HP Deskjet 5850 Color Inkjet Printer - Manual (Page 79)

1. press and hold the power button 2. press the cancel button seven times 3.
press the resume button once, then release the power button
enabling the printer's 802.11b radio
Follow these steps to re-enable the printer's 802.11b radio:
1. Verify that the printer is powered on and is idle.
2. Press and hold down the Power button.
3. While holding down the Power button, press the Cancel button seven times.
4. Release the Power button.
1. press and hold the power button 2. press the cancel button seven times,
then release the power button