Lexmark Cartridge Collection Programme 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. 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. Unison™ Toner Essential to Lexmark print system performance, Unison™ 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.