Having a similar issue as well, anytime a color change happens I get a little bit of filament that looks like this. It’s the black part that seems like it’s still hot and getting melted by the gear in place when a full retraction happens but only on color swaps. 4 color benchies print fine, no issues there, but my prints (sliced on orca with the k2 plus profile from creality) don’t work. Happens every color swap, it’s a real pain when I’m trying to do multicolor prints. Thanks creality very cool.
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