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RobM

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  1. RobM

    UM2+ feeder jam

    HI Sander, Thanks for the reply. The little thread actually had a stringy part which went all the way to the nozzle. I think the filament was stuck to the nozzle somehow as it retracted for the material change. And so the filament broke in the tube. And then when re feeding the filament it got stuck and then gathered inside the feeder quite a bit. I took the lid off it and it exploded with rubbery red semiflex springing out. Took about an hour to figure out how it went back together. Would you know if there an internals image of the feeder somewhere so I can check? OR an assembly/dissasembly guide of sorts? thanks
  2. RobM

    UM2+ feeder jam

    Hello all, I'm unsure if its the feeder that is jammed or if the filament is somehow clogged in the tube. I've been printing OK with pla for a couple of weeks. I took the plunge with semiflex ( which is the red filament in the pix ). I had difficulty getting and ended up selecting the change material option which wound the material back along the tube. I think during this feeder pulling back the filament, some semiflex was still hot, and some stuck in the tube. And so when I fed the filament in again it got jammed at this point. I'm wondering if the filament is jammed in the tube or if the feeder itself is jammed. I've lifted the feeder lever at the side ( the one you lift when you feed in new material ) and tried to pull the filament out but its jammed solid. I think the semiflex would break before moving. Any ideas ? thank you Rob
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