Abstract: A process and a device for producing a printing tool in which a mask for sectional chemical passivation is applied to the surface of a workpiece that is to be subjected to a chemical surface working. In accordance with one embodiment, the process for producing a printing tool includes the steps of providing a workpiece having a surface which is subjected to a chemical surface working and spot spraying the surface of the workpiece section-by-section with a mask for sectional chemical passivation where the mask is essentially a wax and is sprayed onto the surface of the workpiece by a plurality of nozzles that are controlled with EDP support.