• Code: E733-0001
• Description: Printer communication error. Communication error between the Main Controller and the DC Controller.
• Remedy: 1. Check the connection of the Connector with the printer. 2. Check the power of the printer (check if the initialization operation is executed at startup). 3. Replace the DC Controller or the Main Controller PCB.

• Code: E733-0002
• Description: Printer communication error. Communication error between the Main Controller and the DC Controller.
• Remedy: 1. Check the connection of the Connector with the printer. 2. Check the power of the printer (check if the initialization operation is executed at startup). 3. Replace the DC Controller or the Main Controller PCB.

• Code: E733-0010
• Description: Printer communication error. Error to detect printer vertical synchronous signal.
• Remedy: 1. Check the connection of the Connector with the printer. 2. Check the power of the printer (check if the initialization operation is executed at startup). 3. Replace the DC Controller or the Main Controller PCB.

• Code: E740-0002
• Description: Network Controller error. Invalid MAC address.
• 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.

• Code: E743-0004
• 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: E744-0001
• Description: Error in language file/BootROM. Version of language in HDD and version of Bootable are different.
• Remedy: Download the correct version of the language file.