Lexmark 50F0H0G High-Yield Black original Toner Cartridge produces consistently outstanding image quality, long-life system reliability and Innovative shake-free print system. Essential to Lexmark print system performance, Unison Toner's unique formulation consistently delivers outstanding image quality. Maximize your savings and enjoy premium quality with Genuine Lexmark cartridges. Genuine Lexmark supplies are engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Recycle all your used Lexmark supplies by letting us take care of the details. It s simple, smart and always free.