Hi all! I just got my E3D properly up and running after having some initial issues. I have gotten it to print some smaller models very nicely, but when I attempt any larger models the extruder starts skipping when printing the fill (boing backwards and forwards) between the perimeters. I have cleaned the teeth etc, so it should not be anything wrong with the feeder system. There is no drop in the temperature reading, and I do not run at an excessively large speed (50 and 40mm/s). The skipping of the feeder does not occur when printing the perimeters etc. Any ideas would be greatly appreciated!