For use in X658dfe, X658dtfe, X792 Series, X850e, X852e, X854e Also, X860de, X862dte, X864dhe, X940e, X945e, X950de, X952dte, X954dhe Works in MX812de, MX812, MX811, MX810 Series, MX910de, MX912dxe, MX911dte Compatible with C935, C792 Series, C950de, W840 Series For use in T654dn, T652dn, T650dn, T654dtn, T654n