Das ist für Slic3r/PrusaSlicer der before filament change g-code, wie auf thingiverse steht:
Correct temperatures have to be setup in the generated gcode.
It can be easily done in Slicr3d Prusa edition min. v 1.38.5. linked version 1.41.3 still work just finePrinter Settings -> Custom G-code -> Before layer change G-code
correct macro needs to be setup. It should look like one of two options
