I've used countless types of 3rd party ink over the years, all of which looked just as good in terms of print quality as the other, all from various amazon listings or other websites, I probably used...
I've been using 3rd party ink for pretty much the entire time using the printer as I just can't justify paying 6 times the price for genuine Canon ones. The print quality is the same in my experience but I do know that sometimes they can supposedly wear the parts quicker.
I guess I will have to...
So this issue has been ongoing for quite a while, probably a couple years by now but didn't make any real effort to fix it until now as it's not a major issue for me. Have had the printer for at least 5 years (probably closer to 10) and got it mostly for photography printing which it still does...