Patent ID: 9016823
Filing Date: 2015-04-28
Classification: B41J

Abstract:
1. A printing system for printing multiple copies of a print job having one or more documents, comprising: a plurality of printheads adapted to print on a print medium, wherein each of the plurality of printheads prints each of a plurality of color planes of a first copy of the print job; one or more processors to: i) determine a first plurality of color registration errors produced during the printing of the first copy of the print job; ii) determine global color plane correction values for each document of the first copy of the print job based on the first plurality of color registration errors; iii) determine a first plurality of local color plane correction values for each color registration error produced during the printing of the first copy of the print job, wherein each of the first plurality of local color plane correction values corresponds to one of the first plurality of color registration errors; and iv) locally adjust the global color plane correction values for each document based on the first plurality of local color plane correction values; and the plurality of printheads printing a second copy of the print job using the locally adjusted global color plane correction values for each document in the print job.