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Had a lot of dramas with our 40w laser it stopped working 2 weeks ago was orginially ghosting and power loss we have aligned and cleaned all mirrors.
tried 3 power supplies
tried 3 tubes....

We have a Chinese 50w laser had no dramas with it, yesterday was doing some jobs did 5 fine and then half way thru it stopped, We replaced the power supply, we have cleaned lens and mirrors and also...

We have had a Chinese 45w laser for just over 12 mths, for 7 mths we didn't have a problem at all, ran smoothly now we are having this issue i will attach some photo's....

I have a 50w Chinese laser, i have been trying to do portraits onto acrylic, we have been using the machine for last 6 mths and have had no problems with normal pictures like coloring in etc, i have...