I have used Fantastic for many years, and now use Orange Clean. Use a small stiff brush to scrub it a bit, and wipe off. I use a small 1 to 1.5" paint brush with the bristles cut down to 1/2" long for the brush. Best thing to do is take the case apart, soak it down with cleaner, scrub it, and rinse in hot water, and let dry. I use the same procedure for laser printer cases, etc. Raymond