These products are guaranteed to work with your Lexmark CS720de printer.
Original Lexmark 74C20K0 Black Toner Cartridge More...
Original Lexmark 74C20C0 Cyan Toner Cartridge More...
Original Lexmark 74C20M0 Magenta Toner Cartridge More...
Original Lexmark 74C20Y0 Yellow Toner Cartridge More...