LaserDog - K40 Essential Upgrades The question of essential upgrades for the K40 laser often comes up. The answer varies depending on who you ask, from doing nothing, to don't use it
![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 : Arts, Crafts & 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 : Arts, Crafts &](https://m.media-amazon.com/images/I/71KjNskSL7L._AC_UF894,1000_QL80_.jpg)
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 : Arts, Crafts &
![VEVOR K40 Laser Engraver CO2 Laser Engraving Cutting Machine 12x8 inches Laser Engraving Machine with Movable Wheels and Exhaust Fan | Walmart Canada VEVOR K40 Laser Engraver CO2 Laser Engraving Cutting Machine 12x8 inches Laser Engraving Machine with Movable Wheels and Exhaust Fan | Walmart Canada](https://i5.walmartimages.com/asr/fcbbba53-abd4-4bfc-94f1-1cea4b37abd1.aecfb9af8367540307c2bdc05ab2b36e.jpeg?odnHeight=2000&odnWidth=2000&odnBg=ffffff)
VEVOR K40 Laser Engraver CO2 Laser Engraving Cutting Machine 12x8 inches Laser Engraving Machine with Movable Wheels and Exhaust Fan | Walmart Canada
![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 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](https://m.media-amazon.com/images/I/71foPNAHYEL.jpg)
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
![Laser Cutter Upgrade... upgrading the K40 (Micromark version) - Modeling tools and Workshop Equipment - Model Ship World™ Laser Cutter Upgrade... upgrading the K40 (Micromark version) - Modeling tools and Workshop Equipment - Model Ship World™](https://modelshipworld.com/uploads/monthly_01_2016/post-76-0-29531000-1451860490.jpg)