Cannot Communicate With The Machine With Usb Connection - Canon mg 7100 series Online Manual

Cannot Communicate with the Machine with USB Connection

Make sure that the machine is turned on.
Check1
Make sure that the USB cable is connected properly.
Check2
See Connecting the Machine to the Computer Using a USB Cable to connect the USB cable properly.
Do not start up IJ Network Tool while printing.
Check3
Do not print while IJ Network Tool is running.
Check4
91