Computers use inkjet printers to create printed work executed by command by contact of tiny ink droplets on paper. It is the most widely use printer and comes in a variation of sizes with a range of prices for whichever work its intended for. It has been around for a long time and its performing ability has been made better making the purchasers range even wider.
The technology behind this printer is in two ways. First we have continuous inkjet and the idea behind this is charged droplets entering an electrostatic field at high speed, a huge amount of this ink is recycled therefore a small amount is actually used in printing. Printing by this technology is quite fast thus printing speed cannot be a problem.
There is a technology known as drop on demand and it has two types. Thermal and piezoelectric. Thermal involves passing of a pulse of current through a source of heat which causes the ink to vaporize into bubble, pressure increases thus making ink droplets to be pushed onto paper. This ink is aqueous so forming vaporized bubbles is easy. The technology is not the same with the one behind thermal printers.
Piezoelectric makes use of a piezoelectric material and is also different from the one which employs use of a heating source. This increases the chances of use of various ink types as they do not need to be volatile.
Ink used on these type of printers should be aqueous and also cheap to manufacture only problem being that it is not easy to control the ink on a media surface. The inks are to be used with thermal heads as they need water so as to be used. Inks come in different types, soluble ink, hard soluble ink, mild soluble ink, UV curable dyes sublimate ink. The outcome of the printed work of these types of ink varies by quality standard of the printed work an d also the durability.
There are two main types of inkjet head. First is the fixed type which comes built into the printer and is expected to last the life of the printer replacement is expensive and for some it might require replacement of the printer itself. Second type is a disposable head which is part of replaceable cartridge. This means if a print head gets damaged replacing it will not be difficult in fact it is just like refilling an exhausted ink cartridge.
Inkjet printing problems can be caused by ink drying up on nozzles of the print head this is corrected by cleaning. Some printers come with a manual clean mode for the operator to manually clean the print head. Clogged inkjet nozzles may be cleaned by soaking in shallow water for a minute.
As compared to earlier types of printers, inkjet printers do not make as much noise and they print better detail. In comparison to more expensive types of printers, they take short warm up time, its printing costs as per page are cheaper in comparison other than with laser printers. It disadvantages that is expensive ink and cartridge has been sorted out by third party manufacturers.
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I have more reviews and information about laser printers at my Website. You may also be interested in reading my article on wireless printer servers .
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