IMAGE-FORMING METHOD AND IMAGE-FORMING DEVELOPER

Japanese Patent JP3287827

B2

PROBLEM TO BE SOLVED: To provide an image-forming method which is less liable to cause contamination and toner fusion to a contact electrifying means and a body to be electrified and is superior in durability in repeated use.
SOLUTION: An electrifying member 2 with an electrifying bias voltage applied from a contact electrifying means is brought into contact with a body 1 to be electrified under 5-500 g/cm contact pressure for electrifying the body 1. The electrified body 1 is exposed to form an electrostatic charge image on the surface of the body 1. The electrostatic charge image carried on the body 1 is developed with a developing means to form a target image. The developing means has a developer comprising toner, containing at least a bonding resin and a colorant and a hydrophobic inorganic fine powder. The bonding resin contains a THF-solubility share, having a peak in the molecular weight range of 2,000-10,000 in its molecular weight distribution by GPC(gel permeation chromatography). The bonding resin has 1-70 mg KOH/g acid value.

Hiroyuki Suematsu
Toshiyuki Ochi
Manabu Ohno
Tetsuto Kuwashima
▲瀧▼口 剛
Koichi Toyama
Riki Kukimoto
Hiroshi Yusa
Eiichi Imai

JP37315199A

June 04, 2002

July 30, 1990

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Canon Inc

G03G15/02; G03G9/08; G03G9/087; G03G15/08; (IPC1-7): G03G9/087; G03G9/08; G03G15/02; G03G15/08

JP639356A
JP61123856A
JP63223014A
JP6365452A
JP63208880A
JP1154175A
JP647086A
JP63139369A
JP63139367A
JP1179957A
JP6473367A
JP59231552A
JP59231550A
JP61173275A
JP59231549A

Keizo Nishiyama (1 person outside)

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