Apparatus and method for inkjet printing on flexible webs

An inkjet printing apparatus for printing on a substrate, such as a flexible packaging material, comprising:

• at least three inkjet heads including a first inkjet head, a second inkjet head, and at least one further inkjet head;
• a transport system configured for transporting the substrate from a first location opposite the first inkjet head to a second location opposite the second inkjet head, to at least one further location opposite the at least one further inkjet head;
• and
• at least one drying unit comprising a first drying unit arranged opposite a first drying location which is located, seen in a transport direction of the substrate, between the first and second location, said first drying unit being configured for physically removing liquid from ink applied by the first inkjet head;
• wherein the transport system comprises at least a first drum and a second drum on which the substrate is transported, and wherein the first and second locations as well as the first drying location are located on an outer surface of the first drum;
• and the at least one further location is located on an outer surface of the second drum.