TopTech Toners Remanufactured Toner Cartridges Replacement for Samsung for CLP-620ND CLT-K508L - (4 Pack) Print Technology: Laser Supported Printers: CLP-620ND, CLP-670N, CLP-670ND, CLX-6220FX, CLX-6250FX Color : Black, Cyan, Magenta, Yellow Toner Yield: Black Yield 5,500 pages - Color Yield 5,000 pages