Cleaning MMU2 gears  

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scienceok
(@scienceok)
New Member

From time to time, I need to clean the 5 gears that feed the filament inside the MMU2 unit. I use a small steel brush. Is there a way to force the rotation of the step motor? It is really difficult to rotate them manually. 

Posted : 11/02/2020 5:51 pm
vintagepc
(@vintagepc)
Noble Member

I got lazy and designed this since I had a pile of spare skelestruder brushes...

https://www.thingiverse.com/thing:3764564

 

Posted : 11/02/2020 6:45 pm
wpegden
(@wpegden)
Trusted Member
Posted by: @scienceok

From time to time, I need to clean the 5 gears that feed the filament inside the MMU2 unit. I use a small steel brush. Is there a way to force the rotation of the step motor? It is really difficult to rotate them manually. 

Hold the middle button.

Normally (e.g., when not printing and there is no filament loading) the right and left buttons move the selector side to side, and the middle button tries to load the selected filament.

Posted : 14/02/2020 6:28 pm
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