Original Printing colours: Black Black toner page yield: 4000 pages Laser printing 1 pc(s) UnisonTonerEssential to Lexmark print system performance, UnisonToner's unique formulation consistently delivers outstanding image quality, ensures long-life print system reliability and promotes superior sustainability -- all in an innovative shake-free print system.Standard YieldKeep up-front costs low and quality high with Genuine Lexmark cartridges. Standard Yield cartridges offer a lower purchase price and contain fewer pages than High Yield cartridges do. Perfect for low volume printing.Lexmark RewardsSave up to 20% on supplies and go green with Lexmark Rewards. You'll earn free High Yield toner cartridges and imaging kits simply for using Genuine Lexmark toner and returning your empty cartridges to Lexmark for recycling.Lexmark Cartridge Collection ProgrammeGoing green has never been easier. Recycle all your used Lexmark supplies by letting us take care of the details. Its simple, sma