: Use a tool like WinRAR or 7-Zip to extract the folder. Some downloads require a password, which is usually provided on the source page.
This is critical to understand.
Your Epson L3210 should now be ready for use, and the "Service Required" error should be gone.
No. Each model has a unique counter address. Using the wrong resetter will either do nothing or crash. Search specifically for “L3250 resetter zip” if needed.