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About Ink Jet |
An inkjet ink formulation can be explained fairly simply. It consists of a carrier fluid that keeps the ink in a liquid state and acts as a “carrier” for the colorant. This fluid evaporates as the ink dries, leaving the colorant in or on the media surface. The carrier fluid used in most popular desktop and wide-format “photo” printers is water; the colorant is either dye or pigment, or a combination of both. A co-solvent, usually glycol or glycerine, is often used to control the ink’s drying time, as well as its viscosity during manufacturing. Small amounts of other additives are also present in most inks. These additives help control things like dot gain, drop formation, print head corrosion, and pH level, fade resistance and colour brilliance. However, in simple terms, we can think of ink as being a carrier fluid and a colorant.
The difference between a dye and a pigment is simple to explain. A dye is a colorant that is fully dissolved into the carrier fluid, and the resultant ink is a true solution. Once dissolved into the carrier fluid, a well-made dye should never separate or settle out. One dye ink analogy is that it’s like diluting a fruit juice with water. Once stirred, it never separates again - no matter how long you leave it. A pigment is a very fine powder of solid colorant particles suspended or dispersed throughout the carrier fluid. A crude analogy for a pigment ink is that it resembles sandy-coloured water in a river or at sea. If you look closely, you can see the particles of sand dispersed throughout the water. The secret in making a good pigment ink is to keep the pigment suspended in the carrier fluid for a long period of time, particularly at the low viscosities required for inkjet printers. Pigments have a natural tendency to settle out much like the sand in the sandy water analogy.
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About Printers and Fax |
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Brother MFC-8870DW
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About Brother |
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Our Brother office machine portfolio of products includes Printers and Fax machines, both inkjet or laser, Labelling systems , scanners and laminators. Brother have been supplying the world with quality Printers and Fax machines for a long time and are always improving on the standard of their products.
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Brother MFC-8870DW
Brother MFC-5860CN
Brother MFC-7820N
Brother 8360P Laser Fax
Brother FAX-1460
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