If you are using a long USB cable, replace it with a short USB cable.
If you still cannot print using a short USB cable, the cable may be damaged. Replace with a new USB cable, and try printing.
Are You Using a USB Hub?
If so, connect the machine directly to the computer using a USB cable.
Try Using Another USB Port.
Connect the USB cable to another USB port on your computer.
Is the Printer Port of the Computer Configured Correctly? (Windows)
If the printer port is not configured correctly or there is no available port, reinstall the printer driver. When you reinstall the driver, the correct port is configured automatically. Checking the Printer Port For details about how to install the driver, see the driver manual at the online manual site.
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