High-yield toner cartridge is essential to Lexmark print system performance in Lexmark CS310dn, CS310n, CS410dn, CS410dtn and CS410n. Unison Toner's unique formulation consistently delivers outstanding image quality, ensures long-life print system reliability and promotes superior sustainability - all in an innovative, shake-free print system. High-yield cartridges offer a lower cost per page and contain more pages than standard yield cartridges do. They are perfect for high-volume printing. Genuine Lexmark supplies are engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Cartridge yields approximately 4,000 pages.