To reset the drum counter:

  1. After installing the new drum with toner cartridge, with the front cover open, press the “OPTIONS” button.
  2. Press “1” to confirm you are installing new drum.
  3. Shut the front cover, drum unit is reset.

Video Instructions – To watch a video on  installation and reset instruction for machines that use Brother TN350, TN360 & TN450 toner cartridges, please click here.