• Code: 2003
• Description: FLASH BOOT SUM CHECK error
  Installation of the firmware has been failed. The Flash ROM has a defect.
• Remedy: Re-install the firmware. Replace the Main Board Assy. Replace the Main Board Assy.

• Code: 200A
• Description: F/W load error
  Reading/decompressing the firmware has been failed.
• Remedy: Re-install the firmware. Replace the Main Board Assy.

• Code: 200D
• Description: System interrupt watchdog time-out error
  A system failure such as CPU failure, defective cash or the like has occurred.
• Remedy: Replace the Main Board Assy.

• Code: 200E
• Description: Unknown NMI
  The CPU has detected an unknown NMI.
• Remedy: Replace the Main Board Assy.

• Code: 2010
• Description: UART communication error
  Connection between the HEAD_B Board Assy and the Main Board Assy has an abnormality.
• Remedy: Check the connection between the HEAD_B Board Assy and the Main Board Assy. Replace the Main Board Assy. Replace the Ink holder Board Assy (Ink Cartridge Holder L/R). (See P.275, P.282

• Code: 3000
• Description: AC shut-off
  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: D131
• Description: AID error
  AID function is not working.
• Remedy: Perform the AID Function check.

• Code: Dxxx
• Description: Debug error
  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.