EP2837497A3 - Liquid droplet ejection apparatus and method for recovering nozzle of liquid droplet ejection apparatus - Google Patents

Liquid droplet ejection apparatus and method for recovering nozzle of liquid droplet ejection apparatus Download PDF

Info

Publication number
EP2837497A3
EP2837497A3 EP20140172583 EP14172583A EP2837497A3 EP 2837497 A3 EP2837497 A3 EP 2837497A3 EP 20140172583 EP20140172583 EP 20140172583 EP 14172583 A EP14172583 A EP 14172583A EP 2837497 A3 EP2837497 A3 EP 2837497A3
Authority
EP
European Patent Office
Prior art keywords
nozzle
ink
liquid droplet
micro
ejection apparatus
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.)
Granted
Application number
EP20140172583
Other languages
German (de)
French (fr)
Other versions
EP2837497B1 (en
EP2837497A2 (en
Inventor
Ryohei Kobayashi
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of EP2837497A2 publication Critical patent/EP2837497A2/en
Publication of EP2837497A3 publication Critical patent/EP2837497A3/en
Application granted granted Critical
Publication of EP2837497B1 publication Critical patent/EP2837497B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
    • B41J2/16526—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying pressure only
    • 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
    • B41J2/015—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
    • B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
    • 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
    • B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
    • 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
    • B41J2/04596—Non-ejecting pulses
    • 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
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16585—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads

Landscapes

  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

Sedimentation of solid particles in an ink is affectively eliminated, and liquid droplets can be stably ejected for a long time.
There is provided a liquid droplet ejection apparatus including: a head 1 that includes an ink chamber, a nozzle 12 provided in accordance with the ink chamber, and an energy giving device that gives energy to the ink in the ink chamber, the head performing printing on a print region of a recording medium C by ejecting liquid droplets from the nozzle 12; and a drive pulse generating device for generating, as the drive pulse, an ejection pulse that is used for ejecting the liquid droplets from the nozzle 12 and a micro-vibration pulse that micro-vibrates the ink in the ink chamber so as not to eject the liquid droplets from the nozzle 12, wherein the ink contains a dispersion medium and solid particles having higher specific gravity than that of a dispersion medium, and the liquid droplet ejection apparatus includes a refresh device for performing a micro-vibration operation for applying the plurality of micro-vibration pulses when the head is present in a non-print region, and an ejection operation for applying the plurality of rejection pulses after the micro-vibration operation and ejecting a liquid droplet amount equal to or greater than a capacity of the ink chamber from the nozzle 12.
EP14172583.8A 2013-06-24 2014-06-16 Liquid droplet ejection apparatus and method for recovering nozzle of liquid droplet ejection apparatus Active EP2837497B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013131601A JP2015003495A (en) 2013-06-24 2013-06-24 Droplet ejection device and nozzle recovery method of the same

Publications (3)

Publication Number Publication Date
EP2837497A2 EP2837497A2 (en) 2015-02-18
EP2837497A3 true EP2837497A3 (en) 2015-05-20
EP2837497B1 EP2837497B1 (en) 2019-10-02

Family

ID=50976478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14172583.8A Active EP2837497B1 (en) 2013-06-24 2014-06-16 Liquid droplet ejection apparatus and method for recovering nozzle of liquid droplet ejection apparatus

Country Status (3)

Country Link
EP (1) EP2837497B1 (en)
JP (1) JP2015003495A (en)
CN (1) CN104228349B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6611164B2 (en) * 2015-09-25 2019-11-27 芝浦メカトロニクス株式会社 Tablet printing apparatus and tablet printing method
CN105235391B (en) * 2015-10-27 2017-08-04 深圳市润天智数字设备股份有限公司 Bidirectional drawing type digital spraying print machine
DE102016100036A1 (en) * 2016-01-04 2017-07-06 Océ Holding B.V. Control module for inserting print image-dependent pre-fire pulses in an inkjet printing system
US11020982B2 (en) 2016-06-27 2021-06-01 Hewlett-Packard Development Company, L.P. Printhead recirculation
JP7019303B2 (en) * 2017-03-24 2022-02-15 東芝テック株式会社 Droplet dispenser
JP6811331B2 (en) * 2017-04-21 2021-01-13 ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． Fluid recirculation in the printhead
US20220184959A1 (en) * 2019-04-12 2022-06-16 Ball Corporation Method of maintaining inkjet printhead meniscus
JP7326899B2 (en) * 2019-06-12 2023-08-16 京セラドキュメントソリューションズ株式会社 Inkjet recording device
US20220324226A1 (en) * 2021-04-13 2022-10-13 Hewlett-Packard Development Company, L.P. Drop-based remedial actions for a printhead

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020171704A1 (en) * 2001-05-16 2002-11-21 Seiko Epson Corporation Liquid jetting apparatus
US20090160887A1 (en) * 2007-12-25 2009-06-25 Fuji Xerox Co., Ltd. Liquid droplet ejection head and image forming apparatus having the same
US20090289975A1 (en) * 2006-11-23 2009-11-26 Takahiro Yoshida Image forming device and printed matter
EP2127882A1 (en) * 2008-05-30 2009-12-02 Seiko Epson Corporation Fluid ejecting apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3056191B1 (en) 1999-01-12 2000-06-26 新潟日本電気株式会社 Driving apparatus and method for ink jet printer head
GB0724606D0 (en) 2007-12-18 2008-01-30 Xennia Technology Ltd Recirculating ink system for industrial inkjet printing
JP2012096423A (en) 2010-11-01 2012-05-24 Seiko Epson Corp Liquid ejecting apparatus and control method
US9067414B2 (en) * 2011-04-19 2015-06-30 Canon Kabushiki Kaisha Liquid ejection head and method of driving the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020171704A1 (en) * 2001-05-16 2002-11-21 Seiko Epson Corporation Liquid jetting apparatus
US20090289975A1 (en) * 2006-11-23 2009-11-26 Takahiro Yoshida Image forming device and printed matter
US20090160887A1 (en) * 2007-12-25 2009-06-25 Fuji Xerox Co., Ltd. Liquid droplet ejection head and image forming apparatus having the same
EP2127882A1 (en) * 2008-05-30 2009-12-02 Seiko Epson Corporation Fluid ejecting apparatus

Also Published As

Publication number Publication date
CN104228349A (en) 2014-12-24
JP2015003495A (en) 2015-01-08
EP2837497B1 (en) 2019-10-02
CN104228349B (en) 2016-07-06
EP2837497A2 (en) 2015-02-18

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