The Eterna Chip resetter
 The Eterna Chip resetter will reset the cartridge chips and the maintenance tanks on the following Epson 4000, 4800, 4880, 7600, 7800, 7880, 9600, 9800, 9880, 10000, 10600 wide format printers. ECR-MK2 - will reset the 7900, 9900 carts The light on the top indicates when a reset is successful, and if so, the LED will flash green. OperationWhen you are attempting to do a reset, the LED will light up and flash about 3-4 seconds. If the LED turns green, it means the resetting operation has been successful and the chip is in a good state. If the LED turns red, or does not flash, this is an indication that the chip you are trying to reset is either corrupted or damaged. If the LED turned red or did not flash it may be...a) The pins are not making good contact with the chip.b) The battery in the resetter has come loose or is expired.c) The cartridge chip is corrupted or damaged