Brother MFC9340CDW

• Code: D100
• Display: Print Unable D1 See Troubleshooting and routine maintenance chapter in User's Guide.
• Description: An error occurred during modem initialization.
• Causes: 1 Modem PCB failure 2 Main PCB failure
• Remedy: Replace the modem PCB ASSY. Replace the main PCB ASSY.

• Code: D200
• Display: Machine Error
• Description: The machine detected that the modem PCB was disconnected.
• Causes: 1 Modem PCB harness connection failure 2 Modem PCB failure 3 Main PCB failure
• Remedy: Check the modem PCB harness connection and reconnect it. Replace the modem PCB ASSY. Replace the main PCB ASSY.

• Code: D800
• Display: Touchscreen initialization failed Remove any material which is on the touchscreen.
• Description: An error occurred during touch panel initialization.
• Causes: 1 Touch panel ASSY harness connection failure 2 Touch panel ASSY failure 3 Main PCB failure
• Remedy: Check the touch panel ASSY harness connection and reconnect it. Replace the touch panel ASSY. Replace the main PCB ASSY.

• Code: D900
• Display: -
• Description: An error occurred during panel PCB initialization.
• Causes: 1 Panel PCB harness connection failure 2 Panel PCB failure 3 Main PCB failure
• Remedy: Check the panel PCB harness connection and reconnect it. Replace the panel cover ASSY. Replace the main PCB ASSY.

• Code: DA00
• Display: -
• Description: After the initialization of the panel PCB, no response was sent from the panel PCB for a period of time.
• Causes: 1 Panel PCB failure 2 Main PCB failure
• Remedy: Replace the panel cover ASSY. Replace the main PCB ASSY.

• Code: DB00
• Display: Print Unable DB Turn the power off and then back on again.
• Description: Communication between the main PCB and panel PCB is unavailable.
• Causes: 1 Panel PCB harness connection failure 2 Panel PCB failure 3 Main PCB failure
• Remedy: Check the panel PCB harness connection and reconnect it. Replace the panel cover ASSY. Replace the main PCB ASSY.