No experience with the sharpmaker, but if your having troubles, just ship it back to busse. I'm fairly certain its free as well. Couldn't imagine them charging; their CS is the cats pajamas. If they do charge, send it my way, and I'll convex her for ya You wont need it back, right?
"Because your own strength is unequal to the task, do not assume that it is beyond the powers of man; but if anything is within the powers and province of man, believe that it is within your own compass also." -Marcus Aurelius