First Layer Extruder Print Sequence
It looks like the XL extruder sequence is set up like the MMU2S. i.e. for a multi-color print, the #1 extruder starts the print first, then on to the next one. Is this something everyone is experiencing and unless I am missing something, we cannot assign which extruder we want to go first, correct?
RE: First Layer Extruder Print Sequence
As far as I know, you cannot set the first printing extruder.
But you should be able to hack around it by assigning extruders in chronological order in PrusaSlicer and then switching the tools on the XL pre-print menu.
RE: First Layer Extruder Print Sequence
Prusa slicer uses the lowest extruder number, on the first layer first, then continues through the remaining layer active extruders.
prusa slicer will carry the last used extruder off the previous layer, up to the next layer, to reduce extruder changes
on the new layer prusa slicer will complete the elements in the previous last layer, and then process new extruder requests in lowest to highst number sequence. so, say your first layer starts with extruder 4, and also has extruder 5 in use,
the first layer will go,
extruder 4, extruder 5, then extruder 5 is retained for layer 2
so the second layer may go
Extruder 5, extruder 1, extruder 2, extruder 3, extruder 4 and carry extruder 4 to the third layer (if all filaments are in use on layer 3,
the sequence will be
E4, E1, E2, E3, E5 If the next layer only has say E2 and E3.
the slicer will change from E5 to E2, then print
E2, E3
and carry E3 to the next layer... etc.
regards Joan
I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK
RE: First Layer Extruder Print Sequence
This is an insight that I've been looking for. I have been trying to put some small text into the first layer and becoming frustrated when the body of the object is put down first and the text becomes an after thought. When I sliced the model I just selected the tools that I had the colors loaded up for. I will try this experiment again and prioritize the first nozzle color to be the text. Fingers crossed.
RE: First Layer Extruder Print Sequence
Good Luck!
Regards Joan
I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK
RE: First Layer Extruder Print Sequence
Thanks, Joan! 👍
RE: First Layer Extruder Print Sequence
Thanks. This hopefully will help with me too - same issue: printing text on the first layer. But shouldn't this be a selectable option in PrusaSlicer?!