Disconnect any USB cable connecting the printer to your PC before launching the installer. Run the downloaded .exe setup file as an administrator. Accept the license agreement.
Connect the square end of the USB cable to the printer and the flat end to your computer.
Epson L3256 Driver: A Complete Guide to Downloading, Installing, and Troubleshooting The Epson EcoTank L3256
Uninstall the current driver, download the latest driver from the official website, and reinstall. Conclusion The Epson L3256
