Summary: This printer has been inconsistent since I bought it. I've wasted hours trying to get it to work. It works and then it doesn't for no obvious reason. I uninstall it and then re-install. I'm so frustrated! I've never even tried Wi-Fi.
Summary: The wifi has never worked for this printer. Contacted HP, LinkSys, Dell, Apple. Its better to buy a regular printer and a wireless adapter than to buy this printer. Wish I had more luck with it.
Summary: I like HP products. I have the hP Photosmart 7150 and it is a workhorse. I have had nothing but trouble with the teh Deskjet 6840. It is supposed to be wirelessly available. Not. I have it wired directly and it constantly loses communication with my computer, which I can't figure out.