Printing colours: Black High (XL) Yield Black toner page yield: 25000 pages Laser printing 1 pc(s) Lexmark Return Program CartridgesLexmark Return Program cartridges are print cartridges sold at a discount in exchange for the customer's agreement that the cartridges will be used only once and returned only to Lexmark for remanufacturing or recycling. These single-use only cartridges will stop working after reaching end of the rated life established by Lexmark (a variable amount of toner may remain when replacement is required). These cartridges may also automatically update the printer memory to protect the printer from counterfeit and unauthorized products. Supplies without this single-use term are available at www.lexmark.com.Lexmark Cartridge Collection ProgramGoing green has never been easier. Recycle all your used Lexmark supplies by letting us take care of the details. Its simple, smart and always free.Best TogetherGenuine Lexmark supplies are engineered to work Best Together wi