Piezo Drop On Demand printing

Superior versatility

C-Series Plus and K-Series

Domino's C-Series and K-Series printers apply Piezo DOD technology to print on a wide range of substrates using aqueous and/or UV curable inks.

C-Series Plus and K-Series

The print heads of these printers contain a series of chambers that are filled with ink. Applying electrical voltage to the walls of these chambers causes distortion and twisting of the walls outwards. This distortion causes the ink pressure to drop, drawing more ink into the chamber. When the power supply is interrupted, the walls return to their initial positions, the ink droplets are ejected through the selected print nozzle.

These droplets create high-resolution text, barcodes, graphics and variable data on a wide range of coated and uncoated media, plastic cards and labels.

How does it work?

Drop On Demand (DOD) is a broad classification of ink jet printing technology where drops are ejected from the print head only when required. The drops are formed by the creation of a pressure pulse within the print head. The particular method used to generate this pressure pulse creates the primary sub-categories within DOD, namely thermal and piezoelectric (piezo).

With piezo DOD, a piezoelectric crystal undergoes distortion when an electric field is applied. This distortion creates a pressure pulse in the ink chamber within the print head, which in turn, causes an ink droplet to be ejected from the nozzle onto the substrate.

Key benefits

  • Productivity – operating at linear speeds up to 150 m/min at 300 dpi print resolution,

  • Superior print quality is achieved through 500 nozzles printing up to 600 dpi (native) and 1200 dpi (nominal),

  • Reliability – few moving parts minimizes manual intervention and reduces downtime,

  • Flexibility - enabling ad-hoc printing runs and personalisation of packaging,

  • Non-contact printing ensures package protection.

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