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MK2.5S on 3.14.1 & MMU2S on 3.0.3  

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noggilive
(@noggilive)
Member
MK2.5S on 3.14.1 & MMU2S on 3.0.3

Hi I have recently gotten my self MMU2S, and after many and many issues i have managed to make it work on MK2.5S with 3.12 and MMU2S on 1.0.6. But I dont really want to be on these versions as they are quite outdated (yes even though 3.14.1 is already the last version, from what i understand). So what I am trying to say is I cant find anyone that has been able to make it work and I want to see if somebody just didnt post about it. I know that there would have to be some changes to the firmware as it is written for 24V, but you should be able to change that and I am willing to go through compilation of the code.

Posted : 06/01/2026 10:51 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE:

Hi  Noggilive, 
As you say, firmware 3.14.1 was the last firmware for use with MMU2 (Using mmu3 3.0.3 firmware)
MMU 3.0.3 firmware is what I have been using with my Mk3.9 printer with MMU3!

this might be worth trying. 

regards Joan

This post was modified 1 day ago by JoanTabb

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 : 06/01/2026 11:41 pm
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