How do printers work?

How do printers work?
In terms of technology, the printer tends to be narrowed into one of two categories: inkjet and lasers. There are other small subcategories such as dot matrix and solid ink too.
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The way the printer works is quite simple. In short, the printer works by converting digital images and text into a physical copy. They do this using special drivers or software that have been designed to change files into languages ​​that can be understood by the printer. Pictures or text are then created back to the page using a series of minicule points. The only real difference that separates various types of available machines is a method where the points are transferred to the page.


Inkjet printer each print head feature contains thousands of small holes. This small opening dropped the microscopic droplets of ink on the paper on a printer at a certain speed.

Inkjet machines use liquid ink produced either with colored color or liquid dyes containing solid pigments in suspension. When the print head moves horizontally on the machine, the paper passes perpendicular to it. Along with the page, the individual hole in the print head is activated (usually with a hot electric current depending on the manufacturer) and a small drop of ink pushed out to the page. This process if done at high speed with thousands of droplets formed together to re-create digital text or images that are being transferred to the media. To the naked eye, the overall image looks solid because the points are very small.

Laser / LED.

Laser and LED machines work in a way similar to inkjet because the image consists of many small dots, which, if viewed overall, it seems to be a solid image. However, the method where adopted in creating small points is very different. So, where inkjet uses liquid points, a laser machine uses points made of toner - smooth solid particle powder.

When compared to inkjet machines, lasers are far more complex. These machines depend on more stages during the process than inkjet. Simply put, the basic process uses a light source (Laser / LED), drum (mono) or several drums (color) and toner.

To create an image on the page, the drum is first charged and then the laser or LED shines on the drum in the outline of the intended image. The toner itself is interested in the drum area that has a torched charge and a series of rollers transferring powder from the toner cartridge and presents it in the drum. The area charged repels the toner and an area that does not attract toner particles that are drawn to the drum and attach to parts that make up the image. At the same time, this paper is also transported to meet the drum, which, in turn, transfers the image to the page itself.

This paper then passes the fuser unit (hot roller) that applies heat and pressure to melt toner particles so that they stick to the page and make the image so.

Solid ink

Only available from Xerox, solid ink printer is done in a way that combines the printing method of inkjet and laser printing. Solid candles melted and sprayed into a large drum unit using a print head similar to those found in inkjet printers. The image is made to a large metallic roller which then transfers directly to the page. After drying, you are left with images made of substances such as crayons. Solid ink printer is famous for producing colorful molds that really stand out.

And there you have it - full details simplify how the printer works. We hope you feel helpful!

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