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2-8 User Manual 589402
Loading the filament bobbins
To load correctly the material filaments to be used for printing, follow the procedures below:
1. Insert the bobbin of material onto the special bobbin supports, keeping the thread oriented towards the
lower opening of the feeder. This means that, when looking at the machine from the back, the bobbin for
extruder 1 will rotate in a clockwise direction, while that for the extruder 2 will rotate in an anti-clockwise
direction.
Figure 2-8 Positioning the material bobbin
2. Pass the filament inside the feeder until it appears at the filament feeding assembly on the front of the
machine, inside the extruder assembly. As the filament is rather rigid, it tends to maintain its curvature even
when unwound from the bobbin. To facilitate insertion of the filament into the feeder/output from the feeder,
using slight pressure straighten with your fingers about 5 cm of the filament at the beginning.
3. If the filament does not come out easily, extract the filament duct from the feeder, pressing the bowden
gently using two fingers of one hand, while pulling the duct out slowly with the other hand. Thread the
filament through and feed it into the feeder assembly. Finally, with a little pressure, put the duct back into
its place.