Toner LEXMARK 70C2HK0 Black:An original black toner cartridge for the CS310dn, CS310n, CS410dn, CS410dtn, CS410n, CS510de and CS510dte printers. The toner can print approximately 4000 A4 pages at 5% coverage.The Lexmark Return program is designed for companies that want to dispose of empty cartridges quickly, carelessly, ecologically and for free. This service applies only to empty original Lexmark toner cartridges that have been used only once. This service applies only to shipments comprising of at least 5 pieces of an empty Lexmark toner cartridge. The shipment is transported for free from the client's offices or dealer by Lexmark or PPL.Specifications:For printers:LEXMARK CS310dn/CS310n/CS410dn/CS410dtn/CS410n/CS510de/CS510dteColour:BlackShelf life: 2 yearsCapacity: approximately 4000 printed pages