| 摘要 |
A system to print a security document and a control method thereof. The printing system simplifies a security procedure, and minimizes or prevents the security document from being illegally copied or copied without authorization. The printing system includes an input unit which receives an authenticator to copy the security document, and an output unit which determines whether the authenticator is equal to an authentication mark on the security document, and copies the security document in different ways according to the determined result.
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