The laser marking machine does not work, and the marking software Ezcad2 shows that “current LMC board is not for Fiber Laser“, how to troubleshoot?
First, set the marking parameters:
Param (F3) – Laser Control, Laser type – Fiber, Fiber – Serial, select your laser source correctly

If the problem is not solved, continue troubleshooting:
①The laser power is not turned on.
②The USB data cable connected between the laser mark control board and the computer is loose.
③The laser mark control board driver is lost.
④The LMC board is broken.
Related: IPG Laser: Reserved