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I have a Canon Pixma MG2522.  I had a paper jam and I think I got all the paper out.  However, the power button and jam are flashing.  I received an error message of 5012 when I ran the diagnostic.  I tried unplugging the printer and turning it back ...

I had a paper jam and thought I had removed all paper.  However, my power light and jam light are flashing.  How do I fix this?