Inkjet technologies are all over the place at drupa. While many applications are based on putting ink on paper, inkjet technology is capable placing ink, other liquids and solids on a wide variety of substrates including cotten fabrics, plastics, metal films and many others.
Gail Nickel-Kailing has an interview with Martin Schoeppler, CEO of FUJIFILM Dimatix about the company's technology being used to produce life science and printed electronics applications.
I saw examples of non-print communication applications at Xerox's drupa booth. Peter Crean, a senior research fellow at Xerox provided a glimpse the companies new ink jet head technology being used to create 3D prototypes.