Method of imaging printing plate especially offset printing plate, involves ink-jet printing developing liquid on image area of plate with ink-accepting and overlying ink-repelling layer and removing resultant changed areas

摘要

Method of imaging printing plates comprises providing a plate with an ink-accepting and an overlying ink-repelling layer; applying a developing liquid to the areas of the ink-repelling layer corresponding to the required image by ink-jet printing; and removing the resultant changed areas.