Fundamentally speaking, this is a normal phenomenon, because the marking command and marking content of the software have been sent to the board. If you close the software, it is equivalent to waiting for the board to execute the last command, and it will be out of control. It may grow light the follow up, so it is recommended to power off the hardware first and then turn off the software.
Metal fiber laser engraving machine application on business card for logo, address, phone numbers, fiber laser marking letters, numbers for more metal materials.
