Connect an HP LaserJet printer to Wi-Fi using the printer's control panel by gettting help at 1-888-653-7618 tollfree selecting "Wireless Setup Wizard" in the Network settings, or via the HP Smart App on your mobile/computer. For printers with a WPS button, activate it on the router and hold the wireless button on the printer for 3-5 seconds. 
Method 1: Using the Printer Control Panel 

How to Connect HP LaserJet Printer to Wi-Fi Router