Buy NEMA17 dampers. I have 6 M2's that until last week were in active production duty, some as old as 2012 (!!). Between all of them, they have run about 40 miles of filament. I have abused them, neglected them (*), covered them in hairspray overspray, broken the glass beds, shorted out the wiring i...
If your current firmware does not understand or support M600, then you will have to flash updated firmware. There isn't a workaround for that (unless you want to do something silly like connect a loud buzzer to the runout sensor as an alarm)
You can use a filament runout sensor. These use a leaf switch held closed by the presence of filament. When the filament runs out, the switch opens up and the printer firmware will enter a special mode to allow you to replace it. You usually end up with about 30cm of wasted filament, which is a far ...
I've got 6 of these workhorses that have served me well for years, but my printing seems to be moving in the industrial material space (ULTEM & up) and shrinking, so 6 is too many. I'm not in a huge hurry to let any of these babies go, but just seeing if anybody is interested in them. I have 5x 1.75...
I'll jump on this and see whatcha need. Feel free to email or Hangouts me at bryan.boettcher at Google's mail service. I've also put together this video years ago for another person who wanted pretty much the same thing you're asking for, the "wat do? printing 101" question: https://www.youtube.com/...
I stuck a Keenovo 250W/24v heater directly to the underside of a MIC6 plate, and I'm using your bracket to strain-relief the corregated tubing. Hopefully it goes well