DFRobot OverLord 3D User Manual page 40

3. Unscrew the golden pneumatic fitting. Pull it up about 10mm. Cut off the filament along the
pneumatic cross section, so that about 10mm filament is left outside nozzle. This 10mm makes
taking out the filament easier afterwards.
10mm
CAUTION：The following steps will activate electricity. Please be careful during
operating, do not let the PCB of nozzle module touch any metal part or other
conductive part to prevent short circuit and burn of PCB.
CAUTION：The following steps generate high temperature in 3D printer nozzle
module. Please be careful during operating to prevent injury.
4. Switch on the printer.
5. Select "Temperature—Heatup Nozzle" on main menu, then heat up nozzle to 230℃.
6. Pull out the filament inside nozzle carefully and leave the white thin tube inside nozzle as it
used to be.
7．Unscrew the golden pneumatic fitting in the extruder module. Carefully take out the short thin
OverLord 3D Printer User Manual
Cut
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