Do it Wiser Compatible High Yield Toner for Samsung CLP-680 CLP-680ND CLP-680DW CLX-6260 CLX-6260FW CLX-6260ND CLX-6260FD - CLT-K506L CLT-C506L CLT-M506L CLT-Y506L (4-Pack) Estimated page yield: Black High Yield 6,000 pages and Color High Yield 3,500 pages (at 5% coverage, depends on printer and usage) Compatible with part numbers: CLT-K506L for black, CLT-C506L for cyan, CLT-M506L for magenta, CLT-Y506L for yellow. Suitable for printer models: Samsung CLP-680, CLP-680ND, CLP-680DW, CLX-6260, CLX-6260FD, CLX-6260FR, CLX-6260FW Our Do it Wiser smart toner cartridges are covered by a 1 year warranty against defects Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free 1 Black cartridge6.000pages 1 Cyan cartridge 3,500 pages 1 Magentacartridge 3,500 pages 1 Yellowcartridge 3,500 pages Samsung CLP 680 Samsung CLP-680ND Samsung CLP-680DW Samsung CLX-6260 Samsung CLX-6260FD Samsung CLX-6260FR Samsung CLX-6260FW