(1) When the light pen is working, it is not allowed to touch or collide with the movable beam of the scanning table;

(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.