• Code: E733-0000
• Description: Erroneous communication between controller and printer
  - Cannot communicate with the printer at startup
• Remedy: - Check the connectors of the DC controller PCB and image processor PCB for normal connection. - Check the power supply of the printer (Check whether initialization is performed at startup). - Replace the DC controller PCB or image processor PCB.

• Code: E736-0000
• Description: CCU communication error
  - The installed modem PCB is incompatible.
• Remedy: - Check the connectors of the image processor PCB and modem. - Replace the modem PCB. - Replace the image processor PCB.

• Code: E739-0000
• Description: Erroneous communication between controller and network board
  - The installed network board is incompatible.
• Remedy: - Check the connectors of the image processor PCB and LAN PCB for normal connection. - Replace the LAN PCB. - Replace the image processor PCB.

• Code: E805-0000
• Description: Fan failure
  - The fan is faulty.
• Remedy: - Check the fan connector. - Replace the fan. - Replace the DC controller PCB.

• Code: E808-0000
• Description: Fixing drive circuit failure
  - The heater does not turn on.
  - A fixing drive motor failure was detected.
• Remedy: - Check the connector of the fixing film unit. - Replace the fixing film unit. - Replace the fixing drive motor. - Replace the DC controller PCB. - Replace the power supply PCB.