- Switch off the printer, and lift the lid to remove the small black cable cover.
2. Unplug the ribbon cable as shown.
3. Remove the extruder head by gently pulling upwards until the magnets let go. If it's not budging, it may be a later model in which case there will be a bolt underneath the extruder to undo (circled in red)
4. Unplug the fan like so.
5. Pull the fan cover horizontally, away from the motor as shown.
6. Using the smaller, included allen key, undo both bolts on the white piece as shown.
7. Remove the white piece.
8. Locate the culprit; usually a small stray piece as shown. Using pliers, tweezers, etc. remove this piece.
9. Push the white piece back in place and secure it with the two bolts from earlier.
10. Slide the fan cover back onto the motor, making sure that the yellow wire doesn't get caught outside.
11. Plug the fan back in.
12. Re-install the extruder head into the printer, making sure that it's touching all three magnets, as shown below. (if you had to remove the bolt on a later model, make sure to screw it back in)
13. Plug the ribbon cable back in.
14. Snap the black cover back into place.
15. Switch the printer back on and initialise, and it should be ready to go! Double check the type of plastic you will be putting in, and using either the touchscreen controls or a computer, extrude some plastic to confirm if this has worked.