Staples is giving away one printer - every day - for 12 weeks, according to their web site. The picture is an HP Officejet Pro 8500 Wireless All-In-One. Official rules say "as is", "no warranty", "no substitutions", etc. Make sure you read them before entering.
Go to http://staplesprintergiveaway.dja.com/ and fill out the form to enter. And you can enter every day according to the site.