High-quality, Return Program imaging unit is essential to Lexmark print system performance. Imaging unit is designed to work best with Unison toner to perform in an innovative, shake-free print system. Genuine Lexmark supplies are engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Device Types: Laser Printer; Color(s): Black; Page-Yield: 150,000; Supply Type: Imaging Unit.