• Code: E197-0022
• Description: Serial communication error. HOB serial communication error with the Laser Interface PCB.
• Remedy: 1. Check the connection between the Laser Interface PCB (J5501) and the DC Controller PCB (J1220). 2. Replace the DC Controller PCB. 3. Replace the Laser Interface PCB.

• Code: E197-0023
• Description: Serial communication error. HOB serial communication error with the Laser Interface PCB.
• Remedy: 1. Check the connection between the Laser Interface PCB (J5501) and the DC Controller PCB (J1220). 2. Replace the DC Controller PCB. 3. Replace the Laser Interface PCB.

• Code: E197-0030
• Description: Serial communication error. HOB serial communication (= register serial communication) timeout error with the DC Controller PCB.
• Remedy: 1. Check connection of the DC Controller PCB (J1210). 2. Replace the DC Controller PCB.

• Code: E197-0031
• Description: Serial communication error. HOB serial communication error in the Drum ITB Driver PCB.
• Remedy: 1. Check the connection between the Drum ITB Driver PCB (J1901) and the DC Controller PCB (J1226). 2. Replace the DC Controller PCB. 3. Replace the Drum ITB Driver PCB.

• Code: E197-0032
• Description: Serial communication error. HOB serial communication error with the Laser Interface PCB.
• Remedy: 1. Check the connection between the Laser Interface PCB (J5501) and the DC Controller PCB (J1220). 2. Replace the DC Controller PCB. 3. Replace the Laser Interface PCB.

• Code: E197-0033
• Description: Serial communication error. HOB serial communication error with the Laser Interface PCB.
• Remedy: 1. Check the connection between the Laser Interface PCB (J5501) and the DC Controller PCB (J1220). 2. Replace the DC Controller PCB. 3. Replace the Laser Interface PCB.

• Code: E197-0040
• Description: Serial communication error. Communication error due to poor contact of Drawer Connector with the Fixing Feed Driver PCB.
• Remedy: Replace the PCB and the harness.

• Code: E197-0050
• Description: Serial communication error. Ex serial communication error with the Fixing Feed Driver PCB.
• Remedy: 1. Check the connection between the Fixing Feed Driver PCB (J1551) and the DC Controller PCB (J1222). 2. Replace the DC ControllerPCB. 3. Replace the Fixing Feed Driver PCB.