This set of 4 compatible toner cartridges is designed for the Xerox Phaser 6510 and WorkCentre 6515 printers. It includes 1 high yield black cartridge and 1 each of extra high yield cyan, magenta, and yellow cartridges. These compatible toners replace the original Xerox 106R03480 black, 106R03690 cyan, 106R03691 magenta, and 106R03692 yellow. Ideal for producing professional quality prints while offering a cost-effective solution for your printing needs.