Notifications
Clear all

[Solved] Bypassing MMU2S  

  RSS
Abby Wilson
(@abby-wilson)
Member
Bypassing MMU2S

Hello! I've been having a heck of a time calibrating my Filament sensor, aside from printing and assembling an entire new extruder, I have tried about everything you can read about on the forums, reddit and prusa themselves. Through this I ended up snapping the tall part of the Idler door, so the sensor has become impossible to trigger. Is there a way I can bypass this without disassembly to print a new one? I would really rather not mess with the wiring (or really take the printer out of the enclosure again). I just need to trick it for this one print, is there any advice out there I may not have come across yet? or any updated solutions?

Thanks in advance!

Posted : 04/11/2024 10:17 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Bypassing MMU2S

Use the LCD to turn the filament sensor off and you can insert the filament directly into the printer, bypassing the MMU altogether
use the LCD Menu option  to manually insert the filament... 

use a non MMU2  profile  Mk3S or Mk3S+ Profile) to print the MMU2 version of the Idler door (Consider printing the MMU3 idler door filament sensor chimney and chimney base instead, as this is easier to adjust than the MMU3 version...    )

regards Joan

https://www.printables.com/model/57219-mmu2s-multi-material-upgrade-printable-parts/files
the idler door file, should be in this ZIP File   (Download, and Unzip)  extruder-idler-mmu2s

https://www.printables.com/model/531604-mmu3-printable-parts/files    
the revised MMU3 filament sensor parts should be in this ZIP File chimney-base-R3

 

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 : 04/11/2024 10:45 pm
Abby Wilson
(@abby-wilson)
Member
Topic starter answered:
RE: Bypassing MMU2S

Thank you so much! I am going to try this today. 

Posted : 05/11/2024 2:50 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Bypassing MMU2S

Good Luck Abby, 

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 : 05/11/2024 2:53 pm
Share: