Lexmark MS/MX331, 431, B3340, B/MB3442, M/XM1342 40K Imaging Unit

Imaging Unit - This Imaging Unit is designed to work best with 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. 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. Value - Take a giant leap in longevity. Standout performance and maximum yield for a true investment in efficiency - and your professional future. 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. Compatible Devices: MS431dn, MX431adn, MB3442i, B3340dw, B3442dw, MB3442adw, MS331dn, MX331adn