Before diving into the solution, it is important to understand the problem. Why does your Epson M1120 suddenly stop working and display a message stating that parts inside your printer are at the end of their service life?
Epson does not officially provide the Adjustment Program for free to consumers, as it is intended for technicians. However, you can find official software and manuals for general maintenance through these resources: Epson M1120 Adjustment Program Free Download