Samsung CLT-M506L (SU309A) High Yield Magenta Original Toner Cartridge. Compatible with the following Samsung printers: Samsung CLP-680DW, CLP-680ND, CLX-6260FD, CLX-6260FW. SU309A cartridge(s) average yield: 3500 pages. Colour: magenta. Shop Samsung Toner Cartridges at great prices to offer unprecedented print innovations and performance for your business.