To reset Waste Ink Counters in Epson L220 and other models You have to do following:
1. Download latest WIC version V5.0.11 or higher (available for Windows, MAC OS, Linux).
2. Connect the printer by USB or WiFi to Your PC. Disconnect all other printers.
3. Run WIC Reset Utility.
5. Enter Reset Key (Buy Full Reset Key) or Trial Reset Key (enter TRIAL).
If You have any questions You can contact us by LiveHelp or in Forum – http://www.2manuals.com/forum/index.php?/topic/12-faq-how-to-reset-waste-ink-pad-counter-yourself-video/