3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Unable to print PLA (lemmy.world)

submitted 1 year ago by Fabrik872@lemmy.world to c/3dprinting@lemmy.world

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Hello all,

I have had Prusa MINI for a few years already and I have printed PLA without an issue but recently I have printed only PETG for some time I got through multiple spools of PETG without any print in PLA. But after I tried to print PLA my extruder kept skipping and grinding filament and when I tried to feed filament by hand it went easy for a little bit but after that, it went very hard as if the filament was cold so I tried to bump up the temperature to 235C and it helped a little bit but on faster sections of print like the infill extruder is skipping again. I don't think I have unreasonable speeds i am using a standard Prusament PLA profile with Prusament PLA. I have also tried PLA+ from some different brand with the same result. Then I changed the nozzle from an E3D hardened steel nozzle with nano coating to brass (not new I have printed PETG on this one as well) still with the same result. PETG is printing fine. Is there something I can try, please? I am out of options.

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[–] rambos@lemm.ee 3 points 1 year ago

Its weird for all metal hotend. Not sure how assembly looks exactly, but make sure your hotend fan is working properly.

At least you found a problem