5.4Check the filament
Put the filament on the spool holder. Please pay attention to the feeding direction of the filament.
As shown by the arrow in (5-17).
Press down the lever handle of the extruder and insert the filament into the feeding tube until it
reaches the extruder head. Since the filament is bent, so you need to straighten the front of the
filament by hand and sharpen them with diagonal pliers or scissors to make it easier to insert it
into the head. See picture (5-18).
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(Picture 5-16)
(Picture 5-17)
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