Original Printing colours: Black Single pack Extra (Super) High Yield Black toner page yield: 4500 pages Black toner cartridges quantity: 1 Laser printing 1 pc(s) UnisonTonerEssential to Lexmark print system performance, UnisonToner'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 YieldMaximise your savings and enjoy premium quality with Genuine Lexmark cartridges. High Yield cartridges offer a lower cost per page and contain more pages than Standard Yield cartridges do. Perfect for high volume printing.Best TogetherGenuine Lexmark supplies are engineered to work Best Together with your Lexmark printer, delivering excellent print quality from the first page to the last.Lexmark Cartridge Collection ProgrammeGoing green has never been easier. Recycle all your used Lexmark supplies by letting us take care of the details. Its simple,