| 摘要 |
A method and apparatus for determining color registration in a multi-color printing press having a plurality of printing stations. A process black registration mark is formed in an identified area by positioning a plurality of color registration marks on top of each other. The process black registration mark is position in a portion of the image that is intended to be printed black, and preferably adjacent to a black ink image. The identified area is examined to determine whether the process black registration mark is properly positioned.
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