Trouble after installing limit switches with homing position

I installed limit switches on my Sculpfun S9. They were purchased from Sculpfun. The laser module seems to perform as expected when it starts up and when homing but the position does not show X:0 Y:0. After homing it shows X:-382 and Y:-387 so when framing a project it sends the module crashing into the rails. I have typed in the console G92 X0 Y0 to set the home position to 0 but after shutting off the machine and restarting again it does not save X0 Y0 as the home position but goes back to X-382 Y-387 again. Anyone know how to fix? Thanks

Did this start after installing limit switches?
What corner does it home to?

It is described in detail here:

You need to set an offset to the machine coordinate system. See the setting origin section in the guide above and note the “G10 L20 P1 X0 Y0” command.

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Thank you Melvin. After installing the limit switches the new size I measured was X385 Y390 so I typed into the console G10 L20 P1 X-385 Y-390 and it now shows after homing X3 Y3. This seemed to do the trick. Much appriciated!

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