Brother DCP-L8450CDW

• Code: DA00
• Display:
• Description: After the initialization of the panel PCB, no response was sent from the panel PCB for a period of time.
• Remedy: 1 The version of the panel firmware and the main firmware do not match Install the latest panel firmware and main firmware. 2 Connection failure of the panel PCB harness Reconnect the panel PCB harness. 3 Connection failure of the touch panel flat cable Reconnect the touch panel flat cable. 4 Connection failure of the Key PCB flat cable Reconnect the key PCB flat cable. 5 Panel PCB failure Replace the panel PCB unit. 6 Touch panel ASSY failure Replace the touch panel ASSY. 7 Key PCB failure Replace the panel cover ASSY. 8 Main PCB failure Replace the main PCB ASSY.

• Code: DB00
• Display: Print Unable DB Turn the power off and then back on again.
• Description: USB communication between the main PCB and panel PCB is unavailable.
• Remedy: 1 The version of the panel firmware and the main firmware do not match Install the latest panel firmware and main firmware. 2 Connection failure of the panel PCB harness Reconnect the panel PCB harness. 3 Connection failure of the touch panel flat cable Reconnect the touch panel flat cable. 4 Connection failure of the Key PCB flat cable Reconnect the key PCB flat cable. 5 Panel PCB failure Replace the panel PCB unit. 6 Touch panel ASSY failure Replace the touch panel ASSY. 7 Key PCB failure Replace the panel cover ASSY. 8 Main PCB failure Replace the main PCB ASSY.

• Code: E000
• Display: Print Unable E0 Turn the power off and then back on again.
• Description: Some ROM checksum error occurred.
• Remedy: < User Check > - Install the latest firmware.
  1 Main PCB failure Replace the main PCB ASSY.

• Code: E100
• Display: Print Unable E1 Turn the power off and then back on again.
• Description: Program error.
• Remedy: < User Check > - Install the latest firmware.
  1 Main PCB failure Replace the main PCB ASSY.

• Code: E400
• Display: Print Unable E4 Turn the power off and then back on again.
• Description: The failed DIMM is installed, or the DIMM is not installed correctly.
• Remedy: < User Check > - Install the DIMM correctly. - Install the latest firmware
  1 Main PCB failure Replace the main PCB ASSY.

• Code: E500
• Display: Print Unable E5 Turn the power off and then back on again.
• Description: Error occurred when DRAM on the main PCB ASSY was accessed.
• Remedy: 1 Main PCB failure Replace the main PCB ASSY.