公开(公告)号：US20230333500A1

公开(公告)日：2023-10-19

申请号：US18027833

申请日：2020-09-28

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Jinhwa HONG ,  Jiwon MOON ,  Byeongno JEONG ,  Shinhyup KANG ,  Sungchul AHN ,  Seung il KIM

IPC: G03G15/08

CPC classification number: G03G15/0877 ,  G03G15/0894

Abstract: A toner refill cartridge includes a body to contain toner and having a toner discharge port provided at a first end portion of the body, a memory unit including an external electric contact which faces away from the body, a piston disposed in the body to be movable in a longitudinal direction of the body from a top dead position adjacent to a second end portion of the body to a bottom dead position adjacent to the first end portion to push the toner to the toner discharge port, and a plunger to push the piston in the longitudinal direction and movable to a folded position in which the plunger is parallel with the body and covers the external electric contact and to an extended position in which the plunger is aligned with the piston in the longitudinal direction.

公开(公告)号：US20210232061A1

公开(公告)日：2021-07-29

申请号：US17051081

申请日：2019-03-01

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Yong-Kwan CHO ,  Seung Gweon LEE ,  Jiwon MOON ,  Woongyong CHOI ,  Yongil MOON ,  Yongnam AHN ,  Jinhwa HONG

IPC: G03G15/08 ,  G03G21/18

Abstract: A printer includes a main body; a development cartridge attachable to and detachable from the main body, the development cartridge comprising 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; and 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.

公开(公告)号：US20210263448A1

公开(公告)日：2021-08-26

申请号：US17059592

申请日：2019-08-09

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Seung-Gweon LEE ,  Woong-Yong CHOI ,  Jinhwa HONG ,  Ji-Won MOON

IPC: G03G15/08 ,  G03G21/18

Abstract: A toner refill cartridge includes a body including a toner chamber containing toner and a toner discharging portion having an entrance connected to one end of the toner chamber in a length direction and an exit to discharge toner outside of the toner refill cartridge, a plunger including a piston that is movably inserted into the toner chamber in the length direction and a packing member located at an end of the piston to push the toner toward the toner discharging portion, a weight part movably accommodated in the toner chamber and having a shape which prevents the weight part from passing through the entrance, and a weight part container provided in the one end of the toner chamber in the length direction such that the weight part can be accommodated therein.

公开(公告)号：US20210080863A1

公开(公告)日：2021-03-18

申请号：US17050068

申请日：2019-02-28

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Jinhwa HONG ,  SeungSup LEE

IPC: G03G15/08

Abstract: A toner refill cartridge includes a body in which toner is accommodated, a plunger inserted into the body and movably coupled to the body in a longitudinal direction of the body to push the toner out of the body, a toner injection completion signal generator used to detect toner injection completion according to movement of the plunger, and a connection interface located at a tip portion of the body and connectable to an image forming apparatus to transfer information about a toner refill cartridge to the image forming apparatus.

公开(公告)号：US20210094304A1

公开(公告)日：2021-04-01

申请号：US17050146

申请日：2018-08-30

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Jiwon MOON ,  Minul LEE ,  Woongyong CHOI ,  SeungSup LEE ,  Jinhwa HONG ,  Matthew James STOREY ,  An TRAN ,  Bennett Alexander NADEAU ,  Zackary Thomas HICKMAN

IPC: B41J2/175

Abstract: In some examples, an apparatus can include a mating interface coupled to a dispense interface to interact with a print particle dispense nozzle, a locking mechanism coupled to the dispense interface to prevent the print particle dispense nozzle from depositing a print particle to the dispense interface, and an authentication mechanism coupled to the locking mechanism to: authenticate the print particle dispense nozzle, and unlock the locking mechanism when the print particle dispense nozzle is authenticated to allow the print particle dispense nozzle to deposit the print particle to the dispense interface.