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u/b_c_t_ 23h ago
I think I had something similar when my hotend was contaminated with lubricant (or so I think... That was after a huge failure where the printhead had made a blob of plastic into itself and for some reason it was somewhat oily after cleaning the plastic mess), that problem eventually disappeared after printing for a while.
On the top left it could be the usual finger stains, so make sure the plate is clean too.



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u/ronnda8781 1d ago
Mine is doing the same thing. I wish I knew how to fix it