Xerox said it will raise prices on selected high-speed printing systems products in the United States, according to Reuters. Selected 50-page-per-minute and faster printers will cost commercial customers three percent to seven percent more as of January 1. The products include the 4050, 4850, 4090, 4890, 4135, and 9700 product families, Xerox said. Sales prices on selected software solutions will increase by 5 percent.