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Filament Error on CoreOne Menu  

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ponti33602
(@ponti33602)
Utenti
Filament Error on CoreOne Menu

I have been adding an MMU3 to my CoreOne and utilizing a CoreBoxx.  I have removed the filament sensor from the Nextruder   as it will be sensed from the MMU3.  However, when I turn on the CoreOne it has an error stating "Unload Manually Filament Detected"  It will not let me proceed from this screen.  I need to somehow bypass this error and get to the Home Screen so I can finish the MMU3.  I have already told the CoreOne that I have an MMU3 and it told me that the filament sensor will now be located within the MMU3.  

Can someone help me on how to bypass this error so I can get back to the Home Screen?

 

Postato : 19/11/2025 7:41 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Filament Error on CoreOne Menu

mmu3 0n other printers needs Finda, on MMU3 Selector, and Filament sensor on extruder

i expect core1 is the same
https://help.prusa3d.com/guide/9d-core-one-nextruder-mod_111779#126373

see around section 19

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

Postato : 19/11/2025 10:31 pm
mnentwig
(@mnentwig)
Estimable Member
RE: Filament Error on CoreOne Menu
Posted by: @ponti33602

I have removed the filament sensor from the Nextruder   as it will be sensed from the MMU3.  However, when I turn on the CoreOne it has an error stating "Unload Manually Filament Detected"  It will not let me proceed from this screen.  I need to somehow bypass this error and get to the Home Screen so I can finish the MMU3.  I have already told the CoreOne that I have an MMU3 and it told me that the filament sensor will now be located within the MMU3.  

Can someone help me on how to bypass this error so I can get back to the Home Screen?

 

Hi, 

I sense a disconnect here because the MMU instructions I got with my MMU kit reassembled the Nextruder filament sensor with improved parts. And I see how this is integrated, it plays an important role with multiple error conditions to bail out if the filament has a mind of its own (which does seem to happen frequently during the "pipe-cleaning" phase, not in regular operation).

I'd suggest to double-check the assembly manual.

Postato : 19/11/2025 10:44 pm
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