If you have installed a Brother TN-2350 toner in your Brother HL-L2305W and it is still showing the "Toner is Low" or "Replace Toner" message then you may need to do a manual reset. Follow the directions below and it will reset the cartridge to Full again.
Brother HL-L2305W Toner reset ProcedureOpen the front cover, and leave it open while completing the following steps.
Turn the printer OFF.
Hold the ‘GO’ button down while turning the printer on.
After 3 seconds release the ‘GO’ button.
"USER MODE" will appear.
Press the "GO" button NINE times.
The Wi-Fi LED will flash once.
Press the "GO" button 5 times.
Close the cover. The toner is now reset