COVER IS OPEN Error on Canon Pixma Printer TR7520 TR8520 TR8620 Clear Code
If your printer is giving you a hard time by saying that the top cover is open, though it is closed, watch this video to possibly resolve the issue and get on with printing!
Error messages:
"The scanning unit (cover) is open"
"Cover is open"
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Canon Pixma TR7520
Canon Pixma TR8520
Canon Pixma TR8620
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