To connect your HP DeskJet 3755 to Wi-Fi, start by turning on the printer and ensuring it’s within range of your router. Press and hold the Wireless button and Power button until the wireless light flashes. On your computer or mobile device, download and install the HP Smart App. Open the app and select Set Up a New Printer. Follow the on-screen instructions to connect the printer to ... https://community.wongcw.com/posts/962963