• Code: E355 0000
• Description: System error
• Causes: System error
• Remedy: Contact to the sales companies.

• Code: E355 0004
• Description: System error
• Causes: System error
• Remedy: Contact to the sales companies.

• Code: E355 0005
• Description: System error
• Causes: System error
• Remedy: Contact to the sales companies.

• Code: E719 0000
• Description: Card Reader communication error (serial communication)
• Causes: Communication with the Card Reader could not be started at startup.
• Remedy: 1. Check the connection of the Card Reader-F1, and turn OFF and then ON the main power switch. 2. Remove the Card Reader-F1. NOTE: After performing the remedy work above, go through the following to clear the error: COPIER> FUNCTION> CLEAR> E719- CLR.

• Code: E733 0000
• Description: Printer communication error
• Causes: Communication error between the Engine Controller PCB and the Main Controller PCB occurred.
• Remedy: 1. Check the connection of connector between the Engine Controller PCB and the Main Controller PCB. 2. Install the set of the controller firmware. 3. Replace the Main Controller PCB. 4. Replace the Engine Controller PCB.

• Code: E736 0000
• Description: Communication error with CCU/modem
• Causes: Communication error with CCU/modem. NCU PCB type error.
• Remedy: 1. Install the set of the controller firmware. 2. Replace the NCU PCB. 3. Replace the Main Controller PCB.

• Code: E744 0001
• Description: Language file version error
• Causes: Language file version was not matched with the main program.
• Remedy: Install the set of the controller firmware.

• Code: E744 0002
• Description: Language file size error
• Causes: The size of the language file exceeded the upper limit.
• Remedy: Install the set of the controller firmware.