Order of Upgrading MK3S+ to MK4 and MMU2S to MMU3
 
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Order of Upgrading MK3S+ to MK4 and MMU2S to MMU3  

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Ken
 Ken
(@ken-11)
Member
Order of Upgrading MK3S+ to MK4 and MMU2S to MMU3

Hi all,

I just ordered the upgrades for both units as mentioned in the title.  I had never built my MMU2S or done anything to the MK3S+ to upgrade it for the unit.  So my quesiton is where do I start with these new upgrades.  Will there be a problem following the directions for the MMU2S > MMU3 if the first unit still sits in the box?  Do I upgrade the MK3S+ > MK4 first?  Are there steps that these directions won't show as it's expecting that the MMU2S has already been added to the MK3S+?

I hope you all understand what I am asking.

This topic was modified 4 months ago 2 times by Ken
Posted : 26/06/2024 11:38 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Order of Upgrading MK3S+ to MK4 and MMU2S to MMU3

First thing you do with the MMU2 is take it apart to rebuild as MMU3. 
Build Mk4 first, print the MMU3 parts assemble MMU3, modify MMU4 Filament sensor, idler and idler catch

 add MMU3, load firmware and set up buffer.... then you should be good to go!
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

Posted : 26/06/2024 11:54 pm
Ken liked
Roy
 Roy
(@roy-3)
Eminent Member
RE: Order of Upgrading MK3S+ to MK4 and MMU2S to MMU3

See the upgrade notes I posted here

https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-assembly-and-first-prints-troubleshooting/upgrading-mk3s-mmu2s-to-mk4-mmu3/#post-712809

My upgraded machine works well.

Posted : 28/06/2024 5:40 pm
Ken liked
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