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MMU2S insists on loading filament 1 on every single print  

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axeljaeger
(@axeljaeger)
New Member
MMU2S insists on loading filament 1 on every single print

Hello,
I noticed that my Prusa MK3S with MMU2S tries to load filament 1 on the beginning of every single print no matter whether:

1) I try an actual MMU print that uses more than one material, but not material 1.
2) I try a print with the MMU using the single color profile that allows me to select the material on the beginning of the process. After selecting the material, the printer tries to load material 1.
3) I try a print using a non MMU gcode and preload a material other than material 1.

I even remember that during the first time setup, the printer asked to insert into a different slot than 1 but later on tried to feed material from slot 1.

Has anyone else seen a similar behaviour? I wanted to print without material loaded into the material 1 slot because I guess I have a problem with this material position on my printer and try to nail this down.

The printer is running 3.7.1.

Best regards

Axel

 

Posted : 06/07/2019 11:30 am
gnat
 gnat
(@gnat)
Noble Member
RE: MMU2S insists on loading filament 1 on every single print

Try resetting the MMU (little button next to the serial port. If that doesn't help, try reflashing the MMU. 

Sounds like it may have gotten itself confused. Sometimes a reset or reflash will bring it to it's senses. 

MMU tips and troubleshooting
Posted : 06/07/2019 2:39 pm
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