公开(公告)号：USD899515S1

公开(公告)日：2020-10-20

申请号：US29683028

申请日：2019-03-11

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

Designer： Kyonghwan Kim ,  Andrew Chick ,  Matthew Storey ,  Pratik Shah ,  Eun-Kyung Yun ,  Hye Heon Jung ,  Robert Moser ,  Min-Chul Lee ,  Changyeop Oh ,  Kenneth K. Smith

公开(公告)号：US20210165346A1

公开(公告)日：2021-06-03

申请号：US17262888

申请日：2019-01-24

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

Inventor： Matthew Storey ,  Corbett Benjamin Schoenfelt ,  Bennett Alexander Nadeau ,  Zackary Thomas Hickman ,  Jefferson Blake West ,  Muriel Hale Shields

IPC: G03G15/08 ,  B65D83/00

Abstract: A refill dispenser for providing developer to a developer cartridge of an image forming apparatus is provided. The refill dispenser includes a container having a first section to accommodate developer and a second section including a source of pressure applied to the first section, a movable diaphragm interposed between the first section and the second section, and a valve coupled to the first section, wherein the pressure applied from the second section causes developer in the first section to be removed upon an opening of the valve

公开(公告)号：USD896884S1

公开(公告)日：2020-09-22

申请号：US29683051

申请日：2019-03-11

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

Designer： Kyonghwan Kim ,  Andrew Chick ,  Matthew Storey ,  Pratik Shah ,  Eun-Kyung Yun ,  Hye Heon Jung ,  Robert Moser ,  Min-Chul Lee ,  Changyeop Oh ,  Kenneth K. Smith

公开(公告)号：USD893598S1

公开(公告)日：2020-08-18

申请号：US29683393

申请日：2019-03-13

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

Designer： Ji-Won Moon ,  Woong-Yong Choi ,  Jinhwa Hong ,  Min-Chul Lee ,  Kenneth K. Smith ,  Andrew Chick ,  Pratik Shah ,  Matthew Storey ,  Matthew Grossman ,  Muriel Hale Shields

公开(公告)号：US11156939B2

公开(公告)日：2021-10-26

申请号：US17256347

申请日：2018-11-07

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

Inventor： Kenneth K Smith ,  Ji-Won Moon ,  Min-Chul Lee ,  Andrew Chick ,  Matthew Storey ,  Jefferson Blake West ,  Zackary Thomas Hickman ,  Eun-Kyung Yun ,  Yoona Min ,  Pratik Shah

IPC: G03G15/08 ,  G03G15/00

Abstract: An image forming apparatus and method for determining a toner level and providing a notification are provided. The method of operating an image forming apparatus includes counting a number of times a lower toner hopper receives toner from an in-situ refillable upper toner hopper, calculating an estimate of toner volume transferred from the lower toner hopper to a surface of a photosensitive drum, determining an amount of toner consumed from the in-situ refillable upper toner hopper based on the number of times the lower toner hopper receives toner from the in-situ refillable upper toner hopper and the estimate of toner volume transferred from the lower toner hopper to the surface of the photosensitive drum, and generating an upper toner hopper refill notification when the amount of toner consumed from the in-situ refillable upper toner hopper is determined to exceed a threshold value.