Thanks for the fast reply!
I haven't tried the temp test yet, but I did feed through more PLA until it was clear. Did a test-print but with same result.
Video: http://kkvgbg.se/dremelfuge_fail.m4v
Thanks for the suggesting the Olsson block - I'll look into getting one if this doesn't clear up. Will also do the heat test to see if I need to pick it apart and reset the sensor or heater.
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gr5 2,257
It could be the sensor. I've tested about 20 sensors and they vary by a surprising amount. Try this temperature test. Also consider getting an Olsson block (just google it) both so that you are testing with a fresh nozzle and so that it's much easier to clean the nozzle in the future.
Also switching between abs and pla often is very very problematic for about 3 critical reasons. For example ABS doesn't come out of the nozzle easily when switching to PLA and it can line the inside of your nozzle making the effective nozzle diameter quite a bit less than the expected .4mm and making it hard for filament to come out. Or it can cause a full clog of course. ABS pretty easily cooks to a gunk that acts more like a hard wax than the properties of honey needed to get through the nozzle.
I recommend sticking to one plastic (either one) for at least 100 consecutive prints.
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