identify control board

Hi Mike I am a rank newbie but this may help
Can you look at the actual controller board?
it should have the info you want printed in white lettering on the green pheolic circuit board

For example I found my k40 Controller board had this information printed Just under the USB connector on the board (With my eyes I had to remove the board and read the tiny lettering with a magnifying glasss )
It had printed:
Lihuiyu Studio Labs design for Laser Machines Hangzhou
firmware revision 2016:01:01
6C6879 Laser M2:9 (this is what you will look for on your machine it maybe a similar number then M5 etc)
On a paper sticker on one end is these 2 numbers
75FFB2F5
82436957

Hope this helps Bill