Developing system of liquid electrophotographic image forming device
AssigneeSamsung Electronics Co., Ltd.
InventorYong-su Kim
Life of this patent
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Abstract
A developing system of a liquid electrophotographic image forming device includes a developer reservoir in which a developer is stored, a development container in which the developer is supplied from the developer reservoir, a development roller rotating opposite to a photosensitive drum in the development container, and a pumping portion connected between the development container and the developer reservoir via connection pipes. The pumping portion supplies the developer to the development container from the developer reservoir or exhaust the developer from the development container and return the developer to the developer reservoir. Accordingly, the developer supplying and exhausting unit of the developing system can be simplified.
Claims24
A developing system of a liquid electrophotographic image forming device having a photosensitive drum, comprising:
- a developer reservoir in which a developer is stored;
- a development container in which the developer is supplied from the developer reservoir;
- a development roller rotating opposite to the photosensitive drum in the development container to supply the developer from the development container to the photosensitive drum;
- and
- a pumping portion connected between the development container and the developer reservoir via a connection pipe to supply the developer to the development container from the developer reservoir and exhaust the developer from the development container and return the developer to the developer reservoir.
A developing system in a liquid electrophotographic image forming device, comprising:
- a developer reservoir containing a developer;
- a development container containing the developer;
- a photosensitive drum having a latent electrostatic image;
- a development roller disposed in the developer container to transfer the developer from the development container to the photosensitive drum to develop the latent electrostatic image;
- and
- a connecting unit connected between the development container and the developer reservoir to supply the developer to the development container from the developer reservoir and exhaust the developer from the development container to the developer reservoir.
A developing system in a liquid electrophotographic image forming device, comprising:
- a developer reservoir containing a developer;
- a development container containing the developer;
- a photosensitive drum having a latent electrostatic image;
- a development roller disposed in the development container, having a portion immersed in the developer contained in the development container, and transferring the developer from the development container to the photosensitive drum to develop the latent electrostatic image;
- a developer collecting portion coupled between the development container and the developer reservoir to allow an excessive amount of the developer of the development container to be returned to the developer reservoir from the development container by a weight of the developer;
- and
- a pump having a rotor and being coupled between the developer and the development container to pump the developer from the development container to the developer reservoir and from the developer reservoir to the development container according to a rotational direction of the rotor of the pump.
Dependencies are inferred from the claim text.