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I'm trying to disable the auto-update feature on my MF656cdw, as I prefer to manually update on all my devices. I am unable to find any control for this. The update path on the printer's control screen allows me to manually initiate an update, but I ...

I just took delivery of a new ImageClass MF656cdw. I went online to register it, having doe this without difficulty for three prior Canon printers. The onlinbe registration system refused to recognize the serial number. Yes, I carefully double-checke...