公开(公告)号：US10459393B2

公开(公告)日：2019-10-29

申请号：US15111991

申请日：2015-01-15

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Myung Sik Kwon ,  Yury Telegin ,  Young Goo Kang ,  Jung Hyeon Kim ,  Leonid Chechurin

IPC: G03G15/00 ,  G03G21/16 ,  B65H1/26

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, a first lever provided at the printing media cassette, a second lever provided in the apparatus body, the second lever being coupled to the first lever, turning, and being separated from the first lever when the printing media cassette is closed.

公开(公告)号：US20190286052A1

公开(公告)日：2019-09-19

申请号：US16429855

申请日：2019-06-03

Applicant: HP Printing Korea Co., Ltd.

Inventor： Hwa-chul CHOI ,  Yun-su KIM

IPC: G03G21/20 ,  G03G15/01 ,  G03G15/20

Abstract: An image forming apparatus includes a fuser to fuse a print medium having a surface on which toner is developed, the fuser including a heating element, and a controller to control a power source to the heating element by varying a duty control cycle according to a temperature of the fuser.

公开(公告)号：US10419626B2

公开(公告)日：2019-09-17

申请号：US15146552

申请日：2016-05-04

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Hyun-wook Park ,  Sun-young Park ,  Hyun-sub Kil

IPC: H04N1/00 ,  G06F3/12 ,  G06F8/38 ,  G06F9/455 ,  H04N1/23 ,  H04N1/32 ,  G03G15/00

Abstract: An image forming method and apparatus, and a host in which the image forming method includes setting a processing order of a plurality of operations of a same image data and detailed setup information of the plurality of operations, and executing the plurality of operations using the detailed setup information according to the set processing order.

公开(公告)号：US10409214B2

公开(公告)日：2019-09-10

申请号：US16017635

申请日：2018-06-25

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Sang-Hoon Lee ,  Joon-Hee Kim

IPC: G03G21/16 ,  G03G15/06 ,  G03G21/18 ,  G03G15/08

Abstract: A development cartridge detachable from a main body of an image forming apparatus includes a photosensitive unit including a photosensitive drum and a developing unit including a developing roller. The developing unit is coupled to the photosensitive unit such that the developing unit is movable to a development position where a development nip forms by contact between the developing roller and the photosensitive drum and movable to a release position where the development nip is released. The development cartridge further includes a pressurizing unit movable to a first position where the pressurizing unit applies an elastic force to the developing unit in a direction such that the developing unit is maintained in the development position, and movable to a second position where the pressurizing unit applies an elastic force to the developing unit in a direction such that the developing unit is maintained in the release position.

公开(公告)号：US10394570B2

公开(公告)日：2019-08-27

申请号：US13650752

申请日：2012-10-12

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Kun-hoon Baik ,  Ji-sub Park ,  Joung-hoon Choo ,  Hyun-suk Lee

IPC: G06F9/00 ,  G06F15/177 ,  G06F9/4401 ,  G06F9/445 ,  G06F9/24 ,  G06F9/44

Abstract: A method of generating a boot image for fast booting an image forming apparatus. In the method, a boot image is generated to contain information regarding a system state after processes that are not used to execute an operating system and at least one application are terminated. Then, the image forming apparatus is fast booted using the boot image.

公开(公告)号：USRE47519E1

公开(公告)日：2019-07-16

申请号：US15594940

申请日：2017-05-15

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Na-young Kim ,  Sung-won Chae

IPC: G06F3/12 ,  G06K15/02 ,  G06K15/00

Abstract: An image forming apparatus includes a communication interface unit to receives an XML paper specification (XPS) file, an XPS file processing unit which converts the XPS file into an output data corresponding to printing paper to print the XPS file using information regarding the height and width of a FixedPage in the XPS file, and a control unit which controls the image forming apparatus to print the output data. Accordingly, even when an XPS file does not include information regarding printing paper, a user can select and print printing paper suitable for the user's demand.

公开(公告)号：US20190121590A1

公开(公告)日：2019-04-25

申请号：US16230864

申请日：2018-12-21

Applicant: HP Printing Korea Co., Ltd.

Inventor： Jeong-hun KIM ,  In-chang PARK

IPC: G06F3/12

Abstract: A method of providing mobile printing is provided. The method includes transmitting a device search message based on a predetermined protocol in a mobile terminal, transmitting, when a user device receives the device search message from the mobile terminal, a response message based on the predetermined protocol to the mobile terminal in response to the received device search message, transmitting, when information indicating a mobile printing function is included in a device category of the response message received from the user device, print data from the mobile terminal to the user device, transmitting the print data received from the user device to an image forming apparatus, and performing an image forming job for the received print data in the image forming apparatus.

公开(公告)号：US10264145B2

公开(公告)日：2019-04-16

申请号：US15407841

申请日：2017-01-17

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Jun-hui Hur

IPC: G06F3/12 ,  H04N1/00 ,  H04N1/32

Abstract: A server and a method of operating the same are provided. The method includes receiving metadata corresponding to printing data from a printing data storage device that stores the printing data, receiving, from an image forming apparatus, a request to transmit printing job information, determining a transmission route of the printing data based on whether the printing data storage device and the image forming apparatus are capable of communicating with each other, generating printing job information including the metadata and the transmission route, and transmitting the printing job information to the image forming apparatus.

公开(公告)号：US11320714B2

公开(公告)日：2022-05-03

申请号：US16335594

申请日：2016-12-29

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Heung-sup Park ,  Eog-kyu Kim ,  Yun-tae Kim ,  Young-su Lee

IPC: G02F1/167 ,  G03G15/00 ,  G03G15/01

Abstract: The present application discloses an image formation apparatus that can transfer an image into electronic paper using an electronic photography method, and a printing control method for the image formation apparatus. The present electronic paper comprises an electrophoresis layer for displaying an image using an electrophoresis method, a conductive layer, and a film layer for transmitting an image; and the image formation apparatus comprises a communication interface for receiving printing data, an image formation unit for transferring an image corresponding to the printing data, and a processor for controlling the image formation unit.

公开(公告)号：US10768567B2

公开(公告)日：2020-09-08

申请号：US15744612

申请日：2016-07-07

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Young Goo Kang ,  Ji Hoon Woo ,  Jin Soo Lee

IPC: G03G15/00 ,  B65H1/26

Abstract: An image forming apparatus comprises a housing, a cassette insertable into the housing to store printing sheets; an automatic mounting apparatus provided between the housing and the cassette and to allow the cassette to be mounted thereon, where the automatic mounting apparatus comprises an engaging portion configured to protrude on a side surface of the cassette, a rail portion provided in the housing, and a locking device provided at the rear side of the rail portion to interfere with the engaging portion.