How do I connect the HP DeskJet GT 5820 to a wireless network?

Press the Wireless button on the control panel to turn on the printer's wireless capability. The Wireless light and Signal Bars icons will indicate connection status — when the Wireless light, Wireless icon, and Signal Bars icon are all on, the printer is connected to a wireless network. For troubleshooting, press the Wireless button and Information button together to run a wireless test and review the test report. (Page 9)