Printer Toner - for C540n/ C543dn/ C544/ C546, page yield: 1,000 The original LEXMARK C540A1KG black toner cartridge is designed for the LEXMARK C540, C543dn, C544 and C546 printers. It delivers up to 1,000 A4 pages at 5% coverage.Lexmark Return program is suitable especially for companies that demand fast, easy and eco-friendly disposal of empty toner cartridges. This service applies only to empty original Lexmark toners that were used only once. A pickup demand is only valid for a package consisting of at least five empty original Lexmark toners. A free pickup service right from the customer's or dealer's office is provided by Lexmark via a designated carrier.Specifications:Compatible printers:Lexmark C540n, C543dn C544n C544dn, C544dtn, C544dw and C546dtnColour:BlackPage yield: 1,000 A4 pages at 5% coverage