Samsung CLT-C506L (SU042A) High Yield Cyan Original Toner Cartridge. Compatible with the following Samsung printers: Samsung CLP-680DW, CLP-680ND, CLX-6260FD, CLX-6260FW. SU042A cartridge(s) average yield: 3500 pages. Colour: cyan. Shop Samsung Toner Cartridges at great prices to offer unprecedented print innovations and performance for your business.