Computers and Technology

Inkjet Printers
By Seth Miller

Inkjet printers are the most popular type of computer printer intended for home or office use. The advent of the inkjet printer has enabled us to print vivid, high-quality documents, photographs, and pictures on paper.

Since these types of printers were introduced back in the 1980s, they have continuously developed and evolved to become the most widely used printer for personal and small business use. Most of the bestselling inkjet printers today are made by either one of the following manufacturers: Hewlett-Packard, Epson, Canon, or Lexmark.

Inkjet printers work by spraying droplets of ink onto the paper through tiny nozzles enclosed in the print head. This moves back and forth across the page, while the paper moves forward, until the entire document text or image is rendered. These droplets of ink form the dots that determine the resolution and quality of the printed output. High-quality or high-resolution images have a greater number of dots per inch, or dpi. Typically, inkjet printers use four colors: black, cyan, magenta, and yellow. The printer creates various hues and shades by mixing these colors into various combinations.

Inkjet printers offer a number of advantages compared to earlier printers. The biggest advantage of inkjet printers is that they produce high-quality prints with finer detail and higher resolution. Ink jets are also quieter in operation. They are also relatively inexpensive, as well as very easy to operate. However, inkjet printers also have some disadvantages. The printing output is not as accurate and fine as those of laser printers. Ink bleeding and running is also a disadvantage. Also, ink cartridges are prone to clogging and are quite expensive. Thus, some users of inkjet printer resort to cheaper copies of cartridges, ink-refilling kits, and other cheap alternatives to save money on ink.

Nevertheless, an inkjet printer is still an excellent choice if you want an inexpensive printer that can produce high-quality prints quickly. If you are planning to buy an inkjet printer, check out all the choices available and choose the one that best fits your budget and meets your high-quality printing needs.

Inkjet Printers provides detailed information on Inkjet Printers, Inkjet Printer Ink, Inkjet Printer Cartridges, CD Inkjet Printers and more. Inkjet Printers is affiliated with Inkjet Printers.

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Inkjet Printers
By Richard Romando

Printers came to the fore in response to the growing need of computer-users to reproduce permanent records of documents and keep a paper trail of necessary transactions. Commencing with simple, all-text printed documents, various outputs can be reproduced at present for home and office applications alike. An assortment of models and designs of printers has proliferated over the years, making printing simple correspondence to complex graphics and images easier and more stunning.

Printers that are designed for home and business use can generally be categorized into seven kinds: dot matrix, daisywheel, solid ink, dye sublimation, thermal wax, thermal autochrome, laser, and lastly, inkjet printers. Inkjet printers build up images and characters through a series of nozzles. They make use of one of the three technologies present in the print cartridge, namely piezoelectric, thermal, and continuous. Of the three, piezoelectric crystal is the most commonly used and is found in the nozzle in the print head. Various inks can be used in a piezoelectric inkjet, but they are prone to clogging and require relatively pricey ink cartridges. Thermal inkjet has a cheaper print head than other inkjet technologies but its output is more susceptible to smudging, running, and ink bleeding because of the water-based ink it uses.

Inkjet printers can be purchased at a much lower price than all the other up-to-date printers but have higher maintenance cost than laser printers. Moreover, they are not designed for voluminous work because of their low speed and low duty cycle. Inkjets can churn out two to seven pages per minute (ppm) and print colored outputs good enough for personal or educational use.

An ordinary inkjet printer is composed of numerous parts, but the parts that do most of the working are the print head, ink cartridges, and control circuitry. The control circuitry is a very tiny device attached in the inkjet cartridge that interprets the information forwarded to the printer from the computer. Some companies manufacture and furnish printers with an immovable print head. The print head of these inkjet printers are fixed inside the printer. On the other hand, some inkjet printers are also designed with a print head that is connected to detachable and replaceable ink cartridge.

The most recent printing technologies are the thermal wax and the dye sublimation. They work best for professionals in the advertising and graphic design fields because of their first-rate print quality and graphic capabilities. However, they are quite expensive and slow. The laser printer comes close today to thermal wax and dye sublimation in terms of image quality, and to inkjet printers in terms of popularity. Most of today s laser printers promise faster speed ratings and color and image quality that are as good as those offered by the costly printers.

Inkjets provides detailed information on Inkjets, Inkjet Cartridges, Inkjet Printers, Color Inkjets and more. Inkjets is affiliated with Inkjet Printer Cartridges.

Article Source: http://EzineArticles.com/?expert=Richard_Romando
http://EzineArticles.com/?Inkjet-Printers&id=269008

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