Toner LEXMARK 52D2X00 Black:Genuine black toner cartridge for MS811dn, MS811dtn, MS811n, MS812de, MS812dn and MS812dtn printers. It takes approximately 45,000 A4 pages at 5% coverage. The Return Program is intended primarily for companies who want to get rid of empty toner quickly, carefreely, ecologically and completely free of charge. This service applies only to genuine Lexmark original toners that were used only once. The removal request applies only to a shipment that contains at least 5 original Lexmark original toner cartridges. Free shipping directly from the customer's office or dealership is provided by Lexmark through the PPL.Parameters and Specifications:For Printers:LEXMARK MS811dn / MS811dtn / MS811n / MS812de / MS812dn / MS812dtnColor:BlackShelf Life:2 yearsCapacity:45,000 printed pages with continuous one-sided printing