why is there no information on laser machines for marking metal?

[Ron H]

I am surprised there has been no posts or threads concerning the use of laser machines for marking out lines on metal. I am just getting started on my engraving journey and have been wasting hours of time trying to get a good transfer. I have struggling to use the acetone transfer method. Most of the recommended laser printer are older and the manufactures have "fixed" the problems with toner fusing. I am at a point I need to practice and would like to put some of my own sketches onto a plate. I know that several of the top engravers will sell you a laser marked practice plate. Can they help in letting the community know what machine do or don't work? What power laser is needed? Can you use a small 5 watt machine or do you need a larger 30 to 50 watt machine. I am looking for machine that will just mark the metal not engrave it. Any thoughts, opinions and recommendations are appreciated. If I have missed posting on this subject please send me the links I missed. Thanks