This 4PK of color toner cartridges is compatible with Xerox Phaser 6500, 6500N, 6500DN, WorkCentre 6505, and 6505DN printers. The cartridges come with a manufacturer warranty and produce high-quality black and color prints. The page output is 3,000 pages for black and 2,500 pages for color. The cartridges are designed to work with Xerox printers and provide consistent results. They are easy to install and maintain, making them a reliable choice for your printing needs.