No laser when marking. The laser beam is weak when marking. No red light when click“light F1". It can't find the dog driver when marking. It can't find the LMC control board when marking....More】

Mark on metal and nonmetal materials....More】

Machine installation site ambient temperature should be better control at 5-35℃, and connect a reliable grounding wire....More】

1. Start machine without any reflection. 2. No laser output or laser weak. 3. Cutting / engraving depth is not ok. 4. Computer & Equipment can not connect on. 5. Processing dimension margin error or operation error....More】