Hello! I just finished my reprap and everyting seem to be working fine! After I tested that everything was ok and that the extruder was extruding properly, I tried my first print. Just before it start printing, the extruder went in reverse mode for about 3-5 second and expulsed the filament from the extruder from the top. Then the extruder stepper went the good way, but without the filament.... is that a normal behaviour? How do I stop it from make that reverse mode? Thanks!
