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drop on demand (DoD)

The

drop-on-demand

(DoD) process is a method for optimizing ink delivery

in

inkjet printers

.
Thermal bubblejet principle

Thermal bubblejet principle

In the drop-on-demand process, an ink drop is only produced when it is needed for printing. The ink is contained in a thin capillary where it is protected from leaking by negative pressure. When an ink drop is required, it is triggered and sprayed onto themedium

according to various processes. In the drop-on-demand process, a distinction is made between the process based on the piezoeffect, which is used in piezo printers, and the bubble process, which works with a heating element, the bubble jet.

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Englisch: drop on demand - DoD
Updated at: 05.03.2012
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