If the machine's display (hereinafter called LCD) is blank, then the Brother machine is not powered on or is in sleep mode. Press a button on the machine to see if it wakes from sleep mode. If it does not, then verify that it is plugged into a working outlet and any power switches are turned to the ON position.
NOTE: If you are unable to power on the machine, then this solution does not apply. Troubleshoot this hardware issue.
Check the LCD screen for any error messages. An example would be "Paper Jam" or "Ink/Toner Empty". If the LCD screen shows an error that will prevent printing, troubleshoot to clear the particular issue before you continue troubleshooting the PC printing.