IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide an image forming apparatus that can effectively suppress photoreceptor filming with a simple configuration.SOLUTION: An image forming apparatus includes: a polymerization toner that has a particle size of 7 μm or less and a circularity of 0.97 or more, and has three...

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Bibliographic Details
Main Author FUJITA TETSUMARU
Format Patent
LanguageEnglish
Japanese
Published 01.02.2016
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide an image forming apparatus that can effectively suppress photoreceptor filming with a simple configuration.SOLUTION: An image forming apparatus includes: a polymerization toner that has a particle size of 7 μm or less and a circularity of 0.97 or more, and has three types of silica, namely, small diameter silica, intermediate diameter silica, and large diameter silica externally added thereto; and a charging roller 21 that is driven to rotate and has concaves and convexes on the surface at an average pitch of 10 to 30 μm.SELECTED DRAWING: Figure 3 【課題】簡素な構成で、効率よく感光体フィルミングを抑制することができる画像形成装置を提供する。【解決手段】粒径７μｍ以下、円型度０．９７以上であり、小径シリカと中径シリカと大径シリカとの３種類のシリカを外添した重合トナーと、従動回転し、表面の凹凸の平均ピッチが１０〜３０μｍである帯電ローラ２１と、を有する。【選択図】図３
Bibliography:Application Number: JP20140140694