Cannot communicate with printer via usb – Canon PIXMA E474 User Manual
Page 308
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Cannot Communicate with Printer via USB
Check1
Make sure printer is turned on.
Check2
Connect USB cable properly.
As the illustration below, the USB port is at the back of the printer.
Check3
Make sure Enable bidirectional support is selected in Ports sheet of
properties dialog box of printer driver. (Windows)
How to Open the Printer Driver Setup Window
308
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