| 摘要 |
A method of security control in an image forming apparatus that carries out print processing based on XPS data, which includes, at least, a first step of decompressing compressed XPS data in a secondary storage device (for example, an HDD), a second step of converting the decompressed XPS data into bit map data, a third step of carrying out print processing based on said bit map data, and a fourth step of specifying the elements having levels of importance above a prescribed level, which has been set in advance among constituent elements of said XPS data decompressed in a secondary storage device, and erasing the specified elements by overwriting after said print processing.
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