Try the following:
- Make sure the USB cable is securely connected and meets the requirements. Then try printing again.
- Make sure your printer is selected in Windows, or is set as the active printer in Print Center (Macintosh).
- If you’re using a switch box or USB hub with your printer, connect the printer directly to your computer.
- Turn the Epson Stylus CX off, check that the cables are securely connected, and turn it back on again.