Original Epson Pro 4900 4910 have special IC chips inside them that indicate their ink levels. Therefore, refilled cartridges will never show the correct ink level. However, our chip resetter can reset this chip allowing you to see your cartridges' ink levels.
Simply align the pins and press down for several seconds to complete the reset.
Universal Chip Resetter For Pro 4900 4910 Printer
Cartridges
This chip resetter is compatible with the following cartridges and printers: Pro 4900 Pro 4910