JPS57138950A - Ink jet printer - Google Patents

Ink jet printer

Info

Publication number
JPS57138950A
JPS57138950A JP2373681A JP2373681A JPS57138950A JP S57138950 A JPS57138950 A JP S57138950A JP 2373681 A JP2373681 A JP 2373681A JP 2373681 A JP2373681 A JP 2373681A JP S57138950 A JPS57138950 A JP S57138950A
Authority
JP
Japan
Prior art keywords
ink jet
nozzle
property
voltage
piezo
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.)
Pending
Application number
JP2373681A
Other languages
Japanese (ja)
Inventor
Isokazu Furukawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2373681A priority Critical patent/JPS57138950A/en
Publication of JPS57138950A publication Critical patent/JPS57138950A/en
Pending 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
    • B41J2/005—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
    • B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
    • 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
    • B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
    • B41J2002/022—Control methods or devices for continuous ink jet

Landscapes

  • Ink Jet (AREA)

Abstract

PURPOSE:To improve the quality of pictures with a greater universality of a printing paper by changing the mass of ink drops injected from an ink jet head according to hygroscopic property and seeping property of the paper. CONSTITUTION:A nozzle section of an ink jet head 1 is composed of a piezo- electric element 15. When a voltage is applied on electrodes 16 and 17 of the piezo-electric element 15, a slide diviation occurs in the thickness thereby enabling the control of the real diameter of a nozzle hole 2. In other words, when the hygroscopic property or the seeping property is high, a nozzle diameter controlling power source 13a relatively high in the source voltage, while it is relatively low, the nozzle diameter controlling power source 13b relatively low in the source voltage is selected. In this manner, the real nozzle diameter is adjusted properly. In the case of a deflection type, charge compensation voltage generation circuits 21a and 21b also are switched over to compensate for possible deflection strain.
JP2373681A 1981-02-20 1981-02-20 Ink jet printer Pending JPS57138950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2373681A JPS57138950A (en) 1981-02-20 1981-02-20 Ink jet printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2373681A JPS57138950A (en) 1981-02-20 1981-02-20 Ink jet printer

Publications (1)

Publication Number Publication Date
JPS57138950A true JPS57138950A (en) 1982-08-27

Family

ID=12118587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2373681A Pending JPS57138950A (en) 1981-02-20 1981-02-20 Ink jet printer

Country Status (1)

Country Link
JP (1) JPS57138950A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03213345A (en) * 1990-01-19 1991-09-18 Canon Inc Liquid injection recording method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03213345A (en) * 1990-01-19 1991-09-18 Canon Inc Liquid injection recording method

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