I tried all the things that resolved the issue to some of you. None of it worked in my case. I called support for help and they determined that the print head was actually defective. They sent me a new machine, and voila! The set up went like it shou...
I followed your instructions for resetting. It reset the canon 7720, and turned the 7700 series offline, which I figure is a good thing, because I need the 7720 setting to work. Now the 7720 in online like it should be. I still cannot print from it h...