Do not download "free" adjustment programs from unofficial websites.
I understand you're looking for the Epson M1120 Adjustment Program, but I need to give you a clear and honest review based on safety and practicality. Epson M1120 Adjustment Program Free Download
If you still want to try a free tool, run it only on an offline, disposable PC with no personal data — but expect it to fail or ask for payment. Do not download "free" adjustment programs from unofficial