The reasons of laser tube not fire as follows:1.laser tube damage or laser controller damage,not turning on laser machine for a long time. ... [Detail]
2017-07-21
Physical test. Using a playing card in front of the laser tube, press the laser test switch for 1 second. Observe the degree of coke-burning of the paper spot, If the spot is burnt very light, replace the laser tube. ... [Detail]
2017-04-22
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