Essential to Lexmark Print System Performance. Consistently outstanding image quality. Long-life system reliability. Superior sustainability. Innovative shake-free print system. Unison(TM) Toner Essential to Lexmark print system performance, Unison(TM) 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. Best Together Genuine 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 Program Going green has never been easier. Recycle all your used Lexmark supplies by letting us take care of the details. It\'s simple, smart and always free. Compatible Printers: Lexmark CX 727 de, Lexmark CS 727, Lexmark CS 728, Lexmark CS 728 de, Lexmark CS 727 de, Lexmark CS 728 dne