公开(公告)号：US11906925B2

公开(公告)日：2024-02-20

申请号：US17913381

申请日：2020-04-08

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

Inventor： Bin Huang ,  Minedys Macias Guzman ,  Daniel C. Tanchangco

IPC: G03G21/00

CPC classification number: G03G21/0058 ,  G03G21/0088

Abstract: Herein is described a liquid electrophotographic a printing apparatus comprising: a photoconductor; a liquid electrophotographic ink developer unit for applying liquid electrophotographic ink to the photoconductor; a cleaner roller contactable with the photoconductor, the cleaner roller comprising an open-celled foam material having thereon a coating comprising abrasive particles and a binder. Also described herein is a cleaner roller for cleaning a liquid electrophotographic printing apparatus' photoconductor and a method of operating a liquid electrophotographic printing apparatus using a cleaner roller described herein.

公开(公告)号：US20230147465A1

公开(公告)日：2023-05-11

申请号：US17913381

申请日：2020-04-08

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

Inventor： Bin Huang ,  Minedys Macias Guzman ,  Daniel C. Tanchangco

IPC: G03G21/00

CPC classification number: G03G21/0058 ,  G03G21/0088

Abstract: Herein is described a liquid electrophotographic a printing apparatus comprising: a photoconductor; a liquid electrophotographic ink developer unit for applying liquid electrophotographic ink to the photoconductor; a cleaner roller contactable with the photoconductor, the cleaner roller comprising an open-celled foam material having thereon a coating comprising abrasive particles and a binder. Also described herein is a cleaner roller for cleaning a liquid electrophotographic printing apparatus’ photoconductor and a method of operating a liquid electrophotographic printing apparatus using a cleaner roller described herein.

公开(公告)号：US09822276B2

公开(公告)日：2017-11-21

申请号：US14900380

申请日：2013-08-14

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

Inventor： Elizabeth Ann Visnyak ,  Ali Emamjomeh ,  George Sarkisian ,  David Michael Ingle ,  Minedys Macias Guzman

IPC: C09D11/54 ,  B41J2/21 ,  C09D7/12 ,  C09D133/06 ,  B41M7/00 ,  B41M5/00 ,  C09D11/12 ,  C09D11/322 ,  C09D11/40 ,  C09D11/324

CPC classification number: C09D133/062 ,  B41J2/2107 ,  B41M5/0011 ,  B41M7/00 ,  C09D7/63 ,  C09D11/12 ,  C09D11/322 ,  C09D11/324 ,  C09D11/40 ,  C09D11/54

Abstract: Examples provide inkjet ink sets and related methods. An ink set may include a pre-treatment fixing fluid, an ink, and a post-treatment fluid including a wax and a binder present in the post-treatment fluid in a range of about 10 weight percent to about 30 weight percent.

公开(公告)号：US11237513B2

公开(公告)日：2022-02-01

申请号：US17049826

申请日：2018-07-27

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

Inventor： Minedys Macias Guzman ,  Ihab Khahil ,  Nir Ptashnik

IPC: G03G21/00

Abstract: There is provided a sponge cleaning roller for cleaning an electrophotographic printing drum, the sponge of the cleaning roller having a Shore 00 hardness of about 9 or greater and a porosity of about 38 ppi or greater.