After an unsuccessful first printing i noticed that no filament comes out of the nozzle. In build guide stage 10 step 28 was successful. I repeat this step and after 30-40mm the extruder can't push the filament into the PTFE Tubing. In the fist 30-40mm the filament comes out of the nozzle and everything seems to be ok. I unload the filament, cut the end and load it again but with the same result. I try to push the filament with my hand and pressing the Idler Arm in the same time but once more the filament seems to stuck somewhare in the hotend. The temperature was 200, i try in 220 with the same result. The speed was low.
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