03 november 2016, 23:08
Wikipedia, the free encyclopedia
The principle of operation of led printers are similar in many ways with the principle of the laser. The printer is based on the principle of dry electrostatic transfer. The light source illuminates the photosensitive surface of the shaft effects the light causes a change in the charge in the illuminated parts of the drum whereby it is attached to the powdery toner. The shaft is rolled on the paper pushing it a toner after which the paper is transferred to the heat fixing device of the oven where high temperature and pressure, the toner fixed on the paper literally vaivase it.
The best effect of fusing is achieved by using the spherical toner was developed in 1996 by company OKI Printing solutions currently used in printers and MFPs OKI and Xerox.
The fundamental difference between led printer from a laser is a mechanism of light of a photosensitive shaft. In the case of laser technology it is made by one light source with which laser with a scanning system of prisms and mirrors runs across the surface of the shaft. In the led printer instead of a laser uses a line of LEDs along the whole surface of the shaft. The number of LEDs in the range from 25 to 10 thousand pieces depending on the printer resolution.
Methods of transferring the toner on the drum onto the paper and secure it to the stove identical to the methods used in laser printing.
The first led printer was launched by OKI company in 1987 and in 1998, the same company released the first color led printer.
In Russia led printers came in 1996, the year when OKI opened a representative office in Moscow. In 1999, its led printers in Russia begin to sell Panasonic Kyocera and OKI, however, continues to be the largest manufacturer of LED printers, and their printers recall the first at the mention of led technology.
In 1996, OKI has started sales in Russia of the chassis of printer OkiPage 4W and OKI representatives in Russia made their biggest mistake the consequences of which are still being felt in the market of led printing. The printer developed by Japanese experts OKI for home use in Russia is going through hard times is positioned as the cheapest printer for the office.
As the OkiPage 4W is much cheaper than their laser counterparts it massively starting to buy up to the offices of small and sometimes medium and large businesses. Where budget printer designed for home printing volumes quickly fails not coping with office needs.
The maximum print volume for OkiPage 4W 2500 sheets per month. In practice, in Russian
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