PCI Brand Compatible Epson ERC31B Black Printer Ribbons 12Pack Box Each Ribbon Yield Approximately 45 Million Characters for Epson TMU590, Epson TMU950, Epson TMH5000, Epson TMH5000II, TMU590, TMU950, TMH5000, TMH5000II This product is made for use in the following machines Datamega TM930, Datamega TMU950, Epson TMU950, Epson TM925, Epson TM930, Epson TM930II, Epson TM950, Epson TMU590, Epson TMU925, NCR 7162, NCR 7166, NCR 7452, NCR 7453, Nikko NK9300, TEC RE2000, TEC RE2500, TEC RE3000, TEC RE3500 Buy with confidence See wwwpcibrandcom for more information Premium Compatibles is a USA recycler of used and unwanted PCI and OEM Brand toner cartridges gogreenPCIbrandcom and ask for your prepaid UPS call tag Stated product yields are based on the industry standard 5 page coverage Your yield may vary based on usage