(2) The laser and optical lens are fragile, so handle them with care and avoid vibration;
(3) When there is a fault in the machine, it should stop working immediately and be handled by professional staff;
(4) it is forbidden to start the laser power supply under the condition of no water or abnormal water circulation;
(5) Pay attention to the switching sequence, and adjust the current to about 5A when switching off;
(6) Note that the width of the marking machine shall not exceed the working width;
(7) Pay attention to keeping the indoor and machine surfaces clean and tidy;
(8) Pay attention to keeping the internal circulating water clean, regularly clean the water tank and replace it with deionized water or pure water.