Industrial solutions for
product marking & coding
Industrial solutions for
product marking & coding
Development & manufacture
"Made in Germany"
50 years of experience
in business & industry

Drop-on-demand inkjet printers

What are drop-on-demand systems?

In drop-on-demand inkjet printers, the printing heads eject discontinuous droplets onto the printing substrate to produce the image by means of the heat-induced explosion of ink bubbles (e.g. in bubble jet printers and thermal inkjets).

Principle

In the drop-on-demand technique, the ink in the tiny print cartridge chambers is first heated until it vaporises. Bubbles of ink are formed that expand and inject a small drop of ink through a nozzle onto the printing surface.

The technology

In the case of drop-on-demand printers, each nozzle is individually controlled. The advantages of the system are the simplicity of the concept and the low cost. Particularly large size fonts can be printed because of the relatively large diameter of the nozzles. The resultant printed image is clean and readily legible. It is also possible to produce good quality printed images on sensitive and uneven surfaces. There are special inks in various colours for use on porous surfaces (paper, cardboard, wood etc.) and smooth, impermeable surfaces (plastic, metal, glass etc.).

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Weber Marking Systems GmbH

Maarweg 33
53619 Rheinbreitbach
Germany