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Try the following: - Make sure the USB cable is a shielded “AB” cable not more than 6.5 feet (2 meters) long.
- If you’re using a switch box or USB hub with your Epson Stylus CX7450 Series, connect the printer directly to your computer.
- Turn the Epson Stylus CX7400 Series off, check that the cables are securely connected, and turn it back on. Then try printing again.
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