Question about Canon PIXMA MP780 All-In-One InkJet Printer
Disconnect the USB cable from the computer. Reboot the system, once the system has completed reboot, plug in the USB cable between the PC and printer. The system should sense the printer and install the printer. Go to the printer folder in the control panel (START). You should see your printer. Select the printer, Double-click, Select File, Select Properties, Select Maintenance, Print Test Page.
This should clear the problem.
Posted on Apr 29, 2009
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Posted on Jan 02, 2017
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