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Why does the UM3e make all those useless moves?

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The UM3e seems to make a lot of useless moves. E.g. it always changes back to have the second extruder in the active position. That means before each change of filament in extruder one it has to activate extruder one, then change the filament and then it changes back to extruder 2 in the active position, which it then has to change again before printing?

 

Also it lowers the build plate when it is heating and then it raises the heat bed again before printing? Why?? 

 

And after a print it lowers the build plate, so you cannot see the result of your print when you log in with your web browser. Why not just lower the plate when I want to take my result out of the printer?

 

And in general it just seems like the machine does a lot of useless motions.

 

 

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