One of the two broad types of inkjet technology, the other being drop on demand (DOD), or impulse inkjetĬentipoise, the unit of viscosity, equal to 1 mPa s in SI unitsĬhannels Per Inch, equivalent to nozzle density (NPI) The material ( dye or pigment) used to give colour to the print, due to selective absorption or reflection of different wavelengths of light The range of colours that can be reproduced with a process colour ink setĪ method of ensuring correct colours are reproduced in the print when referenced to the source image If a separate black ink is not used, then the black formed using just the three colours is referred to as a composite black The majority component of an ink, into which the other components are dissolved or dispersedĬontinuous Inkjet, one of the two broad types of inkjet technology, the other being drop on demand (DOD), or impulse inkjetĬyan, magenta, yellow and black (black is referred to as K because it is the 'key' colour used for registering other colours in traditional printing, and also avoids confusion with blue in RGB) process colours used to form full colour images. Also known as Thermal Inkjet (TIJ)Ĭovering the printhead when not in use to protect from damage, solvent evaporation and UV light Joining together of pigment particles to make larger particles, which causes problems in a dispersionĪ UV light source using an excited mercury vapour to emit ultraviolet lightĪ drop-on-demand printhead where all drops ejected by the printhead are of the same volume (as opposed to a greyscale printhead)Ī form of continuous inkjet technology where the drops are either printed or recirculatedĪ drop on demand technology where the ink is boiled very rapidly to grow a bubble and eject a drop. The number of individually addressable points in a given area of print, usually expressed in DPIxDPI The part of the printhead that causes the ink ejection from the nozzle, usually a piezoelectric element (this role is played by the heater in a TIJ printheadĪ material added to an ink in small concentrations used to modify its properties
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