• Code: E732-9999
• Description: Detection of Reader
  The Reader is detected for the first time with the printer model. (On the user screen, only the message"Turn OFF and then ON the power again", instead of an error code, is displayed. It is recorded as an error log in Service Mode > DISPLAY > ERR.)
• Remedy:

• Code: E733-0000
• Description: Printer communication error
  Communication error between the Main Controller PCB 2 and the DC Controller PCB.
• Remedy: 1. Check the cable connection (connector connection error/ open circuit). DC Controller PCB: J441, J442, Main Controller PCB 2: J21, J22 2. Replace the DC Controller PCB/Main Controller PCB 2.

• Code: E733-0001
• Description: Printer communication error
  Communication error between the Main Controller PCB 2 and the DC Controller PCB.
• Remedy: 1. Check the cable connection (connector connection error/ open circuit). DC Controller PCB: J441, J442, Main Controller PCB 2: J21, J22 2. Replace the DC Controller PCB/Main Controller PCB 2.

• Code: E733-0002
• Description: Printer communication error
  Communication error between the Main Controller PCB 2 and the DC Controller PCB.
• Remedy: 1. Check the cable connection (connector connection error/ open circuit). DC Controller PCB: J441, J442, Main Controller PCB 2: J21, J22 2. Replace the DC Controller PCB/Main Controller PCB 2.

• Code: E733-0010
• Description: Printer communication error
  Communication error between the Main Controller PCB 2 and the DC Controller PCB.
• Remedy: 1. Check the cable connection (connector connection error/ open circuit). DC Controller PCB: J441, J442, Main Controller PCB 2: J21, J22 2. Replace the DC Controller PCB/Main Controller PCB 2.

• Code: E740-0002
• Description: Network Controller error
• Remedy: 1. Check the connection of the LAN Connector. 2. Check the connection of the Main Controller PCB 1. 3. Replacement of the Main Controller PCB 1.

• Code: E743-0000
• Description: DDI communication error
  The Reader Controller PCB detected the communication error between the Main Controller PCB and the Reader Controller PCB.
• Remedy: 1. Connection error between the Main Controller PCB and the Reader Controller PCB. 2. Failure of the Reader Controller PCB (PCB1). 3. Failure of the Main Controller PCB.

• Code: E743-0003
• Description: DDI communication error
  The Reader Controller PCB detected the communication error between the Main Controller PCB and the Reader Controller PCB.
• Remedy: 1. Connection error between the Main Controller PCB and the Reader Controller PCB. 2. Failure of the Reader Controller PCB (PCB1). 3. Failure of the Main Controller PCB.