| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for securing the printing quality of a planographic printing plate obtained by a plate making method by which an ink accepting silver image is formed on a printing area, and a method for obtaining the color reference system for securing the printing quality of the planographic printing plate. SOLUTION: This method for securing the printing quality of the planographic printing plate obtained by the plate making method by which the ink accepting silver image is formed on the printing area includes a stage where the color of the silver image of the plate is suited to the plural reference colors included in the color reference system giving information related to the printing quality of the planographic printing plate with the silver base. The color reference system gives the information related to one or plural parameters of the plate making methods, or adjusts one or plural parameters and the quality of a plate obtained by the method can be improved. |
