The reason is that the set Laser On Time is too large. You can turn down the on time.
Get Stuck
If the software gets stuck during the marking process?
1. Check whether the computer system version is updated to the latest system. 2. Eliminate whether there is interference around. 3. Check whether the USB cable connection is norma. 4. Check whether the control card is damaged. 5. Check whether the computer operating environment is normal.