Quote Originally Posted by flatty_420 View Post
I checked on my print and found the printer was printing in mid-air with nothing coming out of the hotend. Upon further inspection I found the hobbed gear all clogged up with ABS fragments and it was just slipping on the filament instead of driving it down through the hotend. I initially was worried that reversing the heatsink fan had caused problems but I was able to manually extrude by pushing down on the filament.


Figured out my problem.... the 4 bolts that hold the stepper motor onto the printed direct drive extruder were loose. Once tightened up, the ABS feeds through just fine.