Page Yield: 400 Shelf Life: 12-18 months The ink monitoring chip on this remanufactured Epson T048420 is the original chip which has been reset to provide accurate ink monitoring Compatible with the following Epson Stylus Photo printers: R200, R220, R300, R300M, R320, R340, RX500, RX600, and RX620 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty Store-quality photos. Deliver vivid, crisp text and graphics.