| 摘要 |
The invention relates to a method for printing details onto a document, especially a passport, which comprises the following steps: a) detecting, by means of a first camera, two intersecting edges of the document; b) calculating the position of a first field of the document to be imprinted with a first detail using the position of the detected edges; c) positioning a print head on the first field to be imprinted and printing the first detail; d) detecting, by means of a second camera, a graphic element in the document; e) calculating the position of a second field to be imprinted using the position of the detected graphic element; f) positioning the print head on the second field to be imprinted and printing the second detail.
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