| 摘要 |
Another code image may be added so that a code image previously embedded in an original document image can be read. An image forming device may be configured to use, when a second code image is combined with the original document image including a first code image, a result of decoding of the first code image to generate a third code image; and also configured to combine the second code image with the original document image and combine the third code image on the second code image.
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