| 摘要 |
PROBLEM TO BE SOLVED: To provide a printer which prints predetermined information by a mirror image and can facilitate checking of the printed information contents. SOLUTION: In a printing mode of the mirror image, not only a symbol image of a QR code is printed by the mirror image, but the symbol image is printed also by a correct image along with this. The contents can be easily checked by reading the information contents of the symbol image on the basis of the correct image. COPYRIGHT: (C)2007,JPO&INPIT
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