Reset Home Point

In laser mode the work origin somehow switched from the center of my work plate to the bottom left corner. Now I have to manually move it to the center for every burn. How do I reset the work origin home point to the center of the workspace?

You could try using G60/G61 (Save Current Position | Marlin Firmware), but ihni if SM supports those.

– edit –

Looks like the answer is no, not supported:

Have you tried using “set work origin” on the bottom left of luban?

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Yes, that temporarily sets the work origin, just like when you do it on the touch screen. For the next print it is reset to the default off-center position,

Using the touchscreen will ALWAYS reset the home, it’s part of the subroutine when starting a file from the touchscreen. You have to bypass it either via USB or wifi. You can follow the guides for a repeatable origin and quick sending in the stickied guides thread.