Buy your Original Lexmark 800S4 Yellow Toner Cartridge (Lexmark 80C0S40 Laser Printer Cartridge) for the low price of £99 . The Original Lexmark 800S4 Yellow Toner Cartridge will work in the following printers Lexmark CX310dn , Lexmark CX310dnw , Lexmark CX310n , Lexmark CX410de , Lexmark CX410dte , Lexmark CX410e , Lexmark CX510de , Lexmark CX510dew , Lexmark CX510dhe , Lexmark CX510dthe it will give you a page yield of Approx. 2,000 pages @ 5% average coverage. The Original Lexmark 800S4 Yellow Toner Cartridge offers you good value and excellent printing performance. Original Lexmark 800S4 Yellow Toner Cartridge (Lexmark 80C0S40 Laser Printer Cartridge)