@ username
The wireless password is likely the same network password you use to connect to your wireless network for all your devices.
If you cannot find it or remember it, log into your router and check.
HP Printers - Find Your Wireless WEP, WPA, WPA2 Password
The following Technology Tips video explains how to connect the printer to your wireless network, check the connection, and print a test document.
You do need to know the password for your home / office wireless network.
HP DeskJet 2720 | 2752 | 2755 AiO printer : Connect Printer to wireless network using HP Smart app
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