Lexmark: Lexmak Black Tone Catidge 3K pages - 71B20K0 Lexmark Black Toner Cartridge 3K pages - 71B20K0 Lexmark 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 or recycling. These patented cartridges are licensed for single use only and will stop working after delivering a fixed amount of ink and/or toner. Ink and/or toner may remain in the cartridge when replacement is required. Replacement cartridges sold without these restrictions are also available. MPN: LE71B20K0 EAN: 734646641883 Lexmak Black Tone Catidge 3K pages - 71B20K0 Attributes: Colour: Black MFR Part No.: LE71B20K0 Page Yield: Up to 3,000 pages Type: Toner