1. Ensure printer is connected to the power cord and the front cover is closed.
2. Turn the printer on and wait till it is in the Ready Mode.
3. With the help of the up and down key, go to the General Setup and Press OK.
4. Now, navigate to the Quite Mode and press OK.
5. Turn off the Quite Mode and press OK.
For more information:
Brother Printer Phone Number | Brother Printer Tech Support Number