Speedy Inks Toner Cartridge Replacement for Xerox Phaser/WorkCentre 6500 (1 Black, 1 Cyan, 1 Magenta, 1 Yellow, 4-Pack) For use in Xerox: Phaser 6500, Phaser 6500/DN, Phaser 6500N, & WorkCentre 6505 Set Includes: 106R01597 Black, 106R01594 Cyan, 106R01595 Magenta, 106R01596 Yellow Page Yield: Black 3000 | Color 2500 | Shelf Life: 24-36 Months These high yield cartridges also replace low yield 106R01591 Cyan, 106R01592 Magenta, 106R01593 Yellow The use of aftermarket replacement cartridges and supplies does not void your printer's warranty