Don't use the CD included with the printer. Instead, go to Canon's website and download the newest drivers. I suggest using mp68-win-mg2900-1_01-ejs, not win-mg2900-1_1-ucd. The former contains the core drivers and is about 26 MB. The latter contains the full...
https://www.canon.co.uk/support/consumer_products/products/fax__multifunctionals/inkjet/pixma_mg_series/pixma_mg5350.html?type=manuals&language= It may not be a bad idea to reset the printing system (steps in the following article) before you add the printer. Reset the Mac printing system ...