A method for detecting a faulty application of a in the applied state invisible coating material, in particular of a primer, for printing, of a recording medium and corresponding printing system

摘要

The present invention relates to a method for detecting a faulty application of a in the applied state invisible coating material, in particular of a primer, for printing, of a recording medium, comprising the following steps: printing a print area of a recording medium with a coating material by means of an ink jet printing, - print head; printing on a first ink over the width of the with the coating material printed print area of the recording medium; printing of a thin line of a second ink over the width of the pressure region to the first colour; analyzing the bleeding behavior of the first and second color along the thin line. The present invention also relates to a printing system.n="31"