To set up WiFi on HP DJ3750 Printer, launch the printer software installed on the desktop and click Connect a new printer. Follow these steps to set up your wireless connection when the HP Automatic Wireless Connection screen appears: Select Yes, send my wireless settings to the printer, and then click Next. On the printer's control panel, go to the Network menu or touch the wireless icon and then go to settings. Select Wireless Setup Wizard. The Wireless Setup Wizard displays a list of wireless networks in the area. On your Windows computer, open Printers & Scanners and delete the printer. Open the HP Smart app, and sign in. Prepare the printer by resetting the network settings to the default. On printers with a touchscreen printer, select Restore Network Defaults from the Wireless Settings or Restore Settings menu.
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