WPS is one of the finest modes of establishing a connection between your printer and router. WPS stands for Wi-Fi Protected Setup which is a kind of a network security. Before you start establishing a connection, you should make sure that your printer and router must support the WPS. To make a connection, you should find out the WPS pin available on the back panel of your router. To find put the printer's WPS pin , you need to go to control panel of your printer and press the Wireless button. Now, you have to click on the Setting option and then opt for the Pin. By going through these steps, you will be able to see the WPS pin of your printer .