First, check whether the power supply and connection cables are connected normally. Second, confirm whether the computer driver is installed correctly.
 If the problem persists, please contact our after-sales service team and we will provide you with technical support.
 2. What should I do if the marking effect is not ideal
  If the problem persists, try to adjust the Portable Pneumatic 
Dot Peen Marking Machine parameters, or contact our after-sales service team for consultation.
3. What should I do if the marking speed is too slow
 First, check whether the Portable Pneumatic Dot Peen 
Marking Machine software settings are reasonable. Second, confirm whether the connection between the computer and the Portable Pneumatic Dot Peen Marking Machine is stable.
If the problem persists, try to adjust the Portable Pneumatic Dot Peen Marking Machine parameters, or contact our after-sales service team for consultation.