Brother MFC9120CN

• Code: 29
• Description: Belt cleaner drive motor error
• Causes: 1 Harness connection failure of motor. 2 Motor failure. 3 Engine PCB failure. 4 Main PCB failure. 5 Low-voltage power supply PCB failure.
• Remedy: 1 Harness connection failure of motor Check the harness connection of the appropriate motor and reconnect it. 2 Motor failure Replace the appropriate motor. 3 Engine PCB failure Replace the engine PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY. 5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY.

• Code: 2A
• Description: Develop release motor error
• Causes: 1 Harness connection failure of develop release motor. 2 Develop release motor failure. 3 Engine PCB failure. 4 HVPS control PCB failure. 5 Main PCB failure.
• Remedy: 1 Harness connection failure of develop release motor Check the harness connection of the develop release motor and reconnect it. 2 Develop release motor failure Replace the develop release motor ASSY. 3 Engine PCB failure Replace the engine PCB ASSY. 4 HVPS control PCB failure Replace the HVPS control PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

• Code: 2C
• Description: Toner/New sensor PCB error (K)
• Causes: 1 Toner/new sensor PCB failure. 2 Engine PCB failure. 3 Main PCB failure.
• Remedy: 1 Toner/new sensor PCB failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the toner/new sensor PCB ASSY. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 2D
• Description: Toner/New sensor PCB error (Y)
• Causes: 1 Toner/new sensor PCB failure. 2 Engine PCB failure. 3 Main PCB failure.
• Remedy: 1 Toner/new sensor PCB failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the toner/new sensor PCB ASSY. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 2E
• Description: Toner/New sensor PCB error (M)
• Causes: 1 Toner/new sensor PCB failure. 2 Engine PCB failure. 3 Main PCB failure.
• Remedy: 1 Toner/new sensor PCB failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the toner/new sensor PCB ASSY. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 2F
• Description: Toner/New sensor PCB error (C)
• Causes: 1 Toner/new sensor PCB failure. 2 Engine PCB failure. 3 Main PCB failure.
• Remedy: 1 Toner/new sensor PCB failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the toner/new sensor PCB ASSY. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.