How to reset Brother MFC printer

This Reset Procedure is for Brother MFC Series PrinterProblem: Brother MFC Printer display "unable to clean" or Error 46Solution: - First turn of the printer- Switch on the machine while holding down the “menu” button until all the leds are flashing on/off. Now you are in “maintenance” mode.- Press 80- Press the “mono start” button several times until you see “purge: xxxx”- Press “2783” in order