Canon PIXMA MG4200 Series On-Screen Manual page 772

Home > Troubleshooting > Problems with Scanning > Problems with Scanning > Scanner Does Not Work
S600
Scanner Does Not Work
Check 1: Make sure that your scanner or printer is turned on.
Check 2: Connect the USB cable to a different USB port on the computer.
Check 3: If the USB cable is connected to a USB hub, remove it from the
USB hub and connect it to a USB port on the computer.
Check 4: Restart the computer.
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