| 摘要 |
An image forming apparatus is provided which includes: an image acquisition section (110) which reads an original and acquires an original image; a specific-pattern storage section (141) which stores a specific pattern which expresses, using a dot pattern, apparatus identification information for identifying an apparatus that prints the original image on a sheet of recording paper; an extraction section (132) which extracts an actual image area except a blank area in the original image, and base on the extracted actual image area, extracts a specific area corresponding to an area for printing the specific pattern; and a print section (150) which prints the specific pattern within the actual image area, using a yellow toner.
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