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K40 Laser cutter wont fire on jobs. Still fires on panel/psu test.. Gives Message "L" - No Laser Signal - #85 by crowland186 - K40 Laser - Maker Forums
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Amazon.com: OMTech 40W CO2 Laser Engraver Tube, K40 Laser Tube for Engraving Cutter Machines Desktop DIY
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