7. Toners for electrophotography
7.1 Brief description of the process
Along with inkjet, electrophotography is the most important digital printing process. In this process, a latent image (intermediate and temporarily invisible) is formed on a cylinder coated with a photoconductive material. This photoconductor is insulating in the dark. It undergoes uniform precharging, and then, under the effect of a light beam, certain zones of the photoconductor are discharged. The latent image thus formed is revealed using a toner (powder) with the opposite charge to that of the photoconductor. The developed image is then transferred to the print substrate, where it is fixed: under the effect of a rise in temperature (up to 120-140°C), the toner particles become viscous fluids, enabling them to spread out and, depending on their...
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Toners for electrophotography
Some recent theses
Manufacturers
(non-exhaustive list)
A list of the main ink manufacturers located in France can be found on the AFEI (Association des fabricants d'encres d'imprimerie) website. http://www.fipec.org/afei
Brancher inks
...Professional organizations
• AFEI (Association des fabricants d'encres d'imprimerie) http://www.fipec.org/afei
• EuPIA (European Printing Ink Association), sous-groupe de CEPE(European Council of the Paint, Printing Ink and Artists' Colours Industry) : http://www.cepe.org...
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