Genuine Xerox High Capacity Black Toner Cartridge for the Phaser 3610 or WorkCentre 3615, 106R02722 Xerox Supplies deliver Quality, Reliability and Performance and are manufactured to the highest standards. Specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page. Xerox Genuine Supplies and Xerox equipment are made for each other; accept no imitations. Average yield is 14,100 pages