Brother MFC-L2732DW

Horizontal stripes

User Check

• This problem may disappear after printing multiple sheets of paper.
• Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a cotton applicator.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.

Step	Cause	Remedy
1	Dirty charge electrodes	Clean the electrodes of the drum unit and those of the machine.
2	Dirt on the exposure drum	Perform drum cleaning.
3	A ground wire or ground plate installation failure (Grounding is not performed correctly.)	Retighten the screws of each ground wire or ground plate. Repair the bend of the tray ground spring of the paper tray.
4	Scratch or dirt on the fuser unit	Replace the fuser unit.
5	High-voltage power supply PCB failure	Replace the high-voltage power supply PCB ASSY.

White vertical streaks on image

User Check

• Check that there is no dust on the toner cartridge.
• Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a cotton applicator.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.

Step	Cause	Remedy
1	Dirt on the exposure drum	Perform drum cleaning.
2	Laser unit failure	Replace the laser unit.

White horizontal stripes on image

User Check

• This problem may disappear after printing multiple sheets of paper.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.

Step	Cause	Remedy
1	Dirty charge electrodes	Clean the electrodes of the drum unit and those of the machine.
2	Dirt on the exposure drum	Perform drum cleaning.
3	Scratch or dirt on the fuser unit	Replace the fuser unit.
4	High-voltage power supply PCB failure	Replace the high-voltage power supply PCB ASSY.

Faint print

User Check

• Check that the machine is positioned on a level surface.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.

Step	Cause	Remedy
1	Laser unit failure	Replace the laser unit.
2	Fuser unit failure	Replace the fuser unit.
3	Main PCB failure	Replace the main PCB ASSY.