• Code: E355 0000
• Description: System error
• Causes: System error
• Remedy: Contact to the sales company's HQ .

• Code: E355 0004
• Description: System error
• Causes: System error
• Remedy: Contact to the sales company's HQ .

• Code: E355 0005
• Description: System error
• Causes: System error
• Remedy: Contact to the sales company's HQ .

• Code: E719 0000
• Description: Card Reader communication error (serial communication)
• Causes: Communication with the Card Reader could not be started at startup.
• Remedy: 1. After turning OFF the power, check the connection of the Card Reader-F1 and the short connector [A], and turn ON the power 2. After turning OFF the power, replace the cable included in the package of the Card Reader-F1 or the Copy Card Reader Attachment-J1, and turn ON the power.

• Code: E732 0000
• Description: Scanner communication error
• Causes: Scanner communication error
• Remedy: 1. Check the connector connection 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: E733 0000
• Description: Printer communication error
• Causes: Communication error between the Engine Controller PCB and the Main Controller PCB occurred.
• Remedy: 1. Check the connector connection 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: E736 0001
• Description: Error in ROM for backing up fax data
• Causes: An error occurred in ROM for backing up fax data
• Remedy: 1. Install the set of the controller firmware. 2. Replace the Main Controller PCB.