① Check whether the power supply is normal, 110V or 220V. ② Whether it corresponds to the voltage of the machine. ③ Replace accessories or power supply

① Check if the power cord is loose. ② Check if the computer indicator light is blue. ③ Replace the display or computer.

Check the sockets, switches, power sockets on the machine, etc. to ensure they are plugged in and powered on properly: Press the Power button on the panel and make sure it is on and the light on the button is on.

1. Inaccurate focus: Read the focus section of the user manual to focus accurately. 2. Engraving speed: Too fast, the burning time is too short, read the engraving parameters section of the user manual to readjust the parameters 3. The image is too light: The imported image should be clear, the lines are too thin, and the color is too light, which will directly affect the engraving effect 4. Placement of the engraved object: The object to be engraved is placed at an angle, and the focal length is fixed, so the object to be engraved should be placed flat and parallel to the machine body Otherwise, the focal length is inaccurate, resulting in abnormal engraving effect

① Check if the board is lit normally. ② Check if the board signal line is loose. ③ Replug the signal line. ④ Replace the board