LD Compatible Thermal Fax Ribbon Refill Roll Replacement for Sharp UX-3CR (Black, 2-Pack) Page Yield: 50 per roll | Shelf Life: 24 months per roll We offer lightning fast shipping on all printing supply and inkjet photo paper orders The use of LD replacement ink and toner cartridges does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following Sharp FO, NX, and UX printers: FO-770, FO-775L, FO-880, FO-9000, FO-90X, NX-530, NX-670, and UX-245L, UX-300, UX-305, UX-310, UX-330L, UX-340L, UX-345L, UX-355L, UX-370, UX-460, UX-465, UX-470, and UX-645L