Canon MG5100 series On-Screen Manual page 820

Advanced Guide >
Troubleshooting
U303
The Machine Cannot Be Powered On
Check 1: Press the ON button.
Check 2: Make sure that the power plug is securely plugged into the
Power Cord Connector of the machine, then turn it back on.
Check 3: Unplug the machine from the power supply, then plug the
machine back in and turn the machine back on after leaving it for at
least 3 minutes.
If the problem is not resolved, contact the service center.
> The Machine Cannot Be Powered On
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