FLASHFORGE 3D PRINTER Creator 3 Pro Quick Start Manual page 7

4. Insert the filament into the filament
feeding inlet continuously until the filament
goes through the filament guide tube.
6. Insert the filament guide tube into the
filament inlet hole on the extruder to fix.
5. Press the filament feeding pressing plate
in front of the extruder, insert the filament
vertically into the extruder until it can't be
inserted any further, and then loosen the
filament feeding pressing plate.
7. Finally, fix the filament spool on the
filament spool holder and close the cover.
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