f927eafa__Printer_Warning_Light_Flashes__Action
[Number of flashes/Cause] Five flashes: Print Head is not installed./Print Head is defective. [Action] 
Follow the directions given in your setup manual to install the Print Head. If the Print Head is already installed, remove the Print Head once and then reinstall it. If the error is still not resolved, the Print Head may be damaged. Contact the service center.
The Meaning of Canon Printer Warning Light Flashes
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