Use the resetter only once. Then, permanently install an external waste ink tank so you never have to open the case again.
You might be asking: "My printer is only a year old. Why do I need this?"
The Epson L3115 Adjustment Program is a necessary piece of software for owners of this specific printer model, but it comes with significant caveats regarding safety and usability. It solves a critical hardware lockout issue but requires technical caution to use effectively.