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Hey guys, I wanted to updated what seems to have fixed the problem for me. It seems that simply removing the semi-transparent cover from the cold end allows the filament to stay cold enough to prevent it from smudging into the hole. I left the cover off to allow me to fix it faster, then it stopped ...

Thank you all for commenting. I want to update that this happened today again, when printing in ABS (228C) randomly and then stopped. I did change the the current settings for the Kysan motors I'm using. I am now testing printing PLA in lower temperatures and will update how that goes. If anyone has ...

Jimustanguitar wrote:This only happens if there's significant back pressure, what temperature are you extruding at? Too cold, and it may be the cause.

This specifically is PLA printed at 210C with a .5 nozzle.
My first guess was that there is back pressure so I lowered the flow rate to %95 - still no good.

Hi guys, Every now and then filament gets stuck in my cold end. This happens randomly, it could be in the beginning of a print, or like today - after 7 hours of printing. a. I tried tightening the screw holding red handle but that didn't help. b. I increased the flow rate to %110 and that seemed to ...