The nozzle temperature can be as high as 300 ℃. Make sure that the
nozzle has cooled to room temperature before proceeding, otherwise
burns may result. It is recommended to wear insulated gloves for
operation.
8.
Redo the heated bed leveling, Z offset calibration, and XY offset calibration.
Right extruder
To replace the hot junction of the right printhead:
1. Unload (see Auxiliary Unload or Manual Unload).
2. Wait for the current nozzle temperature displayed on the touchscreen to drop to
room temperature.
3.
Loosen the two screws on the side of the extruder with the provided pink hex
key (size H2.0) in the tool box without unscrewing.
4. Gently pull outward to open the side cover of the extruder.
5. Hold the hot end sleeve with one hand and gently force it down, and turn the
thumb wheel on the right extruder counterclockwise with the other hand to
adjust it to a relaxed state until you can remove the hot end.
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