How to Reset Toner Level on Brother TN2010/TN2220/TN-2010/TN-2220 Toner Cartridge - YouTube
Brother HL-4570CDW: Reset toner cartridge to "full"
How to Manual Reset TN760 Replace Toner Error on Brother HL-L2395DW, MFC-L2350DW, MFC-L2750DW | A step-by-step troubleshooting guide to manually reset "Replace Toner" error message on printer after installation of new TN760
For Brother MFC-L2700DW toner reset on Vimeo
Brother TN-730, TN760, TN770 Toner Reset Instructions - VIDEO -