I have been working with engraving 2-ply acrylic for a few different jobs now, and I can't seem to get a great finish on the engraved areas after cleaning. I am mostly using Rowmark LaserMAX black on white. My machine is a Rabbit QX-80-1290.
I have tried using alcohol, dish soap, Mr. Clean magic eraser, just plain water, and none of them seem to get me a nice white finish. There is usually black smudged somewhere. I have tried applying soap before engraving. I have tried 3M masking tape, and I have tried leaving the protective coating on. I have done my best to ensure that all the mirrors, and the lens are clean and aligned. I am not sure what else to try. Perhaps it just takes more experience, I am not sure. Would some of you be able to tell me how you ensure a good quality engraving on 2-ply acrylic?