1. A method for determining optimum noise filter setting for use by a scanner in a system including a printer for printing images and a scanner for scanning images printed by the printer, the method comprising: (a) obtaining input test image data representing a test image; (b) printing the test image; (c) scanning the printed test image to generate scanned test image data; (d) based on the scanned test image data and the input test image data, determining an optimum noise filter setting for the scanner to be used for scanning images printed by the printer; and (e) storing the optimum noise filter setting.