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The laser is working now!
The display contrast is adjusted with a small POT on the display board.
I had the source recharged for about $1100. It's making 38 watts, according to the test sheet it...

Hello all,
LONG time lurker, but now I have a project.
I just got an old M30 laser. I'm told it "doesn't work", but not specifically what doesn't work. It powers up, but the display contrast is...