Print cartridge is designed for use with Xerox Phaser 6180 Series. Toner is 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. Each cartridge yields approximately 6,000 pages at 5 percent coverage.Print cartridge is designed for use with Xerox Phaser 6180 Series. Toner is 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. Each cartridge yields approximately 6,000 pages at 5 percent coverage.