| 摘要 |
An image scanning section 2 scans an information medium and inputs an image. An identification section 64 calculates a size of the information medium from the inputted image and identifies a type of the information medium. Alternatively, a reading section 8 reads identification information from an IC tag of the information medium. The identification section 64 identifies the type of the information medium based on the identification information. A position of a unique image representing personal information has been determined depending on the information medium. An area determination section 63 determines the unique image with respect to the information medium, and determines a position of a specific area in which the unique image exists in the inputted image. When a control section 7 confirms that a copy instruction has been given from an administrator, the control section 7 sets the specific area to be masked depending on a security level of the unique image. The control section 7 performs image processing for masking the set specific area. An image forming section 3 prints the image in a state where the unique image has been hidden.
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