@chris-annin Also just had this issue on first run (encoders not working, motor making noise but not rotating) and Chris' suggestion was exactly corre...

For posterity: I found the correct STL files for J6 Housing and J6 gripper mount. They are under the top level directory 'AR4-MK3 3D Print ...

The J6 gripper mount STL also seems old, it's clearly different from the pictures in the manual, and the shaft diameter doesn't match the j6 motor!

@chris-annin The J6 housing has a diameter of 32mm (measuring in bamu labs slicer), whereas my j6 motor has diameter 35mm. I can see the file was las...

@chris-annin I also have a bambu labs, p1s! I'm printing in PLA (I think in the instructions you mentioned you've used ABS). I'm using the 0.2mm stre...