• Code: E736 0000
• Description: Communication error with CCU/modem, or no FAX board installed on FAX model.
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. 1. Check the connection of connectors between the Main Controller Board (J601, J602) and the FAX-NCU Board (J1201, J1204). 2. Replace the connectors between the Main Controller Board (J601, J602) and the FAX-NCU Board (J1201, J1204). 3. Replace the FAX-NCU Board. 4. Replace the Main Controller Board.

• Code: E740 0002
• Description: Error detection on either Network Board or Mac address
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. 1. Check the connection of the network cable. 2. Replace the Main Controller Board.

• Code: E744 0002
• Description: Language file error
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. Update the set of the Controller Firmware

• Code: E744 4000
• Description: Engine ID error (Invalid engine connection is detected)
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. 1. Check the DC Controller Board. 2. Update the Engine Firmware. 3. Update the set of the Controller Firmware

• Code: E744 6000
• Description: Communication error with Wireless LAN board.
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. 1. Replace the Wireless LAN Board. 2. Replace the Main Controller Board.

• Code: E760 0001
• Description: The internal reset processing is not completed when print process error occurs.
• Remedy: Turn OFF/ON the power to reset the invalid internal data.

• Code: E806 0000
• Description: Fan Motor cannot rotate at specified revolution speed.
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. 1. Replace the Main Fan Unit. 2. Replace the DC Controller Board.

• Code: E808 0001
• Description: Fixing Assembly_Edge Left Cooling Fan error
• Remedy: When the same error repeatedly occurs after several times of turning the power OFF/ON, execute the following remedies. 1. Replace the Edge Left Cooling Fan. 2. Replace the DC Controller Board.