Industrial Inkjet Printer Inkis a specialized type of ink used in industrial inkjet printers for marking, coding, and printing directly on products or packaging. The ink used in industrial printers must be durable, fast-drying, and able to adhere to a wide range of surfaces, such as plastic, metal, glass, and paper. Industrial inkjet printer inks are formulated for specific applications like product identification, barcoding, labeling, and date coding in high-speed production environments.