Samsung CLX-C8540A. CLX-K8540A. CLX-M8540A. CLX-Y8540A Toner Cartridge Set (OEM) Samsung Part# CLX-K8540A (K8540A) Black Toner Cartridge - 20000 Pages Samsung Part# CLX-C8540A (C8540A) Cyan Toner Cartridge - 15000 Pages Samsung Part# CLX-M8540A (M8540A) Magenta Toner Cartridge - 15000 Pages Samsung Part# CLX-Y8540A (Y8540A) Yellow Toner Cartridge - 15000 Pages Use in Samsung CLX-8540ND Color MultiFunction Printer Samsung CLX-8540NX, Color MultiFunction Printer.