Constantly high image quality. Reliable over the entire service life. Outstanding sustainability. Innovative "shake-free" printing system. This exposure unit works optimally with Unison? toner. Indispensable for the performance of the Lexmark printing system, the unique composition of the Unison? toner delivers consistently high image quality, assures durability and reliability of the printing system, and ensures unparalleled sustainability - all in an innovative "shake-free" printing system. A new dimension in longevity. Outstanding performance and maximum capacity for a real investment in efficiency - and in the future of your business. Lexmark's original consumables are designed to work seamlessly with your Lexmark printer and deliver excellent print quality from the first page to the last.