Hewlett-packard Development Company, L.p.

Seunggweon Lee

Woongyong Choi

Junhui Kim

Seongho Park

Younghoon Kim

Yunkyu Shim

Wontaek Kim

Hwanghee Ryu

Sungjin Kim

Hohyun Hwang

Saehoon Han

An example image forming apparatus includes a main body including an opening and an accommodation portion, a development cartridge detachable from the main body, a tray on which to mount the development cartridge, the tray being movable between a mounting position inserted into the main body through the opening, a withdrawal position extracted from the main body, and an accommodation position at which the development cartridge is accommodated in the accommodation portion, and an elastic support member to elastically support the development cartridge with respect to the tray while the tray moves between the mounting position, the withdrawal position, and the accommodation position.

Structure for mounting development cartridge in image forming apparatus

An example toner refill cartridge includes a body to accommodate toner and having a toner discharge hole, a shutter being rotatable between a first position at which the toner discharge hole is closed and a second position at which the toner discharge hole is opened, a coupler to rotate by receiving an external rotational force, an agitation member to rotate and agitate the toner by receiving a rotational force from the coupler, and a connection member to selectively transmit a rotational force of the coupler to the shutter.

Toner refill cartridge with automatic refilling structure

Growing community of inventors

Gyeonggi-do, South Korea

Seunggweon Lee