The set up might seem confusing at first, but the procedure is quite easy to follow and not that complicated but sometimes iPhone can’t find printer. Most of the routers have a WPS push button. It is there to sync a wireless printer. To connect iPhone to printer Wi-Fi using the WPS button, perform the following steps. Press and hold the Wi-Fi button on the router for a few seconds. Now, press the Start button and then the Wi-Fi button again. You should see that the on button is now lit up. Press down the WPS button.