|What Is New With Toners and Cartridges|
|Saturday, 17 April 2010 00:00|
Development of laser printers is generally connected with the increase in printing speed and resolution. The latter implies quantity of dots per square inch and depends on the laser beam possibilities. In light-emitting diode printers which yet make the minority, it is density of light-emitting diodes that defines the resolution.
Endless modification of the laser assembly of printer to achieve higher resolution is impossible. Higher printing resolution can also be achieved by making toner particles smaller. Moreover, the melting temperature of toner may vary from 140 to 200 degrees on Celsius. Introductions of toner with low fixing temperature increased a running cycle of the printer without losing in quality of impressions.
Innovation in HP printers and MFPs
A short time ago, HP presented a new series of black-and-white (P1005, P1006, P1505 and P1505n) and color (Color LaserJet CP3505, CP1210, CP1510, CP2020 and CP4005) laser printers. HP LaserJet P100x series printers worked with СВ435А cartridges, and HP LaserJet printers P150x use СВ436А cartridges. As the company claims, the СВ435А cartridge lasts for about 1500 pages at 5% page filling; the СВ435А lasts for around 2000 pages.
There is little difference between the СВ435A and the СВ436, has former has a built-in chip and railings on the case. The cartridges are not compatible.
The two cartridges are loaded with magnetic toner, either chemical or physical, with evenly shaped particles. This makes them different from previous cartridge models of same grade HP used. The new toner also has lower melting temperature. Toner weight in starter 1000-page cartridge is 58.4 grams, in a standard 2000-page cartridge – about 110 grams.
Xerox New Initiatives
Xerox, too, has ventured into new toner production. Company’s emulsion aggregation (EA) toner plant in Webster started preparations for production of low-melting EA toner. The mass production of this low-melting toner is a breakthrough in the printing industry that begins a new era of digital printing, Xerox said. It is well know that fuser is one of the most energy-consuming units in printer. It uses energy to warm up the thermal element to the required temperature and maintain it. Use of new toner allows reducing energy consumption of digital devices by 15-30%.
Toner fixing onto paper is the most power-intensive processes in printers and copiers: 50-80% of overall consumption of energy by the device. The new toner allows preserving energy, due to 25 degrees Celsius lower melting point than that of older toner. On the other hand, the quality of imaging and the printer technical characteristics remain the same.
The technologies of toner production have been rapidly developing during last decade. 5 years ago Xerox made toner by pulverization of plastic pieces. This process was not only expensive and power-consuming, but also poorly-controlled, which resulted in toner particle being highly different in size.
Scientists from Xerox Research Institute in Canada developed the Emulsion Aggregation Technology that became a foundation for EA toner is based on nanotechnological projects. This technology allows production of precisely sized and shaped toner particles to provide crisper images, more reliable printing and lower toner and energy consumption.
All next Xerox products, be it desktop printers or the professional equipment of the color press, will use the new toner.
With the low energy-requiring devices getting to the market, Xerox expects to set new standards of power savings to use in all companies within the industry.
It turns out that one page printed with EA toner demands 40-50 % of less materials, in comparison with standard toner. Since ЕA toner first emerged on the market, Xerox and Fuji Xerox have made more than 50 products compatible with the new toner.