For consistent outstanding image quality, the Lexmark black laser toner offers an innovative shake-free print system with superior sustainability. With a high yield of 20,000 pages, this Return Programme cartridge is perfect for high volume printing and the patented cartridge can be returned to Lexmark for remanufacturing and/or recycling.  Lexmark's Corporate Cartridges further advance the sustainability innovations delivered by the Unison toner print system.