) - Feed/Drum Driver PCB (UN2) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check that the Laser Shutter Motor is properly installed. 2. Check that there is no damage or deformation with the Laser Shutter Sensor Flag. 3. Check/replace the related harness/cable, connector and parts.

• Code: 112-0002-05
• Description: Laser Shutter Error
• Causes: Change in home position was not detected while the Laser Shutter was open.
• Remedy: [Related parts] R1.00 - Harness connecting from the Feed/Drum Driver PCB (UN2/J224) to the Laser Shutter Motor and Laser Shutter Sensor (M28/J6060 and PS29/J6123) - Laser Shutter Sensor (PS29) - Laser Shutter Motor (M28) - Feed/Drum Driver PCB (UN2) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check that the Laser Shutter Motor is properly installed. 2. Check that there is no damage or deformation with the Laser Shutter Sensor Flag. 3. Check/replace the related harness/cable, connector and parts.

• Code: 197-0000-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Laser Scanner (Y, M) was detected.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN1/J171) and the Laser Driver PCB (Y) (UN13/J851) - Small-diameter Coaxial Cable connecting from the Riser PCB (J9) to the Laser Driver PCB (Y) and (M) (UN13/J802 and UN12/J822) - Laser Driver PCB (Y) (UN13) - Laser Driver PCB (M) (UN12) - Riser PCB - DC Controller PCB (UN1) [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: 197-0100-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Laser Scanner (C, Bk) was detected.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN1/J171) and the Laser Driver PCB (C) (UN15/J862) - Small-diameter Coaxial Cable connecting from the Riser PCB (J9) to the Laser Driver PCB (C) and (Bk) (UN15/J802 and UN14/J822) - Laser Driver PCB (C) (UN15) - Laser Driver PCB (Bk) (UN14) - Riser PCB - DC Controller PCB (UN1) [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