Causes: The AC power has been shut off due to a power failure, unplugged, power supply board failure, or main board failure or the like.
Remedy: Check the connection of the AC cable, and if there is abnormality, correct it. Replace the Power Supply Board Assy. Replace the Main Board Assy.
Code: Dxxx
Description: Debug error
Causes: This is a debug error that occurs at product development. In principle, it does not occur for mass-produced products; however, it might occur due to unexpected causes such as external noises.
Remedy: 1. Restart the printer. If the error does not occur, observe the printer for recurrence. 2. Re-install the firmware. 3. Replace the Main Board Assy.