Each extra high capacity Lexmark 20N2XK0 has been designed to give you the highest page yield for your printer and the lowest cost per page. In fact this Return Program Lexmark 20N2XK0 black toner cartridge is offered at an even lower cost than other genuine cartridges of this capacity and can be freely recycled when it is empty.The original Lexmark 20N2XK0 can be used in several colour laser printers, including the excellent Lexmark CS331dw. Each Lexmark 20N2XK0 black Return Program toner cartridge comes fully guaranteed by the manufacturer and is well worth considering.