1 engraving machine does not output, check if the computer and the control box is connected well.
2 Open engraving Manager settings where space is full, delete unused files inside manager.
3 signal line wiring is loose, carefully check each line is connected.

Carving fault
1 Check whether all parts of engraving machine screws loose.
2 Check deal with their own path is correct.
3 if the file is too big ten million computer processing errors.
4 change the spindle speed to adapt to different materials (usually 8000-24000)
5 Loosen the blade chuck, turn directions clamping the knife, the knife put positive, so the object is not smooth carving.
6 Check engraving machine tool if lossy, put a new knife, re-engraving.