Unison™ TonerEssential to Lexmark print system performance. Unison™ Toner'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.High YieldMaximise your savings and enjoy premium quality with Genuine Lexmark cartridges. High Yield cartridges offer a lower cost per page and contain more pages than Standard Yield cartridges do. Perfect for high volume printing.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.Lexmark Cartridge Collection ProgrammeGoing 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 Programme CartridgesLexmark Return Programme cartridges are patented print cartridges sold at a discount in exchange for the customer's agreement to the licence requirement that the cartridges will be used only once and returned only to Lexmark for remanufacturing and/or recycling. The Return Programme cartridges are licensed for single-use only and are designed to stop working after the delivery of a fixed amount of toner/ink. A variable amount of toner/ink will remain in the cartridge when replacement is required. In addition. the cartridge is designed to update the memory automatically in your printer to protect against the introduction of counterfeit and/or unauthorised third-party cartridges. If the customer does not accept these terms. replacement cartridges sold without these terms are available through www.lexmark.com.Compatible Printers: Lexmark MS 610 de. Lexmark MS 510 dn. Lexmark MS 610 dn. Lexmark MS 610 dtn. Lexmark MS 610 dte