CPC B41J 2/2142 (2013.01) [B41J 2/2139 (2013.01); B41J 2/2146 (2013.01); B41J 29/393 (2013.01); B41J 2029/3935 (2013.01)] | 15 Claims |
1. A method for determining print defects in a printing operation carried out on an inkjet printing machine for processing a print job, the method comprising the following steps:
using a camera system to record and digitize printed products generated during the printing operation;
feeding a camera image generated in the camera system to a detection algorithm on a computer, using the detection algorithm to separate color separations of the camera images, detect the print defects in the color separations, link images of individual color separations to form a candidate image, filter the candidate image, enter remaining detected print defects into a list, and forward the list to a machine control unit of the printing machine;
alerting the machine control unit when print defects are found; and
ejecting a printed product by using a waste ejector if necessary.
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