JPH01127362A - Control circuit of recording head - Google Patents

Control circuit of recording head

Info

Publication number
JPH01127362A
JPH01127362A JP28428187A JP28428187A JPH01127362A JP H01127362 A JPH01127362 A JP H01127362A JP 28428187 A JP28428187 A JP 28428187A JP 28428187 A JP28428187 A JP 28428187A JP H01127362 A JPH01127362 A JP H01127362A
Authority
JP
Japan
Prior art keywords
non
information
output data
used nozzle
data
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
JP28428187A
Other versions
JP2812464B2 (en
Inventor
Akira Nagatomo
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP62284281A priority Critical patent/JP2812464B2/en
Publication of JPH01127362A publication Critical patent/JPH01127362A/en
Application granted granted Critical
Publication of JP2812464B2 publication Critical patent/JP2812464B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/135Nozzles
    • B41J2/165Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517Cleaning of print head nozzles
    • B41J2/1652Cleaning 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
    • B41J2/16526Cleaning 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

Abstract

PURPOSE:To enable wastage of ink in a discharge recovery processing to be made as little as possible, by establishing a latch means by which information indicating no use of a nozzle is latched according to drive of a recording head corresponding to each of a plurality of nozzles. CONSTITUTION:When a recording data is outputted, information of non used nozzle is stored in output data latches 28-33 by an output data of output controllers 15-20. This data is kept until it is cleared with an output data latch controller 34. Information of a non-used nozzle stored in those output data latches 28-33, when CS=0, RD=0, and RS3=1, information of non-used nozzle of 6 byte contents of 3 bits of RS0-2 is selected, is outputted from an output data controller 34 according to its necessity, and is outputted to data buses D0-D7 via an output buffer 35. MPU monitors the information of the non-used nozzle by, for instance, one line (one main scan) unit, and control that only the non used nozzle is preliminarily discharged during one line is performed.
JP62284281A 1987-11-12 1987-11-12 An ink jet recording apparatus Expired - Fee Related JP2812464B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62284281A JP2812464B2 (en) 1987-11-12 1987-11-12 An ink jet recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62284281A JP2812464B2 (en) 1987-11-12 1987-11-12 An ink jet recording apparatus

Publications (2)

Publication Number Publication Date
JPH01127362A true JPH01127362A (en) 1989-05-19
JP2812464B2 JP2812464B2 (en) 1998-10-22

Family

ID=17676500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62284281A Expired - Fee Related JP2812464B2 (en) 1987-11-12 1987-11-12 An ink jet recording apparatus

Country Status (1)

Country Link
JP (1) JP2812464B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03155952A (en) * 1989-11-14 1991-07-03 Canon Inc Liquid jet recorder
JPH03244549A (en) * 1990-02-23 1991-10-31 Canon Inc Recording apparatus
US5850237A (en) * 1996-06-26 1998-12-15 Xerox Corporation Method and device for selective recording head maintenance for an ink recording apparatus
JP2006205386A (en) * 2005-01-25 2006-08-10 Brother Ind Ltd Inkjet recording device and head cleaning method for inkjet recording device
JP2010069818A (en) * 2008-09-22 2010-04-02 Konica Minolta Ij Technologies Inc Liquid ejection apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56154065A (en) * 1980-04-30 1981-11-28 Fujitsu Ltd Ink-jet recording device
JPS62146635A (en) * 1985-12-20 1987-06-30 Hitachi Koki Co Ltd Drive timing adjustment device for ink jet printer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56154065A (en) * 1980-04-30 1981-11-28 Fujitsu Ltd Ink-jet recording device
JPS62146635A (en) * 1985-12-20 1987-06-30 Hitachi Koki Co Ltd Drive timing adjustment device for ink jet printer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03155952A (en) * 1989-11-14 1991-07-03 Canon Inc Liquid jet recorder
JPH03244549A (en) * 1990-02-23 1991-10-31 Canon Inc Recording apparatus
US5850237A (en) * 1996-06-26 1998-12-15 Xerox Corporation Method and device for selective recording head maintenance for an ink recording apparatus
JP2006205386A (en) * 2005-01-25 2006-08-10 Brother Ind Ltd Inkjet recording device and head cleaning method for inkjet recording device
US7918531B2 (en) 2005-01-25 2011-04-05 Brother Kogyo Kabushiki Kaisha Ink-jet recording apparatus and method of cleaning recording head of ink-jet recording apparatus
JP2010069818A (en) * 2008-09-22 2010-04-02 Konica Minolta Ij Technologies Inc Liquid ejection apparatus

Also Published As

Publication number Publication date
JP2812464B2 (en) 1998-10-22

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees