Method and device for printing on a substrate by means of inkjet printing

Abstract

The invention relates to a method for printing on a substrate by means of inkjet printing, in which method landing zones are provided on the substrate in a landing zone grid consisting of landing zone columns and landing zone rows, and the landing zones are each printed on using an individual pattern consisting of one or more drops by means of one or more print head nozzles of a print head, wherein the print head nozzles are moved over a surface of the substrate along an imaginary nozzle path during printing. The invention also relates to a device for printing on a substrate comprising a landing zone grid consisting of landing zone columns and landing zone rows by means of inkjet printing. In order to provide a method and a device for printing on a substrate by means of inkjet printing, which method and device allow a substrate to be printed on efficiently and simply, with the print result being particularly uniform and without unwanted artefacts and in particular the printed surface being free from lines and Moiré effects, in the method landing zones are provided on the substrate in a landing zone grid consisting of landing zone columns and landing zone rows, and the landing zones are each printed on using an individual pattern consisting of drops by means of print head nozzles of a print head, wherein the print head nozzles and the surface of the substrate are moved relative to one another along an imaginary nozzle path during printing. All individual patterns of a print nozzle path are printed in multiple passes, wherein in each pass only parts of individual patterns and/or only some of all individual patterns are printed along the nozzle path in landing zones, and in at least one subsequent pass missing parts of individual patterns or further entire individual patterns are printed in incomplete or empty landing zones. In addition, between the individual passes, the print head and the surface of the substrate are moved relative to one another laterally to the nozzle path by a lateral offset.