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M2 Nano mainboard have problem can not cut Square

Hi Everyone,

I am New in Laser user. I have DIY install M2 Nano controller laser to CNC Router . Before cutting I can move laser head to any direction with correctly (Up ,Down, Left ,Right). The problem is I am try to cut square they are can cut only one way can not going back (See in picture ).More Describe see in picture start with X-Axis cut to the right then Y-Axis go to Down then X-Axis go to the left last on Y-Axis go to down. If normal must going up to make square picture. Once i swap the wiring on stepping motor  they are going opposite but not can not cut square.  I think something wrong with the controller. Any Suggestion or check point i can check . Thank you very much.

Best Regards,

Uploaded files:
  • 412767.jpg

Please post your gcode file and I'll be happy to look at it.  If you can jog directions correctly, then perhaps the gcode is in error.  How was it generated?

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