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Toner Characteristics and Xero Interactive Performance of EA Particles with Specific External Additives

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Small particle size of silica and titanium oxide as external additives for toner have been used to control toner flow and charging characteristics.

Recently, in order to meet high priority requirements, such as better image quality and the highest possible reliability, color toner size is getting smaller, and is being covered with highly loaded additives. As the process speed increases, the developer including the toner and carrier, is required to exhibit corresponding developability, transfer, cleaning and fusing characteristics.

It is very difficult to maintain high transfer and cleaning performance of spherical toner with small external additives.

We developed EA (emulsion aggregation) color toner containing at least substantially spherical silica fine particles having a size of 100nm to 150nm and a narrow size distribution. This EA toner exhibits satisfactory fluidity, high transfer efficiency and cleanability while retaining environmental stability and durability. The developer does not cause any toner filming on the surface of a photoreceptor and or on the surface of a carrier.

Document Type: Research Article

Publication date: January 1, 2003

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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