Check the following points:

• Is the media suitable? Replace the media with a recommend size and type, and confirm that your printer driver settings are correct.

• Is the paper damp? Replace the paper.

• The toner cartridge might be old or damaged. Replace the toner cartridge. To see how to replace the toner cartridge, click here.

• Is the printer driver Toner Save Mode active? In the printer driver, deactivate the Toner Save Mode. To see how to deactivate the Toner Save Mode, click here.

• The power supply is defective. If the problem continues, we recommend you contact your dealer or Brother Customer Service.