DE3566370D1 - Apparatus and method for automatically determining defective thermal printhead elements - Google Patents

Apparatus and method for automatically determining defective thermal printhead elements

Info

Publication number
DE3566370D1
DE3566370D1 DE8585305794T DE3566370T DE3566370D1 DE 3566370 D1 DE3566370 D1 DE 3566370D1 DE 8585305794 T DE8585305794 T DE 8585305794T DE 3566370 T DE3566370 T DE 3566370T DE 3566370 D1 DE3566370 D1 DE 3566370D1
Authority
DE
Germany
Prior art keywords
automatically determining
thermal printhead
printhead elements
determining defective
defective thermal
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.)
Expired
Application number
DE8585305794T
Other languages
English (en)
Inventor
Ralf Maynard Brooks
Arvindkumar Chunilal Vyas
Brian Paul Connell
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.)
NCR Canada Ltd
Original Assignee
NCR Canada Ltd
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 NCR Canada Ltd filed Critical NCR Canada Ltd
Application granted granted Critical
Publication of DE3566370D1 publication Critical patent/DE3566370D1/de
Expired legal-status Critical Current

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
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • 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
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B41J2/36—Print density control
    • B41J2/365—Print density control by compensation for variation in temperature
    • 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
    • B41J7/00—Type-selecting or type-actuating mechanisms
    • B41J7/96—Means checking correctness of setting
DE8585305794T 1984-08-14 1985-08-14 Apparatus and method for automatically determining defective thermal printhead elements Expired DE3566370D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/640,894 US4595935A (en) 1984-08-14 1984-08-14 System for detecting defective thermal printhead elements

Publications (1)

Publication Number Publication Date
DE3566370D1 true DE3566370D1 (en) 1988-12-29

Family

ID=24570109

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585305794T Expired DE3566370D1 (en) 1984-08-14 1985-08-14 Apparatus and method for automatically determining defective thermal printhead elements

Country Status (5)

Country Link
US (1) US4595935A (de)
EP (1) EP0174751B1 (de)
JP (1) JPH0632938B2 (de)
CA (1) CA1241567A (de)
DE (1) DE3566370D1 (de)

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US4758966A (en) * 1986-05-05 1988-07-19 Ncr Canada Ltd. - Ncr Canada Ltee Thermal printing apparatus and method
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JP2630960B2 (ja) * 1987-10-17 1997-07-16 グラフテック株式会社 サーマルドットアレイを用いた波形記録装置
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DE3741799A1 (de) * 1987-12-07 1989-06-15 Siemens Ag Thermodruckverfahren
US5033887A (en) * 1988-07-25 1991-07-23 Nixdorf Computer Ag Process for the production of information relative to the type of a printing head
US5037216A (en) * 1988-09-23 1991-08-06 Datacard Corporation System and method for producing data bearing cards
US4960336A (en) * 1990-01-26 1990-10-02 Ncr Corporation Apparatus and method for calibrating printing at a specified distance from a document edge
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US5072235A (en) * 1990-06-26 1991-12-10 Xerox Corporation Method and apparatus for the electronic detection of air inside a thermal inkjet printhead
FR2682512A1 (fr) * 1991-10-11 1993-04-16 Ier Procede de prevention automatique des defauts d'impression de codes a barres dans une imprimante et imprimante concue pour la mise en óoeuvre de ce procede.
JP2901032B2 (ja) * 1992-01-31 1999-06-02 京セラ株式会社 Ｌｅｄプリントヘッド
US5691750A (en) * 1992-11-24 1997-11-25 Lexmark International, Inc. Ink level sensing for disposable ink jet print head cartridges
CA2109551A1 (en) * 1992-12-07 1994-06-08 Wallace Kirschner Postage metering system with indicia selectable to compensate for detected printer defects
EP0659567A1 (de) * 1993-12-23 1995-06-28 Francotyp-Postalia GmbH Verfahren zum Betreiben eines Thermodruckers
US6116714A (en) * 1994-03-04 2000-09-12 Canon Kabushiki Kaisha Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head
GB9410273D0 (en) * 1994-05-20 1994-07-13 Prestek Ltd Printing apparatus
EP0635368A3 (de) * 1994-05-26 1995-09-06 Illinois Tool Works Verfahren und Gerät für kostengünstigen Thermo-Drucker.
US5546112A (en) * 1994-10-28 1996-08-13 Pitney Bowes Inc. Epm having a system for detecting fault conditions of the thermal printhead
WO1999008875A1 (en) * 1997-08-01 1999-02-25 Encad, Inc. Ink-jet printer, method and system compensating for nonfunctional print elements
CA2242500C (en) * 1997-09-15 2007-11-13 Monarch Marking Systems, Inc. Early thermal printhead failure prediction system
JP3068549B2 (ja) * 1998-03-05 2000-07-24 日本電気データ機器株式会社 サーマルプリンタ
US6705694B1 (en) * 1999-02-19 2004-03-16 Hewlett-Packard Development Company, Lp. High performance printing system and protocol
US6729707B2 (en) * 2002-04-30 2004-05-04 Hewlett-Packard Development Company, L.P. Self-calibration of power delivery control to firing resistors
US6755495B2 (en) * 2001-03-15 2004-06-29 Hewlett-Packard Development Company, L.P. Integrated control of power delivery to firing resistors for printhead assembly
GB0002710D0 (en) * 2000-02-08 2000-03-29 Gec Avery Ltd Thermal printhead operation
DE60204485T2 (de) * 2001-01-05 2006-03-16 Hewlett-Packard Development Co., L.P., Houston Integrierter programmierbarer Auslösepulsgenerator für Tintenstrahldruckkopf
US6585339B2 (en) 2001-01-05 2003-07-01 Hewlett Packard Co Module manager for wide-array inkjet printhead assembly
US6726298B2 (en) 2001-02-08 2004-04-27 Hewlett-Packard Development Company, L.P. Low voltage differential signaling communication in inkjet printhead assembly
US6669317B2 (en) * 2001-02-27 2003-12-30 Hewlett-Packard Development Company, L.P. Precursor electrical pulses to improve inkjet decel
US6478396B1 (en) 2001-03-02 2002-11-12 Hewlett-Packard Company Programmable nozzle firing order for printhead assembly
US6471320B2 (en) 2001-03-09 2002-10-29 Hewlett-Packard Company Data bandwidth reduction to printhead with redundant nozzles
US6932453B2 (en) * 2001-10-31 2005-08-23 Hewlett-Packard Development Company, L.P. Inkjet printhead assembly having very high drop rate generation
US6746107B2 (en) 2001-10-31 2004-06-08 Hewlett-Packard Development Company, L.P. Inkjet printhead having ink feed channels defined by thin-film structure and orifice layer
US6543879B1 (en) 2001-10-31 2003-04-08 Hewlett-Packard Company Inkjet printhead assembly having very high nozzle packing density
US6726300B2 (en) * 2002-04-29 2004-04-27 Hewlett-Packard Development Company, L.P. Fire pulses in a fluid ejection device
US6760053B2 (en) * 2002-04-29 2004-07-06 Rimage Corporation Thermal printer element tester
US7054017B2 (en) * 2002-04-30 2006-05-30 Hewlett-Packard Development, L.P. Avoiding printing defects
US20040241667A1 (en) * 2003-05-30 2004-12-02 Chesk William G. Pulse-jet ejection head diagnostic system
US6825675B1 (en) 2003-06-27 2004-11-30 Lexmark International, Inc. Method for detecting a shorted printhead in a printer having at least two printheads
US20060139670A1 (en) * 2004-12-27 2006-06-29 Hoblit Robert S Method and system for correcting output of printer devices
US7419231B2 (en) * 2005-05-25 2008-09-02 Lexmark International, Inc. Power sensing circuit
US8015939B2 (en) * 2006-06-30 2011-09-13 Asml Netherlands B.V. Imprintable medium dispenser
EP2073983A4 (de) * 2006-10-09 2012-08-01 Silverbrook Res Pty Ltd Druckkopf-ic mit stellglied-offen-test
US7425048B2 (en) 2006-10-10 2008-09-16 Silverbrook Research Pty Ltd Printhead IC with de-activatable temperature sensor
US7780256B2 (en) 2006-10-10 2010-08-24 Silverbrook Research Pty Ltd Printhead IC with spaced nozzle firing sequence
US8016389B2 (en) 2006-10-10 2011-09-13 Silverbrook Research Pty Ltd Printhead IC with staggered nozzle firing pulses
US7413288B2 (en) 2006-10-10 2008-08-19 Silverbrook Research Pty Ltd Externally applied write addresses for printhead integrated circuits
US7819494B2 (en) 2006-10-10 2010-10-26 Silverbrook Research Pty Ltd Printhead IC with multi-stage print data loading and firing
US7946674B2 (en) 2006-10-10 2011-05-24 Silverbrook Research Pty Ltd Printhead IC with open actuator test
US7722163B2 (en) 2006-10-10 2010-05-25 Silverbrook Research Pty Ltd Printhead IC with clock recovery circuit
US7425047B2 (en) 2006-10-10 2008-09-16 Silverbrook Research Pty Ltd Printhead IC compatible with mutally incompatible print engine controllers
US7845747B2 (en) 2006-10-10 2010-12-07 Silverbrook Research Pty Ltd Printhead with sub-ejection pulse for non-firing nozzles
US7938500B2 (en) 2006-10-10 2011-05-10 Silverbrook Research Pty Ltd Printhead IC with multiple temperature sensors
US7604321B2 (en) 2006-10-10 2009-10-20 Silverbrook Research Pty Ltd Thermal inkjet printhead with de-clog firing mode
US7384128B2 (en) 2006-10-10 2008-06-10 Silverbrook Research Pty Ltd Printhead IC with nozzle array for linking with adjacent printhead IC's
US7681970B2 (en) 2006-10-10 2010-03-23 Silverbrook Research Pty Ltd Self initialising printhead IC
US7547087B2 (en) * 2007-02-23 2009-06-16 International Business Machines Corporation Fault detection circuit for printers with multiple print heads
JP6750304B2 (ja) * 2016-05-24 2020-09-02 セイコーエプソン株式会社 サーマルプリンター、及び、サーマルプリンターの制御方法
US10596827B2 (en) 2018-04-06 2020-03-24 Datamax-O'neil Corporation Methods and systems for operating a printer apparatus

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JPS5517991B2 (de) * 1972-12-25 1980-05-15
US4284876A (en) * 1979-04-24 1981-08-18 Oki Electric Industry Co., Ltd. Thermal printing system
JPS6036397B2 (ja) * 1980-03-31 1985-08-20 株式会社東芝 熱記録装置
US4321610A (en) * 1980-05-05 1982-03-23 Computer Peripherals, Inc. Dot matrix printer with half space dot capability
JPS57137162A (en) * 1981-02-17 1982-08-24 Omron Tateisi Electronics Co Bar code printing system in line dot type printing device
JPS5828391A (ja) * 1981-08-12 1983-02-19 Ishida Scales Mfg Co Ltd サ−マルプリンタ−の印字回路のチエツク装置
JPS5831777A (ja) * 1981-08-19 1983-02-24 Ishida Scales Mfg Co Ltd サ−マルプリンタ−の不良素子回避方法
JPS59136264A (ja) * 1983-01-26 1984-08-04 Tokyo Electric Co Ltd サ−マルヘツドによるバ−コ−ド印字方法
JPS59138477A (ja) * 1983-01-27 1984-08-08 Yamato Scale Co Ltd 感熱式印字装置の発熱体良否判別装置
JPS59201878A (ja) * 1983-04-28 1984-11-15 Tokyo Electric Co Ltd サ−マルプリンタ

Also Published As

Publication number Publication date
EP0174751B1 (de) 1988-11-23
JPS6169482A (ja) 1986-04-10
EP0174751A1 (de) 1986-03-19
CA1241567A (en) 1988-09-06
JPH0632938B2 (ja) 1994-05-02
US4595935A (en) 1986-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee