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. Value Take a giant leap in longevity. Standout performance and maximum yield for a true investment in efficiency – and your professional future. Return for Recycling Lexmark offers customers a broad choice of laser toner cartridges and recycling options including easy return to Lexmark. For superior results. always use Genuine Lexmark supplies. 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 737 adzse. Lexmark CS 730 de. Lexmark C 4300 Series. Lexmark XC 4352. Lexmark CX 735 adse. Lexmark C 4342. Lexmark C 4352. Lexmark CS 735 de. Lexmark XC 4342. Lexmark CX 730 de. Lexmark CS 737 dze