| 摘要 |
A process for the treatment of an erasable lithographic printing plate, includes treating a used or unused printing plate with an erasing compositio n to clean the printing plate, laser imaging the printing plate with a polymer ic substance, and to provide an image thereon, and fixing the image on the printing plate. Further, the printing plane has applied thereto any one of a heat-curable and water-soluble substance, if desired, immediately after the laser imaging, or a water-soluble substance immediately after the laser imaging, or a heat-curable and water-soluble substance immediately after the laser imaging, followed by warming of the printing plate. The water-soluble substance or the heat-curable and water-soluble substance is washed off using a solution essentially consisting of water before printing.
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