MEDIUM DETECTING DEVICE AND METHOD, IMAGE FORMING APPARATUS EMPLOYING THE MEDIUM DETECTING DEVICE, AND IMAGE OUTPUT METHOD OF THE SAME

摘要

A medium detecting device to detect information corresponding to a printing medium fed through a medium transport path, includes a detecting unit to detect a contour form information of the printing medium; and a discriminating unit to determine a format of the printing medium and feeding information based on the contour form information of the printing medium detected by the detecting unit.