The change is in S3D because I can still use 2.0.1 (that I still have installed) and disconnect without resetting the machine. When I connect to a machine, it resets it, but I never connect unless I'm ready to send another print. For now I'm just using the old version of S3D but I'd sure like to fig...

I'm having a problem with 2.1 when using multiple printers. Trying to run multiple printers (three m2's) Here's the problem- with the old version I could connect, print from SD, disconnect (print continues), reconnect to a different printer by choosing a different com port, print from SD on that pri...