Disable your antivirus temporarily, as many security suites flag resetter tools as "false positives." Extract the files and run the "AdjProg.exe" application.
Download a compatible Epson L3250 Adjustment Program from a reputable source.
Here is everything you need to know about the Epson L3250 waste ink pad resetter, how it works, and how to get your printer back online. Understanding the Waste Ink Pad Error
Click "Select" and choose the L3250 model and your specific Port. Choose "Particular Adjustment Mode." Locate and select "Waste ink pad counter" from the list.
Check the boxes for "Main pad counter" and click "Check" to see your current usage. Check the boxes again and click "Initialize." Turn the printer off when prompted, then turn it back on. The Physical Side: Replacing the Pads