Cannot Communicate with the Machine with USB Connection

Cannot Communicate with the Machine with USB Connection

Check1

 Make sure that the machine is turned on.

Check2

 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.

Check3

 Do not start up IJ Network Tool while printing.

Check4

 Do not print while IJ Network Tool is running.

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