Canon Community

Every time I try to register my printer on the support site it says the SN isn't correct. I can't find any other number as detailed in "how to find my serial number."

I keep having connection problems with my MF743C on my mac. It is pretty much constant So I printer scanner losing its wireless connection all the time. If I don't print for a week it's gone and takes at least an hour to get working again Right now I...