Toner cartridge is specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page in your Xerox Phaser 3250. Xerox Genuine Supplies and Xerox equipment are made for each other. Cartridge yields approximately 3,500 pages.Toner cartridge is specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page in your Xerox Phaser 3250. Xerox Genuine Supplies and Xerox equipment are made for each other. Cartridge yields approximately 3,500 pages.