Lexmark Black Toner Cartridge Return Program Yield 22,000 Pages 71C1HK0Features For CS730, 735, CX730 Color Laser Print Technology Consistently outstanding image quality Long life system reliability Superior sustainability Innovative shake free print system Best Together Genuine Lexmark supplies are engineered to work Best Together with your Lexmark printer, delivering excellent print quality from the first page to the last. Unison Toner Essential to Lexmark print system performance, Unison Toner's unique formulation