Environmental Partnership Copy Toner Cartridge is designed for use with Xerox Document Centre 332, 340, 432 and 440. 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. It includes return instructions and a shipping label. Cartridge yields 23,000 copies at 6 percent area coverage.