TONER, DEVELOPER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND TONER STORAGE UNIT

TONER, DEVELOPER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND TONER STORAGE UNIT

A toner includes: toner base particles including a binder resin, a colorant, an inorganic filler, and a release agent; and an external additive. An average circularity of the toner is 0.974 or more but 0.985 or less. A surface roughness parameter Sz of a surface of the toner is 200 nm or more but 50...

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Bibliographische Detailangaben
Hauptverfasser: Kitagawa, Yohichi, Moki, Akihiko, Takahashi, Tsukiko, Hirose, Mitsuaki, Inoue, Daisuke, Komito, Kenji
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Zusammenfassung:A toner includes: toner base particles including a binder resin, a colorant, an inorganic filler, and a release agent; and an external additive. An average circularity of the toner is 0.974 or more but 0.985 or less. A surface roughness parameter Sz of a surface of the toner is 200 nm or more but 500 nm or less, the surface roughness parameter Sz being measured with an atomic force microscope (AFM).