DEVELOPING APPARATUS, DEVELOPER FOR ELECTROPHOTOGRAPHIC IMAGE FORMATION, ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

DEVELOPING APPARATUS, DEVELOPER FOR ELECTROPHOTOGRAPHIC IMAGE FORMATION, ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

A developing apparatus (1) includes an electrostatic latent image bearer (231), a developing sleeve (185), a case (183), and an air filter (195). The case (183) accommodates a two-component developer and the developing sleeve (185). The air filter is attached to the case (183). The air filter has a...

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Bibliographische Detailangaben
Hauptverfasser: Suganuma, Tohru, Suzuki, Tomomi, Yogosawa, Kazuki, Kishida, Hiroyuki, Nagayama, Masashi, Suganuma, Takuya, Masuda, Minoru, Takeuchi, Kento, Masuko, Kaede
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A developing apparatus (1) includes an electrostatic latent image bearer (231), a developing sleeve (185), a case (183), and an air filter (195). The case (183) accommodates a two-component developer and the developing sleeve (185). The air filter is attached to the case (183). The air filter has a thickness of 2 to 20 mm and has a density gradient with a pressure loss of 2 to 40 Pa at a wind speed of 10 cm/s. The air filter forms an airflow sucked into the case (183) from a gap between the developing sleeve (185) and the case (183) and forms an airflow discharged from the case (183) through the air filter. The two-component developer accommodated in the case (183) contains a magnetic particle a surface of which is coated with a resin layer. The resin layer contains at least one type of chargeable particle.