DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To reduce the occurrence of a reduction in image density that occurs when a large amount of images with a high printing rate are printed.SOLUTION: A regulating member regulating movement of magnetic particles is used to control a variation in density of a toner in a developing...

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Bibliographische Detailangaben
Hauptverfasser: NOGUCHI BUNRO, FUKUSHIMA NAOKI, BABA DAISUKE, YOSHIDA NOBUYOSHI, MATSUSHITA SHUNSUKE
Format: Patent
Sprache:eng ; jpn
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Zusammenfassung:PROBLEM TO BE SOLVED: To reduce the occurrence of a reduction in image density that occurs when a large amount of images with a high printing rate are printed.SOLUTION: A regulating member regulating movement of magnetic particles is used to control a variation in density of a toner in a developing chamber caused by a developer taking in a toner during rotational circulation of the magnetic particles within a predetermined range.SELECTED DRAWING: Figure 1 【課題】 高印字率の画像を大量にプリントした場合に発生する画像濃度薄の発生を低減する。【解決手段】 磁性粒子の回転循環で現像剤がトナーを取り込むことによるトナー濃度の変動を、磁性粒子の移動を規制する規制部材を用いることにより、現像室内のトナー濃度を所定の範囲にすることができる。【選択図】 図１