How to Donate Used Printers

Check with a printer company. Xerox offers a simple form for donation purposes. Companies such as Dell, Canon and HP also offer their own donation assistance, which can be found on their company websites.
Donate your computer to the National Cristina Foundation. NCF is a nonprofit organization that uses donated technology to help schools, charities and public agencies spread learning through technology.
Recycle your computer at a National Center For Electronics Recycling Center. These centers are throughout the U.S. and allow users to drop off their equipment, which is then evaluated and recycled. While not given directly to a charity, school or other organization, in most cases the printer can help drive down future costs by reusing working components from devices. This is the best alternative for nonworking printers.
Call your local nonprofit and see if it's interested in taking your equipment. Many local organizations need electronics and will take your working equipment and, in some cases, slightly malfunctioning equipment. You can ask your City Council for a list of nonprofits in your area.
Offer the equipment for free via craigslist or other local classified ads both online and via print advertising. Let everyone know you have a free working printer for whoever is willing to pick it up.