Lexmark's laser consumables perform in synergy with your machine This C540 Black Laser Toner produces superior quality, professional print-outs Installation is quick and simple and the cartridge yields up to 2500 pages Lexmark�s Cartridge Collection Program is designed to enable recovery, reuse and recycling of empty Lexmark print cartridges With a discount for agreeing to return your empty cartridge, this product is part of the Lexmark Return Programme