For consistent outstanding image quality, the Lexmark black laser toner offers an innovative shake-free print system with superior sustainability. With an extra 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.