11
12. There’s a ferrite core around the motor cables. Open it so you can remove the feeder motor wire completely. (It’s
possible that your Ultimaker is older and doesn’t have the ferrite core). Fig. 15.
Do not pull on the wires.
Always pull on the plugs.
13. Disconnect the PT100 sensor from TEMP1 on the main board. Fig. 16.
14. Disconnect the print head fans from FAN PWM on the main board. Fig. 17.
Do not pull on the wires.
Always pull on the plugs.
15. Pull the braided sleeve with cables and the feeder motor wire out through the hole in the bottom left corner and the
hole in the back plate. Fig. 18.
16. Place the Ultimaker back upright and move the build plate down for easier access during the next steps.
When placing the machine upright, take care of where your main board is, so you do not break it.
The main board is reinstalled after you replace the feeder, feeder motor and print head.
15
16
17
18
