• Code: F6-00
• Description: FAX board communication trouble.
• Causes: No command can be sent from the MCU to the FAX.
• Remedy: Check connection of the FAX board. Replace the FAX board.

• Code: F6-10
• Description: FAX board trouble.
• Causes: FAX controller and FAX board memory abnormality.
• Remedy: Replace the FAX board.

• Code: F6-80
• Description: FAX board communication trouble (Protocol).
  A break error occurs in communication between the MCU and the FAX board.
• Causes: MCU PWB connector connection failure/ Garbled data.
• Remedy: Check connection of the FAX board. Replace the FAX board. Reset the machine (Power OFF/ON).

• Code: F6-81
• Description: FAX board communication trouble (Parity).
  A parity error occurs in communication. between the MCU and the FAX board.
• Causes: MCU PWB connector connection failure/ Garbled data.
• Remedy: Check connection of the FAX board. Replace the FAX board. Reset the machine (Power OFF/ON).

• Code: F6-82
• Description: FAX board communication trouble (Overrun).
  An overrun error occurs in communication between the MCU and the FAX board.
• Causes: MCU PWB connector connection failure/ Garbled data
• Remedy: Check connection of the FAX board. Replace the FAX board. Reset the machine. (Power OFF/ON).

• Code: F6-84
• Description: FAX board communication trouble (Framing).
  A framing error occurs in communication between the MCU and the FAX board.
• Causes: MCU PWB connector connection failure/ Garbled data.
• Remedy: Check connection of the FAX board. Replace the FAX board. Reset the machine (Power OFF/ON).

• Code: F6-88
• Description: FAX board communication trouble (Time out).
  FAX board communication error.
• Causes: There is no respond command from the FAX for 30sec or more.
• Remedy: Check connection of the FAX board. Replace the FAX board. Reset the machine (Power OFF/ON).

• Code: F6-99
• Description: Machine - FAX language error.
  Discrepancy of the destination of the machine and the FAX board.
• Causes: The destination of the machine differs from that of the FAX board.
• Remedy: Change the destination setting with SIM26-6. Replace the FAX board with one which. conforms to the destination of the machine.