Hewlett-packard Company

Hewlett-packard Development Company, L.p.

Other

Hewlett-packard Corporation

Norman E Pawlowski

Winthrop D Childers

Rhonda Lynn Wilson

Eric L Gasvoda

Susan M Hmelar

Ted Tuern Lee

Michael L Bullock

Jaren D Marler

Mark J Hauck

David O Merrill

Bruce Cowger

Jeffrey L Thielman

Loren E Johnson

John A Underwood

Thomas J Krall

John A Barinaga

Craig L Malik

David C Kamp

John A Barinaga, Jr

Dennis W Houpt

Kenneth R Williams

Mark A Devries

William E Fillmore

James P Kearns

Ronald J Ender

Kenneth A Norton

Thomas G Cocklin

Benjamin Zoladz

Ovidiu Talpos

Jared E Neff

Steven B Elgee

Brian J Keefe

Curt G Gonzales

James E Clark

James P Shields

Charles R Steinmetz

Michael E Peterschmidt

Hiang P Lauw

Ted Tang Lee

Jeffrey T Hendricks

Richard H Lewis

Paul David Gast

B Michael Eckard

Glen E Schmidt

James M Cameron

Carrie E Harris

Mark Joseph Green

John Farrar Wilson

Margaret L Wooding

Joseph Edward Scheffelin

Ronald Albert Askeland

Kenneth E Trueba

Antoni S Murcia

Melissa D Boyd

Paul Mark Haines

John L Stoffel, Jr

Kevin E Swier

Kenneth J Courian

Tod S Heiles

Joseph W Tsang

Gary G Lutnesky

Kris M English

Zia Ur Rehman

David E Hackleman

Jeffrey D Langford

S Dana Seccombe

Michael K Bowen

Donald E Wenzel

Dale D Russell

Suraj L Hindagolla

Christopher Taylor

Bruce Alan McFadden

Preston D Seu

Joe R Pietrzyk

Ronald W Hall

Gary Tarver

James A Harvey

Charles L Thierheimer, Jr

Dale Dean Timm, Jr

David J Halko

William D Kappele

Jose Antonio Alvarez

John M Skene

Steven J Bares

Mark R Hock

Karla M Robotti

Gary L Miller

Dan Dowell

James Kenneth Wallace

Roger F Evans

Yale N Goldis

John M Herrmann

Juan-Antonio Sabate Saumell

Raul Perez

Kimberly L Dahm

In one example, a printer having a rotation mechanism coupleable to a liquid-ejecting printhead in the printer. The printer includes a controller coupled to the rotation mechanism to control the rotation mechanism to intermittently rotate the printhead, during a non-printing time, from a first orientation relative to vertical to a second orientation relative to vertical and back to the first orientation.

Rotating a printhead relative to vertical

A fluid supply includes a container () containing a bag () and a valve ().

Fluid supply

A fluid dispensing apparatus including a fluid ejector unit having a plurality of nozzles and extending in a lengthwise direction to form a dispensing area to correspond with a width of a substrate, the fluid ejector unit configured to eject fluid through the nozzles to the dispensing area, a plurality of modular regulator members configured to regulate fluid to a predetermined pressure range and to provide the regulated fluid to a corresponding set of nozzles of the fluid ejector unit, the modular regulator members are arranged in the lengthwise direction such that each of the modular regulator members are adjacent to at least one other modular regulator member, and a fluidic channel unit having at least one fluid inlet and a plurality of fluid channels configured to provide fluid to the respective modular regulator members.

Fluid dispensing apparatus

A fluid supply includes a container, a bag within the container and a cap. The cap provides a fluid interface in communication with an interior of the bag and a pressurization interface in communication with an interior of the container adjacent an exterior of the bag. The pressurization interface has a channel that concentrically extends about the fluid interface.

Fluid supply cap

A labyrinth seal structure includes a gland structure for providing a fluid seal between a first surface and a second surface, and redundant labyrinth fluid flow paths between a first side of the seal structure and a second side of the seal structure.

Labyrinth seal structure with redundant fluid flow paths

Example embodiments of pressure sensors are illustrated and described.

Sensors

Alternative methods for refurbishing a single-use ink delivery container for a printing system are described. The refurbishing methods include electrical and mechanical reconfiguration or replacement of original elements on the ink delivery container. Each method utilizes an existing ink fluid outlet, electrical connector and an information storage device on the ink delivery container.

Ink container refurbishment system

A large variety of ink delivery systems for an existing ink-jet printing system are provided. The ink delivery systems include ink reservoirs of varying configuration and size which are capable of accommodating a variety of ink use rates. Each ink delivery system also has an electrical connector and an information storage device which are suitable for the various ink use rates. The information storage device may be a memory device circuit that provides enabling information to the printing system.

Ink delivery system adapter

A printhead assembly includes a carrier having a fluid manifold defined therein, a plurality of printhead dies each mounted on the carrier and communicating with the fluid manifold, and a fluid delivery assembly coupled with the carrier and communicating with the fluid manifold.

Fluid delivery for printhead assembly

Techniques for air management in an inkjet printing systems. A method includes providing an ink supply for holding a supply of liquid ink, the ink supply including high barriers to air diffusion, filling the ink supply with a quantity of liquid unsaturated ink, storing the filled ink supply for a storage time interval or until needed, installing the ink supply in an inkjet printing system including an inkjet printhead, supplying unsaturated ink from the ink supply to the inkjet printhead for printing, and allowing the unsaturated ink to absorb air introduced into the printing system, and ejecting droplets of the liquid ink from the printing system during the printing. A semipermanent inkjet printhead for the inkjet printing system includes a printhead body with an internal plenum, a pressure regulator for regulating pressure in the plenum, a nozzle array for ejecting droplets of ink, a fluid inlet mounted to the printhead body and coupled to the plenum for connection to an ink supply path for ink delivered from a replaceable ink supply, and a supply of unsaturated ink disposed in the plenum, the unsaturated ink having an air solubility level sufficient to absorb air introduced into the printhead.

Printhead air management using unsaturated ink

An ink supply for an inkjet printing system, the ink supply having one or more areas of relatively high air diffusion through one or more structures comprising the ink supply. One or more air diffusion barrier structures shield the one or more areas of relatively high air diffusion from air diffusion, and a quantity of liquid unsaturated ink is disposed in the ink supply.

Ink supply with air diffusion barrier for unsaturated ink

The described embodiments relate to a print cartridge that can be configured to receive ink from one of at least two possible ink paths depending upon a desired printer configuration. In one exemplary embodiment, the print cartridge has a body configurable to receive ink from at least two different ink supply configurations, and a fluid interface that when coupled with the body effectively selects one of the ink supply configurations.

Methods and systems for a configurable print cartridge

In the preferred embodiment, an inkjet printer includes a replaceable print cartridge which is inserted into a scanning carriage. An ink tube extends from the scanning carriage to a separate ink supply located within the printer. A fluid interconnect on one side of the print cartridge connects to a fluid interconnect on the carriage when the print cartridge is inserted into the carriage to complete the fluid connection between the external ink supply and the print cartridge. In one embodiment, the fluid interconnection is made between the print cartridge and the ink tube simply by placing the print cartridge into a stall in the scanning carriage. The print cartridge has contact pads on another side. The contact pads electrically contact electrodes on the carriage when the print cartridge is placed in the stall. With the fluid interconnect and the contact pads on opposing sides of the print cartridge, the distance between the electrical contact and the flow of ink from the carriage to the print cartridge is maximized.

Printing system with flexible conduit portion between ink supply and print cartridge and methods for supplying ink to printing structure

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Corvallis, OR, United States of America

Norman E Pawlowski