• Code: 943
• Description: PU CPU ran away out of control due to noise etc.
• Remedy: Does error reoccur? Yes Power Off/On. Replace the PU/ CU board.

• Code: 944
• Description: An error was detected with accessing the Dcon circuit.
• Remedy: Does error reoccur? Yes Power Off/On. Replace the PU/ CU board.

• Code: 945
• Description: SDRAM access at power on failed.
• Remedy: Does error reoccur? Yes Power Off/On. Replace the PU/ CU board.

• Code: 947
• Description: EMF Missing Error
• Remedy: Does error reoccur? Yes Power Off/On. Replace the PU/ CU board.

• Code: 948
• Description: Detect hopping motor rotate error
• Remedy: Error occurred when hopping motor error detected Power Off/On.

• Code: 982
• Description: Unsupport Tray Error
• Remedy: Are many trays beyond the specification installed? Yes Use trays as many as specified.

• Code: 984
• Description: Black Tag Version Mismatch
• Remedy: Does error reoccur? Yes Power Off/On. Replace the toner cartridge, the image drum or Print Cartridge.

• Code: 999
• Description: The PU/CU firmware has a problem with its compatibility.
• Remedy: