A genuine Lexmark Return Proogramme laser toner cartridge.Colour: BlackApprox. page yield: 2,000For use with the following printers:Lexmark E120. What is the Lexmark Return Program?Return Program cartridges are offered at discount prices with the anticipation that the customer will return the empty cartridge to Lexmark (free of charge) to be recycled. For more details see FAQs.