Ultra-high yield toner cartridge features the Unison Toner's unique formulation that consistently delivers outstanding image quality, ensures long-life print system reliability and promotes superior sustainability - all in an innovative, shake-free print system. Essential to Lexmark print system performance, genuine Lexmark toner is engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Cartridge is designed for use with Lexmark CX860de, CX860dtfe and CX820dte. Cartridge yields approximately 55,000 standard pages.