Canon MX720 Series - Cannot Communicate with the Machine with USB Connection

Cannot Communicate with the Machine with USB Connection
• Check 1: Make sure that the machine is turned on.
• Check 2: Make sure that the USB cable is connected properly.
See Connecting the Machine to the Computer Using a USB Cable to connect the USB cable properly.
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Check 3: Do not start up IJ Network Tool while printing.
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Check 4: Do not print while IJ Network Tool is running.