The Chinese laser often referred to as the K40 (40 watt) is an entry level CO2 laser at a magnificent price point. They can be had for around $350 to $450 dollars depending on where you get them and how you get them configured. I got mine from a place called OMTech for about $420. […]
K40 laser grounding instructions
K40 Laser Cutter –
R1dd1ck's K40 upgrades - Show & Tell: Machines! - Cohesion3D Community
The complete idiots guide to Chinese K40 Laser Cutters for
K40 Upgrades - John's Tech Blog
Make That Laser Cutter Blaze: Upgrade a K40 - Make
K40 Laser control panel best upgrade under $10.
K40 motherboard upgrade Qs… : r/lasercutting
K40 Upgrades - John's Tech Blog
MORE” K40 LASER UPGRADES & IMPROVEMENT'S
K40 LASER UPGRADES *TEST DRIVE*
K40 CO2 Laser - Correcting Alignment Issues Part 2!
Replacement Board for Imtech K40+ : r/lasercutting
K40 laser grounding instructions