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  1. Hi, I have the same problem, and I did have an "incident" with my BB core. I did several hot/cold pulls and cleaned the opening of the nozzle with fine acupuncture needles of different diameters, but the problem still persists. The first cleaning blob of the PVA always, literally always, sticks to the nozzle and messes up the print afterwards. I am using default settings ... any suggestions would be appreciated! best, Georg
  2. Hi, habe das identische Problem ... habe schon alles mögliche probiert, zahlreiche Kalibrierversuche hinter mir ... das PVA bleibt immer (!) an der nozzle und versaut den Druck. Über nen Lösungstipp wäre ich dankbar ... Gruß, Georg
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