Factory reset your brother laser
printer:
1.
Turn off your
brother printer.
2.
Press and hold
down the go button.
3.
With the go
button still held, turn on it back on again.
4.
When the three
lights light up, release the button and then press the go button TEN times.
Wait until the
ready light is lit. . Know
more
For more information: Brother printer support number | Brother
printer customer service number