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cura 4 did non prime 2nd extruder


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Posted · cura 4 did non prime 2nd extruder

i'm making some test with dual extruder and i wanna try cura.. i just made another topic for suggestion about start-stop extruder script , but i see a problem with prime tower, when print start it made a 2line skirt (red) , then an useless base of prime tower with materal1 (red) , then print (correctm, red)  and after it made a  2nd material (white) single skirt line (why??) and after start print white without prime material on prime tower. After this start 2nd layer and seem to be ok... but 1st layer (the layer most important) is wrong.... 


in the image you can see the prime tower red (fist materal) but you can see NO WHITE material in prime tower (and i need it... white is 2nd material so i need to clean from red)....


How to make prime the 1st layer for 2nd extruder?


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