b. Reloading the extruders
See for all references:Load the extruders
Remove pressure bearing.
Heat up the nozzle to extrusion temperature (see Extruder control).
Pull remaining filament out of extruder using pliers.
After removing the remaining filament, follow the instructions inthe "Load the extruders" section to load a new filament.
Purge the extruder until the old material is completely flushed out. See caution note below about purge temperature:
If a new material is being loaded in to the extruder, purge at the temperature of the material which has the highest melting point.
E.g. if PLA is being loaded into an extruder which previously had ABS, purge at 260 °C. This ensures that the old, higher melting
point, material will melt and fully flush out. Failure to do this will result in a blocked nozzle, as the higher melting point material will
remain solidified in the nozzle.
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