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Does the Pixma 922 contain a fuse? I've ruled out every other possibility, but it just doesn't accept a power input.Tried plugging various chargers directly into the wall socket, but nothing.Thnx,Ramón 
What is the one-inch square plastic orange dingus in a well on the front right-hand side of the Pixma MX922 printer?I removed it, but don’t know what it’s for.
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