How to reset toner counter in Brother HL-L2370DW

Remember to remove the small PCB (the chip) from your old starter/genuine toner and get it installed to your new 3rd party toner replacement.

1. Open toner cover
2. Press and release the "Back" and "Green" buttons at the same time and then press the "Back" button again.
3. "TNR-STR" will show up
   
4. Use "UP" or "Down" button to select "TNR-HC" and then press the "OK" button
5. Printer should display "Reset" and "Exit", Choose the option to reset.
6. The display will briefly say "Accepted". 
7. Close the printer's front cover. 

 Here are the options that will come up on the display:

TNR-STR – starter toner cartridge
TNR-STD – standard capacity toner cartridge
TNR-HC – high capacity toner cartridge
TNR-S.HC – super high capacity toner cartridge