Pattern shifted by laser

By shifted, do you mean the 0,0 burn is not in the corner point of the part?

Your laser frame has to be fixed in position so it cannot move.
The work table or honeycomb also has to be fixed in position.
You have to ensure the beam (use the Fire button in the Move window) is at the exact corner point of your work wasteboard corner mark.
You have to Jog the Yaxis away from the limit switch and make sure the beam is on the line at the other end to ensure your laser is square with your marked wasteboard.
You have to be using Absolute Coords only, and have limit switches.
You should re-Home the machine anytime you suspect there is a positioning issue, like when it hits a rail or snags on something.
If you meet all these requirements, you should have no trouble getting repeatable and predictable positioning.

One thing you might have to compensate for is when Overscan is being used. I use a thin sliver of 2.8mm plywood as a shim and offset my entire part drawing 2.8mm as needed in X and/or Y position. This will prevent out of bounds errors.

• AL.TAL

  : Thanks for your reply. I hope that I understood correct. I have to add a wasteboard corner mark. Pressing the home button, the laser moves to the Y axis (left side), and you can hear the click from the switch, no movement in any other direction. So I manually moved it and pressed Home again. Now the laser moves to my 0Point but won’t stop. It tries to go further down on the Y axis with a loud and irritating sound, it hits the frame. I have to switch off the device, it won’t stop on its own. It seems there is no end point set up for the Y axis. Is that possible?

• jessie

  : Yes, though it’s probably because the y limit switch is broken (or the cable).