A group of folks in Florida found a way to get toner from Xerox for basically free, and then resold it on the Internet. Apparently taking in over 7 million dollars worth of toner in 5 years. Well they have been busted with 4 in jail and one on the run.
http://www.news-journalonline.com/article/20151110/NEWS/151119944/ http://www.wesh.com/news/suspects-accused-of-defrauding-xerox-out-of-72-million/36366354