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Adapter with Female round power connector and 2 wire connector
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K1 Max
In Support
Bill
Sep 13, 2023
Ok... I think might be chasing the wrong thing. The 3DChameleon never pulls the filament out of the extruder... the extruder must back it out all the way before the 3DChameleon can extract it from the top of the extruder. If the filament isn't being ejected by the extruder, then that is your problem... no matter how hard the 3DChameleon can pull, it can never pull hard enough to pull it out of a stopped extruder. Do this... disconnect the 3DChameleon and just use a normal filament in it when a color change is happening... during tip shaping, you'll see the filament move up and down a bit... it will then back out. At that point, you should be able to easily pull the filament out by hand... if you can't do that, then the backing out code is incorrect... it's possible the distance entered isn't enough to actully extract it all the way, or the move was too fast and the filament wasn't solidified enough to keep it's shape and is causing the blob... make sure your distance between the extruder and the nozzle is correct, and that the tip shaping isn't driving it out too fast. There area few points in the Tool Change Tip Shaping Code where it can move it 50-80mm... but if your tip to gears distance is shorter than that, it's possible that's the issue. Try shorten those distances by half. The basic idea of tip shaping is that we need to get the filament out of the hotest part of the hot end, and slowly allow it to cool and solidify in the upper/cooler portion of the hot end before it's fully extracted from drive gears fully. The filament, when done correctly, will have a nice bullet shape without any strings. Bill
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K1 Max
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Bill

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