WPS PIN for brother printer is an eight-digit security pin that is used as a means of authentication when you are connecting your printer with a Wi-Fi connection. If you want to connect your printer through Wi-Fi device and enable wireless printing, then it is mandatory for you to establish the Wi-Fi connection with your printer, and pc using correct Wi-Fi protected set up a pin. If you are not able to find the WPS pin option, or there is a certain WPS pin configuration issue in your brother printer, you can talk to our support representatives via phone call.