• Code: E716-0000
• Description: Erroneous communication with optional cassette
  Disconnection of the optional cassette was detected after power-on, detection of normal connection to the optional cassette, and start of communication.
• Remedy: - Check the connectors of the optional cassette PCB and DC controller PCB. - Replace the optional cassette PCB for normal connection. - Replace the DC controller PCB.

• Code: E719-0000
• Description: Erroneous communication with card reader (serial communication)
  - Disconnection from the card reader has been detected since communication started after confirmation of normal connection to the card reader (after power-on) - A serial communication error has occurred. (The serial communication error cannot be recovered.)
• Remedy: - Check the connectors of the card reader and image processor PCB. - Replace the card reader for normal connection. - Replace the image processor PCB.

• Code: E719-0002
• Description: Erroneous communication with coin vendor (serial communication)
  - Disconnection from the coin vendor has been detected since communication started after confirmation of normal connection to the coin vendor (after power-on). - A serial communication error has occurred. (The serial communication error cannot be recovered.)
• Remedy: - Check the connection between the image processor PCB and serial PCB. - Check the connectors of the serial PCB and coin vendor for normal connection. - Replace the serial PCB. - Check the coin vendor. - Replace the image processor PCB.

• 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: E744-0001
• Description: Language file/boot ROM/USB memory error
  The language file version does not match Bootable.
• Remedy: Download a language file of the correct version.

• Code: E744-0002
• Description: Language file/boot ROM/USB memory error
  The language file is longer than the permitted size.
• Remedy: Download a language file of the correct version.