Original Printing colours: Black High (XL) Yield Black toner page yield: 20000 pages Laser printing 1 pc(s) Extra High Yield.Top yields mean you're saving big by operating at the best efficiency, for both your budget and the environment.Technology.Outstanding results page after page, year after year. Superior Lexmark design means precision pairing between printer and cartridge for value, quality and environmental responsibility you can count on.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.Lexmark Return Program Cartridges.Lexmark Return Program cartridges are patented print cartridges sold at a discount in exchange for the customers agreement to the license requirement that the cartridges will be used only once and returned only to Lexmark for remanufacturing and/or recycling. The Return Program cartridges are licensed for single use only and are