How to Clean Mirrors & Lens of CO2 Laser Cutter?
There are 3 mirrors and one lens in CO2 laser cutter, and the mirrors & lens need to be clean with alcohol to keep clearly to reflect the laser in daily usage.
This is a working video of 180W CO2 laser cutting machine for 3D wood puzzle making, the wood laser cutter is used for cutting wood, MDF, plywood into 3D wood puzzle, wood crafts, wood gifts, wood arts, desktop office toys and other laser wood cutting projects.

If you want to get one similar laser wood cutting machine with four laser cutting heads or need more information about the laser wood cutter, don't hesitate to tell us.
There are 3 mirrors and one lens in CO2 laser cutter, and the mirrors & lens need to be clean with alcohol to keep clearly to reflect the laser in daily usage.
This is a video of Multi-heads CO2 laser cutter used to cut plywood, MDF, acrylic, paper, and wood, and the four heads can cut four parts at the same time.
This video shows 280W mixed laser cutter for 25mm acrylic signs cutting, which can cut max 30mm acrylic sheet. And it can also cut some thin sheet metals.