Quote Originally Posted by Roberts_Clif View Post
It appears that your Filament gear is not aligned the Teeth need to bite into the filament the gear could either be reversed or pulled out so the filament centers the teeth.

And one set screw should be tightened onto the flat surface of the stepper motor shaft Key.
Spot on. The gold gear cog had 'slipped' so it was not gripping the filament. I took it apart, raised the cog and it works perfectly !

THANKS !!!