This knife sharpening service is vital for keeping your paper cutter operating at an optimum level. Over time, the blades in a paper cutter get worn down from use. Replacing the knives can get quite costly, so a blade sharpening service can be a welcome alternative! The cutting knife can be removed from the machine and sent into a knife sharpening facility for a fraction of the price of getting a brand new knife, and it will be just as sharp!