Comprehensive Guide on “HP Deskjet 3050 Wireless Setup” It's critical that you place your printer on the same WiFi network as your computer for a wireless print connection. Here's a fast and easy guide for setting up wireless router HP Deskjet 3750 printers Switch on your Hp desktop 3750 printer and your wireless router. Now press the wireless button on your printer Then find the WPS key located on your Internet router and click it.