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In the printer, check the ribbon cables from the scanner, if they are a bit loose it can cause this error. Disconnect the power cable from printer. Hold down the Power button for 60 seconds. Now connect the AC Power and turn ON the printer. Check and let me know the result.
If it not fixed the problem, please contact Canon support on 1 - 8 0 0 - 6 5 2 - 2 6 6 6