In the early usage of inkjet printing technology during the 1980's, they have gained wider popularity with the increase of performance and the major drop of printing costs. With a computer set, they are the most common type of printers due to its cheap overhead costs. They can print high quality results and easily be used by anyone without having technical knowledge on printing.

An inkjet printer is just like a simple spray paint but having only small droplets of ink onto your paper to create an image or text. On the price of inkjet printing, they are very inexpensive, fast, and able to produce high quality output similar to printing presses. On the basic components of an inkjet printing equipment are; print head assembly, power supply, paper feed assembly, interface ports and control circuits. Here are the components of a typical inkjet printer and their purpose:

- The print head assembly has many components; this is the core of the printer and contains nozzles used in spraying minute particles of ink. The inkjet cartridge contains the ink to be used; there can be combinations of cartridges depending on the manufacturer.

- Some of the cartridges include the printer head itself, they are moved across the paper using motors to facilitate the printing process. The motor can have variations too, some are not allowed from moving whilst a stabilizer can control the precision of the printing job.

- The inkjet printers' power supply commonly has an external transformer during its early introduction but they are now built-in onto the printer. There is also an added circuitry for embedding additional instructions from the computer to enhance its purpose.

- On the paper feed assembly, this holds the paper and handles the loading of the paper. Either in the back or in the front of the printer, they allow the paper to be placed and hold paper in its place. A roller pulls the paper into the printer and the print head assembly will do its job, depending upon the preferred speed of printing, rollers can steadily feed the printer with paper for continuous printing.

- There are commonly two types of interface ports. In the early introduction of inkjet printing, it uses a parallel port but on the introduction of USB interface, it gave way to its usage on inkjet printers. The USB interface is relatively better due to its smaller plugs and better connection from the printer to the computer.

Inkjet printing these days are usually fast-drying; you can instantly pick up the printed paper without smudging. With this type of printer has a lot of advantages, they are always smooth and quiet, the dot matrix printer is usually noisy and very inefficient to print fine details. In comparison to other types of printing methods such as thermal wax, laser printers and dye sublimations, inkjet printers don't have a warm-up time and inexpensive costs per page with the exception of laser printers.

Also with the disadvantages of inkjet printing, the print heads are always prone to clogging, very expensive ink cartridges. Other consumers will opt to laser printing as this can cater to high-volume printing without having to purchase expensive ink cartridges. There is also a muddy appearance of printouts when using low quality paper. As the inks being used are water-soluble, they are also susceptible to blurring. With a quality printing method, the inkjet can is a fairly mature technology which can always be applicable for personal and office use.




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