To reset the drum counter:
- After installing the new drum with toner cartridge, with the front cover open, press the “OPTIONS” button.
- Press “1” to confirm you are installing new drum.
- 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.