Drum cartridge is designed for use with Xerox WorkCentre 7500, 7800, 7525, 7530, 7535, 7545, 7556, 7830, 7835, 7845 and 7855. Xerox maintenance items are designed to keep your Xerox equipment operating efficiently and delivering the best quality. Xerox Genuine Supplies and Xerox equipment are made for each other. Cartridge yields approximately 125,000 pages.