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Amazon.com: OMTech 40W Laser Engraver, 8"x12" Desktop K40 Laser Engraving Machine, 200x300 Laser Etching Machine with Red Dot Pointer LCD Panel Software Bundle Water Pump Exhaust Pipe for Wood Acrylic Fabric More
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Amazon.com: OMTech K40+ Laser Engraver Motherboard Upgrade, Replacement Control Board for CNC CO2 Laser Cutter Engraver Machines with Rotary Axis Autofocus Support, Smoothie Mainboard for LightBurn K40 Engraving
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Amazon.com: OMTech CO2 Laser Engraver, 8"x12" Desktop K40 Laser Engraving Machine, 40W Laser Etching Machine with K40 Rotary Axis Red Dot Pointer LCD Panel Software Bundle Water Pump for Wood Acrylic Fabric
![Unpacking my K40 today. What is this "Switch Machine" switch (no mention in the manual - can't find online)? : r/lasercutting Unpacking my K40 today. What is this "Switch Machine" switch (no mention in the manual - can't find online)? : r/lasercutting](https://preview.redd.it/zhi39x7ysl031.jpg?width=640&crop=smart&auto=webp&s=f9899e28d0780b556fec83d4aed19dccac161681)
Unpacking my K40 today. What is this "Switch Machine" switch (no mention in the manual - can't find online)? : r/lasercutting
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