EP0897804A2 - Flüssige Tinte verwendender Druckkopf - Google Patents

Flüssige Tinte verwendender Druckkopf Download PDF

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Publication number
EP0897804A2
EP0897804A2 EP98303777A EP98303777A EP0897804A2 EP 0897804 A2 EP0897804 A2 EP 0897804A2 EP 98303777 A EP98303777 A EP 98303777A EP 98303777 A EP98303777 A EP 98303777A EP 0897804 A2 EP0897804 A2 EP 0897804A2
Authority
EP
European Patent Office
Prior art keywords
nozzle
printhead
transducers
ink
nozzles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98303777A
Other languages
English (en)
French (fr)
Other versions
EP0897804A3 (de
Inventor
Yonglin Xie
Mark D. Tracy
Michael C. Ferringer
Ivan Rezanka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of EP0897804A2 publication Critical patent/EP0897804A2/de
Publication of EP0897804A3 publication Critical patent/EP0897804A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04541—Specific driving circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04543—Block driving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/14—Character- or line-spacing mechanisms with means for effecting line or character spacing in either direction
    • B41J19/142—Character- or line-spacing mechanisms with means for effecting line or character spacing in either direction with a reciprocating print head printing in both directions across the paper width

Definitions

  • This invention relates generally to liquid ink printers and more particularly to a liquid ink printhead having reduced misting defects.
  • the ink jet printhead may be incorporated into either a carriage type printer, a partial width array type printer, or a page-width type printer.
  • the carriage type printer typically has one or more relatively small printheads containing the ink channels and nozzles.
  • the printheads can be sealingly attached to one or more disposable ink supply cartridges and the combined printheads and cartridge assembly is attached to a carriage which is reciprocated to print one swath of information (equal to the length of a column of nozzles), at a time, on a stationary recording medium, such as paper or a transparency.
  • the paper can be stepped a distance equal to the height of the printed swath or a portion thereof, so that the next printed swath is contiguous or overlapping therewith. This procedure is repeated until the entire page is printed.
  • the page width printer includes a stationary printhead having a length sufficient to print across the width or length of a sheet of recording medium at a time.
  • the recording medium is continually moved past the page width printhead in a direction substantially normal to the printhead length and at a constant or varying speed during the printing process.
  • a page width ink-jet printer is described, for instance, in U.S. Patent No. 5,192,959.
  • Printers typically print information received from an image output device such as a personal computer. Typically, these output devices generate pages of information in which each page is in the form of a page description language (PDL).
  • An electronic subsystem (ESS) in the printer transforms the page description language into a raster scan image which is then transmitted to a peripheral or image output terminal (IOT).
  • the raster scan image includes a series of scan lines in which each scan line contains information sufficient to print a single line of information across a page in a linear fashion.
  • printed pages also include information arranged in scan lines.
  • each bank prints a segment of a line.
  • the banks of nozzles are typically fired sequentially and the nozzles within a bank are fired simultaneously.
  • An ink jet printbar having banks of nozzles is described in U.S. Patent No. 5,300,968 to Hawkins.
  • These printbars include a plurality of printhead dies, wherein each die prints a portion of a line. Within the die, the banks of nozzles print a segment of the portion of the line.
  • the printed includes a housing defining a plurality of ink receiving and emitting chambers with each chamber extending from an aperture from the ink emitting edge of the housing into the interior thereof.
  • a plurality of heating elements are included, one heating element positioned in each of the chambers.
  • the plurality of heating elements are included, one heating element positioned in each of the chambers.
  • the plurality of heating elements include first and second terminals with at least one of the heating elements in communication with at least one of the chambers.
  • a control means is operable to connect the second terminal of a selected one of the heating elements with a power source.
  • a thermal ink jet printhead includes a thermal ink jet chip comprising thermal ink jet heating elements and power MOSFET drivers to turn the heating elements on and off. Up to four jets are fired together.
  • a liquid ink printhead for ejecting liquid ink drops on a recording medium to form an image thereon.
  • the printhead includes a plurality of transducers, each of the plurality of transducers being activatable to generate a liquid ink drop, an array of nozzles, operatively associated with the plurality of transducers, each of the plurality of nozzles for ejecting liquid ink drops in response to one of the plurality of transducers being activated, and a selection circuit, coupled to the plurality of transducers, for causing non-adjacent nozzles from the array of nozzles to eject the liquid ink drops substantially simultaneously.
  • a method of reducing misting defects generated during printing of a line of an image by a liquid ink printhead having a plurality of transducers being activatable to eject ink from an array of nozzles is provided.
  • the method includes the steps of ejecting a first ink drop from a first nozzle and a second ink drop from a second nozzle of the array of nozzles substantially simultaneously to form a first portion of the line of the image, the first nozzle and the second nozzle being non-adjacent, and ejecting a third ink drop from a third nozzle of the array of nozzles to form a second portion of the line of the image, the third nozzle being located between the first nozzle and the second nozzle.
  • a method of reducing misting defects during printing of a line of an image by a liquid ink printhead having a plurality of transducers being activatable to eject ink from an array ofN nozzles includes ejecting an ink drop from a first nozzle and from every mth nozzle therefrom of the array of N nozzles substantially simultaneously to form a first portion of the line of the image with m being equal to or greater than two and ejecting an ink drop from a second nozzle and from every mth nozzle therefrom substantially simultaneously to form a second portion of the line of the image.
  • FIG. 2. illustrates a perspective view of an ink jet printhead.
  • FIG. 3. illustrates a schematic circuit diagram of an ink jet integrated circuit of the prior art.
EP98303777A 1997-08-15 1998-05-14 Flüssige Tinte verwendender Druckkopf Withdrawn EP0897804A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91124297A 1997-08-15 1997-08-15
US911242 1997-08-15

Publications (2)

Publication Number Publication Date
EP0897804A2 true EP0897804A2 (de) 1999-02-24
EP0897804A3 EP0897804A3 (de) 2000-05-03

Family

ID=25429965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98303777A Withdrawn EP0897804A3 (de) 1997-08-15 1998-05-14 Flüssige Tinte verwendender Druckkopf

Country Status (2)

Country Link
EP (1) EP0897804A3 (de)
JP (1) JPH11105289A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1264693A2 (de) * 2001-06-06 2002-12-11 Hewlett-Packard Company Druckkopfdüsengruppierung
US6991315B2 (en) 2001-11-28 2006-01-31 Seiko Epson Corporation Ejecting method and ejecting apparatus
US9475286B2 (en) 2013-04-23 2016-10-25 Hewlett-Packard Industrial Printing Ltd Cross-talk suppression of adjacent inkjet nozzles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9981465B1 (en) * 2017-02-20 2018-05-29 RF Printing Technologies LLC Inkjet printing apparatus with firing or heating waveform selector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571599A (en) 1984-12-03 1986-02-18 Xerox Corporation Ink cartridge for an ink jet printer
USRE32572E (en) 1985-04-03 1988-01-05 Xerox Corporation Thermal ink jet printhead and process therefor
US5057855A (en) 1990-01-12 1991-10-15 Xerox Corporation Thermal ink jet printhead and control arrangement therefor
US5192959A (en) 1991-06-03 1993-03-09 Xerox Corporation Alignment of pagewidth bars
US5300968A (en) 1992-09-10 1994-04-05 Xerox Corporation Apparatus for stabilizing thermal ink jet printer spot size
US5534902A (en) 1994-04-01 1996-07-09 Xerox Corporation Holddown structures for recording medium having curl

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69118967T2 (de) * 1990-06-15 1996-09-19 Canon Kk Tintenstrahlaufzeichnungsgerät mit Wärme erzeugendem Element
US5142296A (en) * 1990-11-09 1992-08-25 Dataproducts Corporation Ink jet nozzle crosstalk suppression
EP0771656A3 (de) * 1995-10-30 1997-11-05 Eastman Kodak Company Streuung der Düsen zur Verminderung der elektrostatischen Wechselwirkung zwischen gleichzeitig ausgestossenen Tröpfchen
JP3369415B2 (ja) * 1995-12-14 2003-01-20 東芝テック株式会社 インクジェットプリンタのヘッド駆動装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571599A (en) 1984-12-03 1986-02-18 Xerox Corporation Ink cartridge for an ink jet printer
USRE32572E (en) 1985-04-03 1988-01-05 Xerox Corporation Thermal ink jet printhead and process therefor
US5057855A (en) 1990-01-12 1991-10-15 Xerox Corporation Thermal ink jet printhead and control arrangement therefor
US5192959A (en) 1991-06-03 1993-03-09 Xerox Corporation Alignment of pagewidth bars
US5300968A (en) 1992-09-10 1994-04-05 Xerox Corporation Apparatus for stabilizing thermal ink jet printer spot size
US5534902A (en) 1994-04-01 1996-07-09 Xerox Corporation Holddown structures for recording medium having curl

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1264693A2 (de) * 2001-06-06 2002-12-11 Hewlett-Packard Company Druckkopfdüsengruppierung
EP1264693A3 (de) * 2001-06-06 2003-02-05 Hewlett-Packard Company Druckkopfdüsengruppierung
US6922203B2 (en) 2001-06-06 2005-07-26 Hewlett-Packard Development Company, L.P. Barrier/orifice design for improved printhead performance
US6991315B2 (en) 2001-11-28 2006-01-31 Seiko Epson Corporation Ejecting method and ejecting apparatus
US7455389B2 (en) 2001-11-28 2008-11-25 Seiko Epson Corporation Ejecting method and ejecting apparatus
US9475286B2 (en) 2013-04-23 2016-10-25 Hewlett-Packard Industrial Printing Ltd Cross-talk suppression of adjacent inkjet nozzles

Also Published As

Publication number Publication date
EP0897804A3 (de) 2000-05-03
JPH11105289A (ja) 1999-04-20

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