Abstract: A coil component includes a body having a first surface, and a first end surface and a second end surface connected to the first surface and opposing each other in a length direction; a support substrate disposed inside the body; a coil portion comprising a first coil pattern and first and second lead-out patterns, each disposed on a first surface of the support substrate; first and second slit portions, respectively defined on edge portions of the first surface of the body to expose the first and second lead-out patterns; and first and second external electrodes disposed on the first and second slit portions to be connected to the first and second lead-out patterns. At least one of the first and second lead-out patterns has a thickness greater than a thickness of each of the first coil pattern and the first dummy lead-out pattern.

Abstract: A coil component is provided. The coil component includes a body having fifth and sixth surfaces opposing each other, first and second surfaces respectively connecting the fifth and sixth surfaces of the body and opposing each other, and third and fourth surfaces respectively connecting the first and second surfaces of the body and opposing each other in one direction, a recess disposed in an edge between one of the first and second surfaces of the body and the sixth surface of the body, a coil portion disposed inside the body and exposed through the recess, and an external electrode including a connection portion disposed in the recess and connected to the coil portion, and a pad portion disposed on one surface of the body. A length of the pad portion in the one direction is greater than a length of the connection portion in the one direction.

Abstract: A development cartridge is provided. The development cartridge includes a toner container, having a first air vent and a second air vent, to accommodate a toner, a developing portion to receive the toner from the toner container and having a developing roller installed therein, a toner refilling portion, connected to an end of the toner container in a longitudinal direction, to provide the toner container with a passage for refilling the toner, a filter installed in the first air vent to reduce leakage of the toner, and a pressure releasing member to communicate with the toner container via the second air vent and being transformable in a contracted state and an expanded state to expand a volume of the toner container, wherein the first air vent is formed at a position farther from the toner refilling portion than the second air vent.

Abstract: A toner refilling interface structure including a toner cartridge, an installation portion, a first toner inlet portion, an inlet shutter, and a locking member. The toner cartridge including a discharge shutter located in or coupled to a body and to switch to a closed position at which a first toner discharge portion of the body is closed and to switch to a discharge position at which the first toner discharge portion is open. The toner cartridge is rotatable about a first rotation axis. The first toner inlet portion is provided in the installation portion to receive toner from the toner cartridge.

Abstract: A toner refilling interface structure including a toner cartridge, an installation portion, a first toner inlet portion, an inlet shutter, and a locking member. The toner cartridge including a discharge shutter located in or coupled to a body and to switch to a closed position at which a first toner discharge portion of the body is closed and to switch to a discharge position at which the first toner discharge portion is open. The toner cartridge is rotatable about a first rotation axis. The first toner inlet portion is provided in the installation portion to receive toner from the toner cartridge.

Abstract: A development cartridge is provided. The development cartridge includes a toner container, having a first air vent and a second air vent, to accommodate a toner, a developing portion to receive the toner from the toner container and having a developing roller installed therein, a toner refilling portion, connected to an end of the toner container in a longitudinal direction, to provide the toner container with a passage for refilling the toner, a filter installed in the first air vent to reduce leakage of the toner, and a pressure releasing member to communicate with the toner container via the second air vent and being transformable in a contracted state and an expanded state to expand a volume of the toner container, wherein the first air vent is formed at a position farther from the toner refilling portion than the second air vent.

Abstract: An electrophotographic image forming apparatus includes a photoconductive drum, a process roller to rotate in a state where the process roller elastically contacts a surface of the photoconductive drum, and a connecting member to allow the process roller to follow a movement of the photoconductive drum in an axial direction of the photoconductive drum.

Abstract: An electrophotographic image forming apparatus includes a photoconductive drum, a process roller to rotate in a state where the process roller elastically contacts a surface of the photoconductive drum, and a connecting member to allow the process roller to follow a movement of the photoconductive drum in an axial direction of the photoconductive drum.

Abstract: An electrophotographic image forming apparatus includes a cartridge for forming a visible toner image. The cartridge includes a development chamber having a toner inlet through which toner is supplied into the development chamber, a development roller provided in the development chamber, and a supply roller provided in the development chamber that supplies toner to the development roller. The cartridge further includes a first toner transporting member that transports toner supplied through the toner inlet in an axial direction of the supply roller, and a toner supply guide that is disposed between the first toner transporting member and the supply roller and includes a slit which has a length in the axial direction and through which toner is dropped onto the supply roller. The toner supply guide is downwardly inclined in the axial direction.

Abstract: An electrophotographic image forming apparatus may include a toner supply unit comprising a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit comprising a photoreceptor; a development unit comprising a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet, wherein the first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and wherein the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.

Abstract: An electrophotographic image forming apparatus includes for example a toner supply unit including a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit including a photoreceptor; a development unit including a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet. The first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.

Abstract: An electrophotographic image forming apparatus may include a toner supply unit comprising a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit comprising a photoreceptor; a development unit comprising a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet, wherein the first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and wherein the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.

Abstract: An electrophotographic image forming apparatus and development cartridge are provided. The apparatus including a separating member mounted in a development cartridge. The separating member includes a development nip separating portion and a charging nip separating portion respectively separating a development nip and a charging nip when the development cartridge is mounted in a mounting portion of a photoreceptor cartridge mounted in a body.

Abstract: An electrophotographic image forming apparatus and development cartridge are provided. The apparatus including a separating member mounted in a development cartridge. The separating member includes a development nip separating portion and a charging nip separating portion respectively separating a development nip and a charging nip when the development cartridge is mounted in a mounting portion of a photoreceptor cartridge mounted in a body.