If your spool does not sit flush on the spool holder located at the back of the machine, there are a few methods of approach.
1. Remove the filament buffer
2. Use an external spool holder or a dry box
3. Print your own spool holder.
Note: This guide is for the removal of the filament buffer.
Note: You can use the Allen key provided, to press down on the clip. Tweezers were used in the image