So scratch with the toothpick to loosen the plastic, blow it out, advance the extruder, rinse and repeat. The only thing I’ve found that will get in there is a round toothpick. That includes doing what I can to clean out the plastic in the extruder. The extruder tension is what I’ve been playing with for most of today. I thought about the heat break issue but all three of the grub screw heads are stripped out so I can't back them out.ģ. I finger tight the brass fittings then just a very slight snug with the wrench.Ģ. Little slips in the filament going through the extruder gears will lead to under-extrusion.ġ. Make sure you have the extruder tension set properly. Be sure the heat-break tube is all the way up against the ptfe tube so that plastic can't leak out around it.ģ. Apparently, those brass rings on the inside will compress the plastic tube creating tight-spots.Ģ. Don't use a wrench to tighten down the ends of the bowden tube. Posted by: you haven't already, check out this thread. I doubt that will help since it was only a few minutes between the successful Benchy and the following failures using the same roll of eSun PLA+. I’ll make one last attempt tomorrow after drying the filament for a few hours. That’s more than I wanted to spend but at least I’ll probably be able to depend on it. I’m now seriously considering returning it and ordering a second MK3S. I bought this as a second printer to work alongside my MK3S making a product we sell on Etsy. Even unloading filament is a struggle with the filament getting stuck either at the end of the tube at the hotend or at the extruder. Now, when I slice something with the settings from the Benchy, I can’t get it to print due to serious under extrusion and jamming. What has me stumped now is that after the factory reset and recalibration I was able to print the Benchy successfully. I have done a factory reset and rolled back to the firmware that was delivered. I’ve done multiple rounds of cold pulls and clearing the nozzle with the included needle. Under extrusion and jamming is now the norm. The Mini was working well for a few days but now it has become nearly impossible to work with.
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