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It is crucial that offset ink resist water-in-ink emulsification (i.e., repel rather than absorb water). It also should withstand degradation by the fountain solution that covers the non-printing areas of the engraved plate. Offset ink needs to be very rich in pigment so that its full color vibrancy is perceptible, even in minute quantity. [2] [3]
The printing depends on the smooth flow of ink, which can be hindered if the ink begins to dry at the print head, as can happen when an ink level becomes low. Dried ink can be cleaned from a cartridge print head using 91% denatured isopropyl alcohol (not rubbing alcohol). [ 5 ]
A continuous ink system (CIS), also known as a continuous ink supply system (CISS), a continuous flow system (CFS), an automatic ink refill system (AIRS), a bulk feed ink system (BFIS), or an off-axis ink delivery system (OIDS) is a method for delivering a large volume of liquid ink to a comparatively small inkjet printhead. Many business and ...
Dot matrix printers are a type of impact printer that prints using a fixed number of pins or wires [2] [3] and typically use a print head that moves back and forth or in an up-and-down motion on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper.
Optically variable ink used in popular USB drives that are often subject to counterfeiting. Taken from 2 different angles. Optically variable ink ( OVI ) also called color shifting ink is an anti- counterfeiting measure used on many major modern banknotes , as well as on other official documents ( professional licenses , for example).
[26] [27] [24] Windows 3.1, 95, and 98 supports customizing the color of the screen [28] whereas the color is hard-coded in the Windows NT family. [28] Windows 95, 98, and Me render their BSoDs in the 80×25 text mode with a 720×400 screen resolution. BSoDs in the Windows NT family initially used the 80×50 text mode with a 720×400 screen ...