Windows 1. Turn off the Epson Stylus C120. 2. Disconnect the USB cable from the Epson Stylus C120. 3. Click Start or , and select Programs or All Programs. 4. Select Epson or Epson Printers, then select Epson Printer Software Uninstall. Note:With Windows Vista, click Continue, then go to the next step. 5. In the next window, select EPSON Stylus C120 Series and click OK. Then follow the on-screen instructions. 6. Restart your computer, then see the Start Here sheet to reinstall your software.