WPS stands for WiFi Protected Setup which is a button on the back or side of the router which helps you to connect your device to the WiFi with just a simple push on the button. So if you are looking for how do I connect HP printer to WiFi, then you can simply do that with the WPS push button and for that, you have to tap on the WPS button on the router and within 2 minutes after completing the setup of the WPS mode to connect the printer wirelessly.