Bambu AMS Paper Spool Issue
Due to the soft rubber on the rollers Bambu suggests the cardboard will wear into the rollers. Simply print this and place them on your cardboard spools
https://www.printables.com/model/251028-cardboard-spool-ring-for-bambu-lab-ams
Bambu Poop Chute
We have found that this is the best one, you can see when its getting full and required to be emptied.
https://www.printables.com/model/253743-bambu-lab-x1c-excess-chute-bucket