If the printer is under warranty, contact Epson support — they might replace the waste ink pad for free. If not, paying $10–15 for a licensed key is safer than infecting your PC.
: To prevent ink from leaking onto your desk, Epson’s firmware tracks usage and shuts the printer down once it estimates the pad is full. Epson L3250 Resetter Adjustment Program Free
: Turn the printer off and back on when prompted to complete the reset. Alternative Free Methods If the printer is under warranty, contact Epson