Toner Tap&reg; Compatibles for Samsung CLP-680ND, CLX-6260FW Series Printers, For Samsung CLT-K506L, CLT-C506L/ CLT-M506L CLT-Y506L 4 Pack - Black, Cyan, Magenta, Yellow Toner Set Printer compatibility: Samsung All-in-One Machines CLX-6260FD, CLX-6260FR, CLX-6260FW, CLX-6260ND, Samsung Laser PrintersCLP-680DW, CLP-680ND 100% Professional factory guarantee on the full printing cycle 100% Brand new and IP Protected components and parts Estimated Toner Yield (6,000/3,500 pgs) measured up to and above OEM standards All TT toner product go through qualiyt control procedure to ensure highest and the most consistent quality in the market