HP Wireless Printer not working
- by Omri Spector
I have installed an HP DeskJet 4620 driver on a win 7 machine.
All works perfectly for several days, and than printing is not longer possible. Instead I get the message: "Unable to communicate with printer".
This happened on every Win 7 PC I tried, and none of the HP/MS sites contain any relevant info...
(Posting this so that the answer appears…