HI guys one of the people in my Zonestar FB group has an issue

3D Printing
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HI guys one of the people in my Zonestar FB group has an issue with the extruder, I was wondering if anyone knows how to fix it? Here’s a video on the issue. https://drive.google.com/file/d/0B2gGibVOehl-bFFGS2xOc0VERnc/view

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for me it looks like the extruder is running way too fast, maybe wrong ESTEPS in firmware?

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Yeah, I agree, its turning very fast, what is the temp set to, if it is too low then its not melting the plastic fast enough.

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Main problem here was string force. It was too high, ı’ve cut 2 rolls from spring and it worked like a charm. No noise, extruder motor works like a charm. After that i’ve been finally able to do extruder calibration.