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4-11
(4-11) Press [Tools] > [Upload]. The heating process of the extruder is then
started.
12
(4-12) After the extruder reaches a temperature of 220 ℃, a printer beep sounds
as a request to remove the filament from the extruder. Press the spring tensioner,
push the filament down for about three seconds and then carefully pull the
filament out.
Note: Do not pull out the filament by force, as this may damage the gear
wheels. When the molten filament has cooled down in the extruder, repeat
the above steps if necessary.
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