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Cnc Laser Cutter Co2 Laser Engraver Laser Engraving Machine K40 Usb Interface Upgraded 40w 300x200mm coreldraw For Wood Acrylic - Carbon Dioxide Lasers - AliExpress
![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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