Thanks Danny for the firmware update, it finally has fixed the problem.NOTE for everybody affected by this issue: you will ONLY need the USB connected to your computer to update the printer, then you can unplug it and your computer will work wireless...
PLEASE REMOVE THE SOLVED CHECK, this is just a bandaid and if CANON sees PROBLEM SOLVED, they will not work in a real solution. It is been 3 days that everyone with this type of printer are struggling, and I am sure the the SOLVED check didn't help f...