Need to print one color -struggling - General discussion, announcements and releases https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-general-discussion-announcements-and-releases/need-to-print-one-color-struggling/ Prusa3D Forum Discussion Board en-US Thu, 14 May 2026 10:37:41 +0000 wpForo 60 RE: Need to print one color -struggling https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-general-discussion-announcements-and-releases/need-to-print-one-color-struggling/#post-784622 Fri, 06 Mar 2026 13:50:41 +0000 The typical response is that you'll be asked to upload your project file from Prusa Slicer so we can pick it apart.  Unfortunately, I can't do that you while I'm at work... so the next best option is to request more details. 

The process I understand is to select the object and then select which extruder you want to apply to that part/item.  Same thing applies to  modifiers:

If you have all this down and things are still not working out, please add more details and screen shots.  

]]> General discussion, announcements and releases AVDS-1790 https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-general-discussion-announcements-and-releases/need-to-print-one-color-struggling/#post-784622 Need to print one color -struggling https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-general-discussion-announcements-and-releases/need-to-print-one-color-struggling/#post-784421 Wed, 04 Mar 2026 23:08:11 +0000 I finally have my MMU3 running, but I struggling to print something from just one spool.  I set the extruder in several places in slicer, but it seems to take off and use Extruder #1 no matter what I set in Slicer 2.9.4.  What am I doing wrong.  TIA.

]]> General discussion, announcements and releases Mac-N4MCC https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-general-discussion-announcements-and-releases/need-to-print-one-color-struggling/#post-784421