And officially the UM2 does not support USB at all. In practice it works a little worse than the UM Original but not too bad.
Officially it's unstable. And we cannot guarantee that it works. If it does not work, it's not covered in warantee or support.
Other then that, USB printing on the UM2 can be done in the same way as the UM-Original.
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gr5 2,295
Yes, you can only change the overall feedrate once it starts printing. In cura you can now set infill a different speed while slicing, but once you start printing from SD card you can change all kinds of things but speed is only overall %.
If you want a nice print but are frustrated - just set it slow for the whole print and it comes out nice (say 30mm/sec) and go away. Far away. Where you can relax.
I recommend you get the ulticontroller instead of the UM2. If the UM Original drives you crazy I don't think the UM2 will be any less stressful.
And officially the UM2 does not support USB at all. In practice it works a little worse than the UM Original but not too bad.
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