Sold as 1 EA. Toner cartridge is designed for use with Xerox CopyCentre C123, C128; WorkCentre M123, M128; WorkCentre Pro M123 and M128. Toner is specially formulated and tested to provide the best image quality and reliable printing you can count on page after page. Xerox Genuine Supplies and Xerox equipment are made for each other. Cartridge yields approximately 30,000 pages at 5 percent coverage.