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MMU3 FW update  

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FSL
 FSL
(@fsl)
New Member
MMU3 FW update

Assembled new MMU3 on MK4, updated printer FW with no problem, but cannot get the MMU to update. I dont know if I have to download FW to special folder or if I can keep it in downloads. I connected MMU to PC with the USB shipped with the kit, downloaded FW 6.0.0 (3.0.3) on PC and enabled MMU preset in the printer settings. Then "MMU needs FW update" shows up on the printer screen. I plug the MMU to pc and click restart (on the priner), but every time I do so, it restarts and shows the message again.

 

Posted : 21/04/2024 9:37 am
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: MMU3 FW update

Have you tried resetting the Mmu?

Small hole behind Mmu usb connection 

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 : 21/04/2024 12:36 pm
FSL
 FSL
(@fsl)
New Member
Topic starter answered:
RE: MMU3 FW update

I tried resseting it on the printer screen. This might help, thank you.

Posted : 23/04/2024 6:00 am
FSL
 FSL
(@fsl)
New Member
Topic starter answered:
RE: MMU3 FW update

Unfortunately, it did the same restart as when I did on the priner screen.

So no, it didint help.  But thank you for your effort.

Posted : 24/04/2024 5:45 am
Jeremie
(@jeremie-2)
Member
RE: MMU3 FW update

It sounds like you are trying to update the MMU3 through the printer. The MMU3 must be updated through Prusa Slicer.  

Posted : 24/04/2024 2:17 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: MMU3 FW update

Is the Mmu enabled on the printer LCD screen?

 

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 : 24/04/2024 4:38 pm
FSL
 FSL
(@fsl)
New Member
Topic starter answered:
RE: MMU3 FW update

Yes, it is.

Posted : 24/04/2024 4:39 pm
jseyfert3
(@jseyfert3)
Reputable Member
RE: MMU3 FW update
Posted by: @fsl

Assembled new MMU3 on MK4, updated printer FW with no problem, but cannot get the MMU to update. I dont know if I have to download FW to special folder or if I can keep it in downloads. I connected MMU to PC with the USB shipped with the kit, downloaded FW 6.0.0 (3.0.3) on PC and enabled MMU preset in the printer settings. Then "MMU needs FW update" shows up on the printer screen. I plug the MMU to pc and click restart (on the priner), but every time I do so, it restarts and shows the message again.

I found this confusing. When it pops up that the MMU needs an update on the printer, do not click restart on the printer. Just plug the USB cable in, fire up PrusaSlicer, and upload the MMU update file to the MMU. Only after the file is uploaded successfully to the MMU3 through PrusaSlicer should you restart the printer.

The restart option has nothing to do with the update process itself, except that you need to restart the printer after the MMU is updated.

Posted : 01/05/2024 7:30 pm
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