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What is continuous inkjet printing?

Inkjet printers are the most common type of printers used today. Two main methods can be distinguished: drop-on-demand and continuous inkjet technologies.

Dod printers work by expelling tiny ink droplets, one drop at a time, with each drop precisely placed onto the substrate.

Continuous inkjet printers expel ink from the print nozzles in a continuous, steady flow.

Typical substrates suited to inkjet printing include paper, films, metal, plastics, and many other materials.



A closer look at CIJ printing

An industrial Continuous Inkjet ( CIJ ) printer is used for coding and marking products and packaging during production and packaging processes. Mainly variable data is printed; typical applications include expiry dates, batch and production information, serial numbers, and promotional codes.

CIJ printing is a non-contact, versatile solution for these use cases, providing high-quality, reliable coding on fast-paced production lines. By reliably coding each product they can help to ensure high overall equipment effectiveness (OEE).

Among Continuous inkjet printers, Domino’s Ax-Series are a preferred choice. They are simple to install, extremely versatile, and able to print on a wide range of product materials. Ax-Series printers deliver outstanding coding on a wide range of products and substrates. Common applications include bottles, cans, sachets, films and foil, pipes, profiles, cable and wire.

How does a CIJ Printer work?

CIJ is short for continuous inkjet. In a CIJ printer, ink is pumped from an ink reservoir and ejected through a nozzle that creates a jet of ink.

The jet of ink is then broken up into a large number of ink droplets through high frequency vibration. Once the droplets are formed select droplets are charged by electrodes. The stream of droplets then passes through deflector plates which create an electrostatic field.

The charged drops are deflected as they move through the deflector plates, to be ejected from the print head and placed on the product to form the required message. Uncharged drops are not deflected and return into the CIJ ink system.

Through this printing process the solvent base of the ink will evaporate, changing the ink’s viscosity. To ensure the optimum drop formulation the viscosity must be tightly controlled to a defined value.

Integrated Continuous Inkjet (CIJ) solutions

Integrated solutions in today’s production environments, printers need to be capable of more than just printing; Domino’s Ax-Series range of CIJ printers offer manufacturers:

Leading industrial communication protocols to simplify installation and production line automation.

Automation and integration with vision systems help to reduce human errors.

Industry 4.0 and cloud connectivity to ensure you get the most of your coding solution.

Remote monitoring to make you aware of coming problems before they actually cause disruption.

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