Anyone having this issue? It's consistent on the #1 head. I'm out of town right now, but I'll be tearing into the extruder when I get home. It has never jammed, and goes right back to printing when I clear the error, so I'm also thinking about looking into the feeder.
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Change the original PTFE tube for a longer one otherwise there is too much tensión inside and the filament get stuck.
The relocation of the filament feeder (especially the rotation ) requires longer tubes.