JPS5322744A - Ink jet type printing unit - Google Patents

Ink jet type printing unit

Info

Publication number
JPS5322744A
JPS5322744A JP9719076A JP9719076A JPS5322744A JP S5322744 A JPS5322744 A JP S5322744A JP 9719076 A JP9719076 A JP 9719076A JP 9719076 A JP9719076 A JP 9719076A JP S5322744 A JPS5322744 A JP S5322744A
Authority
JP
Japan
Prior art keywords
ink jet
printing unit
jet type
type printing
state
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
JP9719076A
Other languages
Japanese (ja)
Inventor
Hiromichi Komai
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 JP9719076A priority Critical patent/JPS5322744A/en
Publication of JPS5322744A publication Critical patent/JPS5322744A/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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/20—Ink jet characterised by ink handling for preventing or detecting contamination of compounds

Landscapes

  • Ink Jet (AREA)

Abstract

PURPOSE:To prevent the stuff-up of the injection head without using any dry-prevention liquid by mixing the concentrated ink and the dispersion medium within the injection head at the printing time and by securing a state of only dispersion medium or a state of dilute ink at the nonprinting time respectively.
JP9719076A 1976-08-14 1976-08-14 Ink jet type printing unit Pending JPS5322744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9719076A JPS5322744A (en) 1976-08-14 1976-08-14 Ink jet type printing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9719076A JPS5322744A (en) 1976-08-14 1976-08-14 Ink jet type printing unit

Publications (1)

Publication Number Publication Date
JPS5322744A true JPS5322744A (en) 1978-03-02

Family

ID=14185647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9719076A Pending JPS5322744A (en) 1976-08-14 1976-08-14 Ink jet type printing unit

Country Status (1)

Country Link
JP (1) JPS5322744A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156070A (en) * 1979-05-23 1980-12-04 Seiko Epson Corp Ink feeding mechanism in ink jet device
JPS55166264A (en) * 1979-06-13 1980-12-25 Seiko Epson Corp Inking device for wire dot printer
JPS5677995U (en) * 1979-11-15 1981-06-24
JPS5731576A (en) * 1980-08-01 1982-02-20 Ricoh Co Ltd Ink jet recording method
FR2618728A1 (en) * 1987-07-31 1989-02-03 Ricard Claude Method for preventing blocking of the ink injection nozzle of an ink jet printer and printers implementing this method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156070A (en) * 1979-05-23 1980-12-04 Seiko Epson Corp Ink feeding mechanism in ink jet device
JPS6338305B2 (en) * 1979-05-23 1988-07-29 Seiko Epson Corp
JPS55166264A (en) * 1979-06-13 1980-12-25 Seiko Epson Corp Inking device for wire dot printer
JPS6229235B2 (en) * 1979-06-13 1987-06-25 Seikoo Epuson Kk
JPS5677995U (en) * 1979-11-15 1981-06-24
JPS6243431Y2 (en) * 1979-11-15 1987-11-11
JPS5731576A (en) * 1980-08-01 1982-02-20 Ricoh Co Ltd Ink jet recording method
FR2618728A1 (en) * 1987-07-31 1989-02-03 Ricard Claude Method for preventing blocking of the ink injection nozzle of an ink jet printer and printers implementing this method

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