LulzBot TAZ 5 - Multiple Extruder Options - Print Settings Tab

2.5. EXPERT MODE
Settings tab gives the ability to assign an extruder to each extrusion type.
Figure 2.46: Multiple extruder options - Print Settings Tab.
Configuring Tool Changes
The Custom G-code subsection of the Printer Settings tab has an option
for inserting G-code between tool changes. As with all custom G-code
subsections, placeholder variables can be used to reference Slic3r settings.
This includes the [previous_extruder] and [next_extruder] variables.
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