Thanks for the suggestion, @Phil! I had not thought of that. I'll go back and do the ol' "wiggle-and-check-continuity" test.

@airscapes - YES! This has irked me for a while. I always have a tough time getting the filament to enter the center of the hotend. I typically grab the filament drive with a pair of vice grips and try to torque it as much as possible to keep it properly aligned with the hotend before securely faste...

Thanks for everyone's thoughtful and speedy responses. I like the idea of adding a thin brass tube at the bottom. We have tweaked the design of the filament drive a bit which I think has extended the life of drives, but like you mentioned - they're plastic so they will eventually wear out. The filam...

Apologies if this is has been resolved a hundred times over. I did spend a bit of time digging on the forums and found some related posts, but nothing that seemed to directly address my issue. I am curious to get others' feedback and experience. Feel free to redirect me. I work at a university and h...

Thanks, all. For some reason I was not receiving email notification when there were responses to my post so I am just now seeing these. Sorry about that. I ended up using the original part I mentioned and drilled a set of additional mounting holes in it. That part has been working fine ever since. B...

I think I performed due diligence and my question has not been answered elsewhere, although I find that surprising. So apologies if I didn't find the correct forum post elsewhere. I have had my M2 since 2013. I have performed nearly every upgrade possible at this point, I think. My most recent upgra...