CORE One+

Unfortunately having the same issues and the more I print on the Core One, the more I regret the upgrade from my well printing MK4S to the Core One. Don’t have anything else than the Prusa belt tuner. But obviously all the things you’ve tried ain’t made a difference at all.

I know this is really old but I was sturggling with Polymaker PLA Pro white as well. I did some testing and im sure each batch of white is different but I had do some really crazy adjustments to get the white to print well. Its still not as good as color versions but here are the advanced settings t