Cannot Communicate with the Machine with USB Connection
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Check1 Make sure that the machine is turned on.
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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.
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Check3 Do not start up IJ Network Tool while printing.
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Check4 Do not print while IJ Network Tool is running.
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Check5 Make sure that Enable bidirectional support is selected in the Ports sheet of the properties dialog box of the printer driver.