Cannot find printer connected via usb – Canon imagePROGRAF PRO-300 13" Photographic Inkjet Printer User Manual
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Cannot Find Printer Connected via USB
In Windows 7, if Windows update starts during detecting the printer connected via USB, or if you start
detecting the printer while Windows update is in progress, it may take a while to find the printer.
Wait for a while. This is not a malfunction.
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