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Filament won't load or unload


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Posted · Filament won't load or unload

I'm new to Ultimaker3 (not 3D printing) and am trying to set up my printer for use in my classroom.  I loaded both filaments.  Everything seemed ok.  Next I tried to calibrate the printer and saw that the calibration print suffered from severe under extrusion.  I looked up some pointers that suggested I examine the PVA for marks that could tell if the material was being fed properly through the feeder.  I tried to unload the material but nothing came out.  The machine made noise and tried to unload it but the material didn't move.  How do I fix this?  



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