Pressure advance issue?
Idk how that can happen...
My bowden tube is ~80cm long
M572 D0 S0.18
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Why do you think it's a pressure advance issue? How did you arrive at the setting you are using? Have you tried turning pressure advance off completely to see if that cures the problem?
Because its a fairly new setting in my config. I cant say if the problem appears without pressure advance on that model, because i dont want to print another 4 hours, before i know whats causing this.
I printed a cube and changed the setting every 10mm.
Did you reduce retraction a bit after enabling pressure advance? That may be necessary.