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1. Unload the consumables and ensure that all consumables are returned to the material
compartment.
2. Turn off the printer and open the top cover, and start maintenance after the temperature of
all components drops to room temperature.
3. Move the extruder assembly to the center, press down the black collar with one hand and
take out the feeding pipe with the other.
4. Take out the other end of the feeding pipe from the quick connector according to Step 3.
Fig. 6.6 Removal of Internal Feeding Pipe
5. Remove the external feeding pipe according to the same steps.
6. Prepare new pipes of the same length, install them in place.
Note: Both ends of the feeding pipe must be fully in place to ensure smooth threading.
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