Dremel 3D20 Quick Start Manual page 2

Step 4: Move, by hand, the extruder to
the center of the Idea Builder.
Step 5: Open the front door, then using
the allen wrench, loosen the two screws
on the front fan.
Step 6: Remove the fan exposing the
drive gear.
Step 7: Remove the clogged filament
with a needle nose pliers. Note: Make
sure to remove all remnants of the
clogged filament and discard
appropriately. Any remaining filament
may cause the printer to not work
properly.
Step 8: Replace the stepper motor
and fan. Tighten the 2 fan screws in
place. Note: Screws should be hand
tightened. Do not over tighten or you
may damage the extruder fan.
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