Konica Corporation

Mayumi Hayashi

Kishio Tamura

Hiroshi Yamazaki

Kenji Yamane

Masafumi Uchida

Yuji Marukawa

Disclosed is a developer for developing an electrostatic latent image, comprising:

Two component type developer for electrostatic latent image

Disclosed is a developer of electrostatic latent image containing a carrier and a toner which contains a colorant and a binder resin, wherein the carrier comprises a magnetic substance particle and a resin coated on the magnetic substance particle, and said resin for coating is a polyolefin having a weight average molecular weight (Mw) of 20.times.10.sup.4 to 100.times.10.sup.4, a number average molecular weight (Mn) of 0.5.times.10.sup.4 to 10.times.10.sup.4 and an Mw/Mn of 5 to 100; and further the toner may contain a polyolefin having a number average molecular weight of 1500 to 9000 as a releasing agent.

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Hachioji, Japan

Mayumi Hayashi