Canon Community

My PC was previously set to scan, but I'm now getting the message "set the PC to start scanning" and don't have a clue how to fix this.  I'm not savvy enough to navigate through a ton of steps.  I need something simplified. 

My Pixma MX922 not recognized by my Dell laptop any longer.  It was printing fine until yesterday. I've deleted and attempted to re-add, but it's not found while sitting right next to the printer.  When I was able to add it yesterday, it would show "...

Where do I enter phone# so that I can get tech support!?