No filament is coming out after the start

[Jesi15]

This thread might be of some use, there is a lot of good discussion about similar issues.

A350 printing "into thin air", no filament extruded

Unfortunately, another print job and another failure… The first approx. 24h of the print went OK, no issues at all. But when I checked in on the printer now, I found it to be printing “into thin air”. The head was moving as usual, following the g-code, but no filament was being extruded. And no filament had been extruded for quite a while, basically many layers are missing. I checked if the filament is properly inside the head and if the extrusion works; no problems there. So 2 questions: …