Brother TN420 TN450 TN2210 TN2220: refill and reset toner cartridge. How to Brother toner reset. - YouTube
Clearing "Replace Toner" with a TN2410 or TN2420
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
How To Reset Toner on Brother MFC-L2710DW | Brother Software