For trouble-shooting, I would strongly recommend the following:
Ensure your monitor is calibrated for a screen to print match. Only then can you judge 'muddy' colors in the print.Print a nozzle check to ensure all nozzles are printing correctly.Print...
Could this be the full record of all the print jobs run on the printer?
Yes, and it seems the printer has very light use.
While you're at it, it's worth the effort to set up the Canon Accounting Manager, where you will also see a full history. Take ...
The AirPrint driver is not your friend. Delete that, and reinstall with the full driver. You may need to visit the Canon site and download the driver there based on your printer model. This should help resolve what you are experiencing.
Good for you! This printer has a wonderful reputation for what you just experienced. As to the chroma optimizer, that patch is normal. This is a cart that is used on most prints, to eliminate bronzing, and will go empty sooner than others. Good to ha...