Image forming method

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United States of America Patent

PATENT NO 11106149
APP PUB NO 20200285162A1
SERIAL NO

16779803

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is an image forming method using an electrophotographic photoreceptor provided with a photosensitive layer and a protective layer in this order on a conductive support, and a toner, and the image forming method containing a charging step, an exposure step, a development step, a transfer step, a fixing step, and a cleaning step, wherein the protective layer contains at least a cured resin obtained by curing a polymerizable compound; the toner contains 50% by number or more of toner particles having a shape factor calculated by the equation (1) in the range of 1.2 to 1.6, and a variation coefficient of the shape factor is 16% or less; and the toner contains alumina particles having a number average particle diameter in the range of 5 to 60 nm and silica particles having a number average particle diameter in the range of 80 to 200 nm.

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Patent Owner(s)

  • KONICA MINOLTA , INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujita, Michiyo Hachioji, JP 31 68
Hiramoto, Ryuichi Kobe, JP 31 88
Matsushima, Kaori Hino, JP 27 44
Mine, Tomoko Hino, JP 30 52

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