Bambulab, please make a button on the screen of my printer to be able to stop the motors 
!
When I start auto-homing, and I forgot to put a build plate on the printer, where is no way of stopping it without unplugging it from the outlet.
Gcode doesn’t allow interrupts mid-move, so an on-screen button isn’t the answer.
Just let it home, nothing’s gonna happen if it doesn’t have a plate on.
If you really think you need to stop the system immediately and have an H2 series printer, buy the E-Stop button that the lasers use.
I didnt knew that you cant stop gcode mid-move, thank you for this information. But i think that they can shut the motors power off. Marlin can do this if you send M112 trough the serial COM while antother gcode is in progress. I just want this safety feature for my mental health.
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Given the actual number of lines in a typical gcode print file and how small the move each line corresponds to generally is, executing as soon as the current line is complete is pretty much as good as the instant action of M112 anyhow.
I guess the other issue is most people have their screen time out set to 10 minutes or less, so if you would want an on-screen estop you’d have to hit your screen twice most of the time, or have it always on.
Just had an idea…I don’t recall what exactly is in the Machine profile gcode, but I wonder what M112 would actually do…if you enabled door open detection and programmed the Pause gcode to do a M112, or even just to stop in place and await further instructions, that would bring you pretty close to what you’re after.