Wednesday, September 28, 2011
Black Pearl: Toner - a product of high technology
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In 1984, at the dawn of the laser, toner cartridges, HP was a powder with a particle size of about 20 microns. As technology advances isovershenstvovaniya cartridge design toner particle size was reduced to provide the necessary quality to consumers. By 1991, the particle size toner was reduced to 8 microns, and by the end of 1990 - up to 4 mm. In 2001, the HP print cartridge design appeared chip to control his condition during the printing process, and in 2005 a new kind of toner manufacturing process - a chemical synthesis that yields particles of spherical shape and size of 3-4 microns. With the advent of color laser toner composition has changed, resulting in the need for change, and technology feed the toner to the drum. All this has led not only to improve the quality of printing, but also to improve performance and service life of laser printers HP.
High-tech product
Modern toner - is not just a fine grind powder. With grinding you can get the particle size of 8 to 20 microns, also these particles will have a large spread in size and shape, which adversely affects the quality of printing. In addition, the particles obtained by grinding, have sharp edges and, therefore, more abrasive, which can not affect the component life and printer cartridges - in particular, the drum. Chemical synthesis, which uses toner to produce a company HP, - a complex process that yields particles of the same spherical size 3-4 microns. But not only in shape and size. Generally speaking, a spherical toner HP in terms of the geometry is similar to the same black pearls, and unoriginal - fine gravel (with appropriate mechanical properties).
HP toner particles have a complex structure in which each element is used to perform a certain task. Toner, as well as any other element of a printer - a product of high technology, ion from the outset developed as part of the printing system HP, optimized for specific processes, physical and chemical properties of substances used in the nodes and covers the printing mechanism and the cartridge. Therefore, with a variety of HP printer mechanism, various modifications of the toner, and the "universal" toner does not exist. Thus, only the original toner can provide high-quality printing and long life of your printer. A ready-made (the more "ground"), the toner is not only affecting the quality of printing, but can also damage the printer. For example, the polymer forms the basis of toner HP, has a low melting point, thus reducing the temperature of the roller fixing. This approach reduces energy consumption, reduces heat-up time and allows you to print faster. "Unoriginal" toner more refractory and therefore poorly recorded on paper, resulting in poor quality printing and can ruin the site of fixation.
Anatomy of a pearl
The pigment that makes the printed image visible, though it is the main functional part of the toner is only 10% of its mass and distributed in the polymer shell of each particle. The polymer membrane serves as a "transport", which carries the pigment onto the paper, and is responsible for binding to the paper in the process of fixation.
So that toner can be transferred to the drum, it should have "flow" - we can not allow the particles stuck together in a cartridge. In addition, to transfer the image from the photoconductor toner to the paper must carry an electrical charge. These properties are achieved by applying to the surface of the shell of the toner particles of special additives (agents).
The core of each particle is composed of low-melting paraffin. This component plays an important role in the process of fixing images on paper - it serves as a lubricant which does not allow the printed sheets to stick to the rollers locked (just like a layer of oil prevents sticking to the pan pancake).
The composition of the toner also includes components designed for specific tasks. For example, themonochrome toner HP has magnetic properties that help to transfer the powder from the hopper onto the drum and developer from drum to drum developer. In addition, it helps to prevent "leakage" of toner through the gaps seals that are larger than the size of toner particles: magnetic gaskets are also made.
High-tech product
Modern toner - is not just a fine grind powder. With grinding you can get the particle size of 8 to 20 microns, also these particles will have a large spread in size and shape, which adversely affects the quality of printing. In addition, the particles obtained by grinding, have sharp edges and, therefore, more abrasive, which can not affect the component life and printer cartridges - in particular, the drum. Chemical synthesis, which uses toner to produce a company HP, - a complex process that yields particles of the same spherical size 3-4 microns. But not only in shape and size. Generally speaking, a spherical toner HP in terms of the geometry is similar to the same black pearls, and unoriginal - fine gravel (with appropriate mechanical properties).
HP toner particles have a complex structure in which each element is used to perform a certain task. Toner, as well as any other element of a printer - a product of high technology, ion from the outset developed as part of the printing system HP, optimized for specific processes, physical and chemical properties of substances used in the nodes and covers the printing mechanism and the cartridge. Therefore, with a variety of HP printer mechanism, various modifications of the toner, and the "universal" toner does not exist. Thus, only the original toner can provide high-quality printing and long life of your printer. A ready-made (the more "ground"), the toner is not only affecting the quality of printing, but can also damage the printer. For example, the polymer forms the basis of toner HP, has a low melting point, thus reducing the temperature of the roller fixing. This approach reduces energy consumption, reduces heat-up time and allows you to print faster. "Unoriginal" toner more refractory and therefore poorly recorded on paper, resulting in poor quality printing and can ruin the site of fixation.
Anatomy of a pearl
The pigment that makes the printed image visible, though it is the main functional part of the toner is only 10% of its mass and distributed in the polymer shell of each particle. The polymer membrane serves as a "transport", which carries the pigment onto the paper, and is responsible for binding to the paper in the process of fixation.
So that toner can be transferred to the drum, it should have "flow" - we can not allow the particles stuck together in a cartridge. In addition, to transfer the image from the photoconductor toner to the paper must carry an electrical charge. These properties are achieved by applying to the surface of the shell of the toner particles of special additives (agents).
The core of each particle is composed of low-melting paraffin. This component plays an important role in the process of fixing images on paper - it serves as a lubricant which does not allow the printed sheets to stick to the rollers locked (just like a layer of oil prevents sticking to the pan pancake).
The composition of the toner also includes components designed for specific tasks. For example, themonochrome toner HP has magnetic properties that help to transfer the powder from the hopper onto the drum and developer from drum to drum developer. In addition, it helps to prevent "leakage" of toner through the gaps seals that are larger than the size of toner particles: magnetic gaskets are also made.
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