Samsung Electronics Co., Ltd.

Won-wook Lee

Jong-moon Eun

In-cheol Jeon

Hyun-cheol Lee

Won Choe

Hyun-wook Bae

So-won Sheen

Hisao Okada

Provided are a multi-pass image forming apparatus and an image forming method using the same. The multi-pass image forming apparatus includes a plurality of developers for forming a plurality of electrostatic latent images using toners having different polarities and colors in one development process and for forming a multi-color image in at least two development processes; an exposure unit for forming the plurality of the electrostatic latent images on a photosensitive medium; and an intermediate transferring unit for having a toner images transferred thereon from the photosensitive medium that overlap to form the multi-color image, wherein the toner image may overlap another toner image on the intermediate transferring unit.

Multi-pass image forming apparatus and image forming method using the same for providing plural print modes with different numbers of passes depending on desired print speed and image quality

A developer and a color image forming apparatus are provided. The color image forming apparatus includes a development cartridge including a photosensitive drum and a container which stores toner. A toner cartridge is configured to attach to and detach from the development cartridge which contains the toner. A toner transfer unit rotates to agitate the toner stored in the development cartridge so as to move the toner when the toner cartridge attaches to and detaches from the development cartridge.

Developer and color image forming apparatus using the same

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Seoul, South Korea

Won-wook Lee