> For the complete documentation index, see [llms.txt](https://gathery.gitbook.io/faq/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gathery.gitbook.io/faq/why-is-my-laser-exceeds-range-for-engraving-why-does-my-laser-rattle-when-moving-to-the-border.md).

# Why is my laser exceeds range for engraving?/Why does my laser rattle when moving to the border?

The laser is not homing before engraving or the picture size exceeds 400\*400mm. Please click the home button on the program interface, and then the laser will be move to the lower left corner. If the size of the image is too large, please modify the size of the image when setting the parameters.