公开(公告)号：US10828899B2

公开(公告)日：2020-11-10

申请号：US16696714

申请日：2019-11-26

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

Inventor： Marta Coma Vives ,  Maria Dinares Argemi ,  David Butinya ,  Macia Sole Pons

IPC: B41J2/165 ,  B41J25/34 ,  B41J2/21 ,  B41J25/316

Abstract: Example methods for the maintenance of printheads are provided, the printheads comprising a reservoir containing a printing fluid with particles in suspension, and a nozzle plate. Example methods may comprise capping the nozzle plate of the printhead, and rotating the capped printhead. Example maintenance devices for printheads are also provided, comprising a support with a socket to attach a printhead to the support, a drive unit to rotate the support about a rotation axis, and a control unit connected to the drive unit to perform a predetermined rotation cycle.

公开(公告)号：US20200094559A1

公开(公告)日：2020-03-26

申请号：US16696714

申请日：2019-11-26

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

Inventor： Marta Coma Vives ,  Maria Dinares Argemi ,  David Butinya ,  Macia Sole Pons

IPC: B41J2/165 ,  B41J2/21 ,  B41J25/34 ,  B41J25/316

Abstract: Example methods for the maintenance of printheads are provided, the printheads comprising a reservoir containing a printing fluid with particles in suspension, and a nozzle plate. Example methods may comprise capping the nozzle plate of the printhead, and rotating the capped printhead. Example maintenance devices for printheads are also provided, comprising a support with a socket to attach a printhead to the support, a drive unit to rotate the support about a rotation axis, and a control unit connected to the drive unit to perform a predetermined rotation cycle.

公开(公告)号：US10046560B2

公开(公告)日：2018-08-14

申请号：US15500660

申请日：2014-07-31

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

Inventor： Jeffrey Allen Wagner ,  Ronald Albert Askeland ,  Maria Magdalena Martinez Ferrandiz ,  Maria Dinares Argemi ,  Francisco Lopez Moral ,  Xavier Bruch ,  Chandrasekhar Nadimpalli ,  Xavier Gasso Puchal

IPC: B41J2/045

Abstract: Methods and apparatus to control a heater associated with a printing nozzle are disclosed. A method comprising controlling a heater associated with a printing nozzle to reduce a heat output of the heater based on a determination that the printing nozzle is outside a print area and printing an image on a substrate using other printing nozzles while the heat output of the heater is reduced.