Brother DCP9045CDN

• Code: C8
• Description: RAM area for secure data full
• Causes: 1 Main PCB failure
• Remedy: Replace the main PCB ASSY.

• Code: C9
• Description: Defective DIMM is installed.
• Causes:
• Remedy:

• Code: CA
• Description: Excess current to USB device
• Causes: 1 Harness connection failure of USB host relay PCB ASSY. 2 USB host relay PCB failure. 3 Main PCB failure.
• Remedy: 1 Harness connection failure of USB host relay PCB ASSY Check the harness connection of the USB host relay PCB ASSY and reconnect it. 2 USB host relay PCB failure Replace the USB host relay PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: CB
• Description: Belt unit is not installed into the machine.
• Causes: 1 Harness connection failure of density sensor holder ASSY. 2 Density sensor failure. 3 Transfer HVPS PCB unit failure. 4 Engine PCB failure.
• Remedy: 1 Harness connection failure of density sensor holder ASSY Check the harness connection of the density sensor holder ASSY and reconnect it. 2 Density sensor failure Replace the density sensor holder ASSY. 3 Transfer HVPS PCB unit failure Replace the transfer HVPS PCB unit. 4 Engine PCB failure Replace the engine PCB ASSY.

• Code: CC
• Description: Fuser unit is not installed into the machine.
• Causes: 1 Harness connection failure between fuser unit connector and engine PCB. 2 Engine PCB failure. 3 Main PCB failure.
• Remedy: 1 Harness connection failure between fuser unit connector and engine PCB Check the harness connection between the fuser unit connector and engine PCB, and reconnect it. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: CD
• Description: Drum unit is not installed into the machine.
• Causes: 1 Dirt on electrodes on drum unit and front door unit ASSY. 2 Bending of front door unit ASSY electrode contact. 3 Harness connection failure between front door unit ASSY electrode and engine PCB ASSY. 4 Engine PCB failure.
• Remedy: 1 Dirt on electrodes on drum unit and front door unit ASSY Clean both electrodes. (Refer to Fig. 1-1 and Fig 1-2 (P1-33).) 2 Bending of front door unit ASSY electrode contact Correct the electrode bending of the front door unit ASSY. 3 Harness connection failure between front door unit ASSY electrode and engine PCB ASSY Check the harness connection between the front door unit ASSY electrode and engine PCB ASSY. 4 Engine PCB failure Replace the engine PCB ASSY.