DEVELOPMENT DEVICE INVOLVING DEVELOPER REFRESH MODE CONTROL

To suppress reduction of the charge provision capability of a developer due to attachment of an external additive on a surface of a carrier.SOLUTION: An image formation device according to an embodiment includes: a photosensitive body having a surface on which a toner image is to be formed; a develo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKEMOTO KAZUHIKO, UTSUNOMIYA KOICHI, IWATA HISAYA
Format: Patent
Sprache:eng ; jpn
Schlagworte:
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