• Code: 197-3008-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Developing High Voltage PCB (CL) was detected.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN2/J1254) and the Developing High Voltage PCB (CL) (UN40/J3045) - Developing High Voltage PCB (CL) (UN40) - 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: 197-3009-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Buffer Driver PCB was detected.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN2/J1226) and the Buffer Driver PCB (UN98/J2102) - Buffer Driver PCB (UN98) - 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: 197-300A-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Developing Assembly Control PCB was detected.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN2/J1252) and the Developing Assembly Control PCB (UN96/J1308) - Developing Assembly Control PCB (UN96) - 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: 197-300B-05
• Description: Serial communication error
• Causes: A communication error in the DC Controller PCB was detected.
• Remedy: Check/replace the DC Controller PCB (UN2). [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: 197-5001-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Laser Interface PCB was detected. (Detection at the DC Controller PCB side)
• Remedy: [Related parts] R1.00 - Harnesses between the DC Controller PCB (UN2/J1220 and J1221) and the Laser Interface PCB (UN106/J10 and J16) - Laser Interface PCB (UN106) - 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: 197-5002-05
• Description: Serial communication error
• Causes: A communication error between the DC Controller PCB and the Laser Interface PCB was detected. (Detection at the Laser Interface PCB side)
• Remedy: [Related parts] R1.00 - Harnesses between the DC Controller PCB (UN2/J1220 and J1221) and the Laser Interface PCB (UN106/J10 and J16) - Laser Interface PCB (UN106) - 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: 197-5004-05
• Description: Serial communication error
• Causes: A communication error between the Laser Interface PCB and the Riser PCB was detected.
• Remedy: [Related parts] R1.00 - Harnesses between the Laser Interface PCB (UN106/J73 and J74) and the Riser PCB (UN159/ J71 and J72) - Laser Interface PCB (UN106) - Riser PCB (UN159) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 197-5103-05
• Description: Serial communication error
• Causes: A communication error between the Laser Interface PCB and the Laser Driver PCB (Y) was detected.
• Remedy: [Related parts] R1.00 - FFC between the Laser Interface PCB (UN106/J2 and J3) and the Laser Driver PCB (Y) (UN107/ J1 and J2) - Laser Scanner Unit (Y) - Laser Driver PCB (Y) (UN107) - Laser Interface PCB (UN106) [Remedy] Check/replace the related harness/cable, connector and parts.