Patent ID: 8345317
Filing Date: 2013-01-01
Classification: G03G

Abstract:
1. A copying apparatus comprising: a reading unit configured to read an image of a document; an illumination unit configured to illuminate the document; a generating unit configured to generate first image data that does not include a background component of the document, based on image data output from the reading unit that has read the document in a state where the illumination unit emits a first quantity of light, and generate second image data that does not include the background component of the document, based on image data output from the reading unit that has read the document in a state where the illumination unit emits a second quantity of light that is smaller than the first quantity of light; a detection unit configured to detect a transparent toner image based on the first image data and the second image data; and an image forming unit configured to form, on a sheet, a colored image with a colored toner based on the first image data, and the detected transparent toner image with a transparent toner.