There is firmware for various epson printers that will make the printers chipless. That is the ink will always show as full no matter what. You can then use refillable cartridges without any chip at all. Hence "chipless". An example can be found at https://chiplesssolutions.com

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Problem is these firmwares all require an activation code which is sold for money and is only valid for 1 installation on 1 machine.

Anybody here know of medicine for this medicine?