Staas & Halsey LLP
Structure to refill toner to development cartridge mounted in main body
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.
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
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Woongyong Seung Gweon Yongnam Jinhwa Yong-Kwan Jiwon Yongil
Choi Lee Ahn Hong Cho Moon Moon