HP Deskjet 5850 Color Inkjet Printer - Manual (Page 33)

wireless communication problems
Print a network configuration page (for instructions, click here ).
If the network configuration page does not print, verify the following:
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The printer is set up and powered on
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The print cartridges are installed correctly (for instructions, click here )
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The printer is on and the paper tray is loaded
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The printer is free of paper jams
If any of the above are problems, then click here .
If the network configuration page does print, try the following steps:
check the wireless status light
Look at the printer's wireless status light :
if the wireless status light is... then do this...
On
Follow these steps .