> Excellent. Could you share the name/picture/link of that product please?
>
> I will buy it myself and try out the product and report back.
Rustoleum Painter's Touch Ultra Cover 2X - Black
> I am not sure where to get the width of the laser beam. Do they mention these in the machine's manual?
Almost certainly. Our does.
> Don't you use a ventilator? The cutter I use is directly connected to a vacuuming ventilator. Anything that is airborne should be sucked right out?
Sure, but if you have any control over yours, the more the better.
After you burn the paint off, we use a isopropyl alcohol on a cotton ball to gently remove anything that's loosely stuck to the board, especially over the copper that was burned-off.
And use raster mode, rather than vector mode.
-e