Never buy another Epson maintenance tank! Use this chip resetter to reset the chip on the tank back to empty status. We also include details on how to gut the tank and replace the used felt/sponge. This invaluable resetter will save you alot of money in the long run. This resetter will NOT work on the Epson Pro 7700 and 9700 models. There is a resetter available for just for these two models.