Printer keeps showing 'Replace Toner' message after installing the Cartridge - Brother TN-1030/1050

 

1) Switch-off the printer

2) Press and hold the on/off button

3) When all the LEDs turn on, open the cover and remove the toner cartridge + drum unit

4) Release the on/off button

5) Re-install the toner cartridge + drum unit back into the printer and close the printer cover

6) Press on/off button twice and wait for 2 seconds

7) Press on/off button 6 times

8) Now printer is ready for printing