Hewlett-packard Development Company, L.P.

Samsung Electronics Co., Ltd.

Yongil Moon

Seung-chan Park

Ji-Won Moon

Jinhwa Hong

Yongnam Ahn

Donggeun Lee

Sungchul Ahn

Sungwook Kang

Seongho Jeong

Yongkwan Cho

Woojin Kim

Ji-won Moon

Seung-gweon Lee

Woong-Yong Choi

Woongyong Choi

Jiwon Moon

Seung Gweon Lee

Byeongno Jeong

Yong-kwan Cho

Yong-Kwan Cho

A printer may include a main body and a development cartridge attachable to and detachable from the main body. The development cartridge may comprise a developing portion in which a photoconductive drum and a developing roller are provided, a waste toner container to receive waste toner removed from the photoconductive drum, a toner container connected to the developing portion and to receive toner, and a toner refilling portion connected to the toner container and to refill toner through the toner refilling portion into the toner container. The printer may include a communicating portion provided in the main body to be connected to the toner refilling portion to provide an access the toner refilling portion from outside of the main body when the development cartridge is attached to the main body.

Structure to refill toner to development cartridge mounted in main body

An example toner refill cartridge includes a body to contain toner, a toner discharge unit, located at a first end portion of the body in a longitudinal direction, to discharge the toner, a plunger, inserted into the body and movable between a top dead position adjacent to a second end portion of the body and a bottom dead position adjacent to the first end portion, to push the toner toward the toner discharge unit, a locking member, removably coupled with the plunger, to lock the plunger at the top dead position, a pulverization member, including a wing portion extending in a radial direction, coupled with the plunger and movable between a first portion adjacent to the first end portion and a second position adjacent to the second end portion, and an elastic member to apply an elastic force to the pulverization member.

Toner refill cartridge with pulverization member activated by elastic force

Development cartridge for a printer

Printer cartridge

Development apparatus for printer

Growing community of inventors

Seoul, South Korea

Yongil Moon