Original Printing colours: Black Single pack Black toner page yield: 31000 pages Black toner cartridges quantity: 1 1 pc(s) Best TogetherGenuine Lexmark supplies are engineered to work Best Together with your Lexmark printer, delivering excellent print quality from the first page to the last.Return for RecyclingLexmark offers customers a broad choice of laser toner cartridges and recycling options including easy return to Lexmark. For superior results, always use Genuine Lexmark supplies.Lexmark Return Programme CartridgesLexmark Return Programme 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 the end of the rated life established by Lexmark (a variable amount of toner may remain when replacement is required). Lexmark Cartridge Collection ProgrammeGoing green has never been