| 摘要 |
PURPOSE: A two component developer, a developer cartridge, a process cartridge, and an image forming apparatus are provided to control the degradation of the light fastness of a formed image. CONSTITUTION: A two component developer contains a yellow toner, and a carrier. The yellow toner includes C.I. Pigment Yellow 155 or C.I. Pigment Yellow 185, and an azo-based pigment. The carrier includes a first resin, and magnetic particles dispersed in the resin. The amount of Cu elements, Zn elements, Ni elements, and Mn elements inside the carrier is less than 2,000 ppm each. The azo-based pigment is selected from the group consisting of a monoazo pigment, a disazo pigment, and an azo lake pigment.
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