bynnek

Oh, didn't realize any responded to this! I did try going to higher diameter teflon tubes, same issue. The printer is in normal mode. Can the MMU be set differently...

I think I may have found the problem. Looks like the male connectors on my rambo are going bad and resistance is increasing. It appears as though the power plug...

It's the PDF included in the latest firmware release here: https://www.prusa3d.com/drivers/ I've noticed there is a relatively new guide here that has the correct startup sequence: https://help.prusa3d.com/article/rgbbt7x68p-mmu-2-s-factory-reset