Afaik you can change the stepper current with the "trimpot" = trimmer potentiometer on the driver boards. This will change the hardware-setting. There is no scale or display of what's set there exactly, so you have to measure manually.
/edit: by the way, that's for the UM1. Don't know if it's the same with UM2!
I don't know if there is a software-setting, too. With sw-setting, you should only be able to lower the maximum current, but not increase beyond what's set in hardware. Again, I don't have a clue on how the stepper firmware works, that's just an assumption based on how it's usually done.
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nachokaos 0
Great job!!that mai vary on a real print... i mean the retraction etc can influence on that values provoke a real less usefull values.
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