Fiber laser marking machine is suitable for marking QR codes, Barcode and other identifications on metals and nonmetals surfaces.

Firstly, you can use an online QR code generator or utilize a QR code software to make your own QR Codes and export it as an vector files (SVG/AI/PLT/DXF etc).

Of course, you can definitely print a Bitmap images(PNG/JPG/BMP etc), but you’d be better to have it in Vector files, Because vector will not lose quality when increased in size.

For Bitmap images, you need to turn your photos into grayscale and adjust the marking speed, power, frequency and so on according to your needs.