46 minutes ago, gr5 said:Make sure the fan in the print head door is working (not the two side fans). It should be on when the cores are above 60C. Typical symptom of a broken fan is that 10 to 40 minutes into a print the core clogs.
It could be grinding because it's printing too cold or too fast. Try raising the temp in the TUNE menu by 5C and try slowing the speed down to 80% either in the TUNE menu (which will slow everything) or just in the cura settings for the breakaway (select the tab for the breakaway and cut the speed in half or so - for example if the printing speed is 60mm/sec then try maybe 40mm/sec. There are about 7 printing speeds for each core so make sure you get them all.
It has been happening 3 hours into the print. Not sure if that helps diagnose the issue. Also I am currently running the part at 20mm/s.
Edited by Jhawk6553
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gr5 2,224
Make sure the fan in the print head door is working (not the two side fans). It should be on when the cores are above 60C. Typical symptom of a broken fan is that 10 to 40 minutes into a print the core clogs.
It could be grinding because it's printing too cold or too fast. Try raising the temp in the TUNE menu by 5C and try slowing the speed down to 80% either in the TUNE menu (which will slow everything) or just in the cura settings for the breakaway (select the tab for the breakaway and cut the speed in half or so - for example if the printing speed is 60mm/sec then try maybe 40mm/sec. There are about 7 printing speeds for each core so make sure you get them all.
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