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Feeder problems ? Underextrusion
Hi fellow users of JG Maker,
sorry to arrive there with my mechanical issues, but here we are. I have been printing with my JG Maker for a month or so, did some successful PLA prints. I experience trouble in my prints since I changed filament (brand & color), mainly under-extrusion, half completed prints...I suspect feeder problems since on day, the plastic tread BROKE between the two feeder wheels. I noticed that when it printed successfully, the wheel above the knurled wheel is moving along the thread, helping it. I don't know if this is a consequence or a cause in my problem, but this wheel (the non-knurled one) is struggling to move, and now even completely not moving, so the filament isn't feeding at ALL.


Before, I could starts prints and they eventually failed, but since today all my prints start dry. Even when I changed back to my original brand of PLA
I tried pushing filament in, unscrew and re-screw feeder parts and wheels...I thought it was a mechanical problem involving the feeder, but the unloading works fine when it comes to pushing the thread backwards. So technically the wheels work. I then thought about a clogged nozzle, but the purge works fine too. Any thoughts ? ):

Comments
Conclusion for me: