LD Compatible Toner Cartridge Replacement for Samsung K506 CLT-K506L High Yield (Black) The Samsung CLT-K506L high yield black cartridge replaces the CST-K506S standard yield cartridge Page Yield: 6,000 | Shelf Life: 24-36 Months The use of LD replacement ink and toner cartridges does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following Samsung CLP, and CLX Printers: CLP-680ND, CLX-6260FD, and CLX-6260FW