Clean it with an alcohol swap, and your good to go. However I have also recommended using a conditioning stone like you would use on glass for those who have a hard time running it. Personally, I like DW the best on it, but I don't recommend ceramic to people due to it's difficulty to run, unless the user is very well versed in friction calls. The stone will help, but ceramic should run without any conditioning, given the user's ability. You should also pay a lot of attention to keeping your striker tip clean with it. Scott.