Is it legal to use chipless firmware? The answer depends on your country.
Download the specific firmware for your model and "flash" it onto the printer. Epson Chipless Firmware Key Free
is a modified version of your Epson printer's internal software (firmware) that removes the requirement for microchips on ink cartridges or maintenance boxes. Is it legal to use chipless firmware
Connect the printer to a Windows computer via USB (WiFi often won't work for this). which can damage the printer. Conclusion
Since the printer always thinks it is full, it won't warn you when you're actually out of ink. You must manually check your ink tanks to avoid air bubbles getting into the printhead, which can damage the printer. Conclusion