Extra high-yield toner cartridge contains Unison Toner that is essential to Lexmark print system performance. This 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. Perfect for high-volume printing, high-yield cartridge yields more pages than standard yield cartridges for cost-efficiency in your Lexmark MX711de, MX711dhe, MX711dthe, MX810 Series, MX811 Series and MX812 Series. 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 45,000 standard pages.