I have a 743CDW connected via ethernet that will no longer print. The link light shows no activity. I have also connected via USB and the printer still does not print. The printer also reboots itself ramdomly all day. It is still under warranty, but I have been unable to get Canon on the phone (waited on hold for 2 hours twice. Hung up on both times) to get instructions for warranty work. Has anyone seen/solved the kind of problem I am having, or does anyone have a better way to reach Canon?
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