Speedy Inks - 2PK Sharp UX-3CR Thermal Compatible Fax Ribbon Refill Rolls For use in: FO-760, FO-770, FO-775L, FO-880, FO-9000, FO-90X, NX-530, NX670, UX-245L, UX-300, UX-305, UX310, UX-330L, UX340L, UX-345L, UX-355L, UX-370, UX-460, UX465, UX470, UX645L Page Yield: 100 Shelf Life: 48 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty