JPS5584674A - Ink jet plotter - Google Patents

Ink jet plotter

Info

Publication number
JPS5584674A
JPS5584674A JP16055378A JP16055378A JPS5584674A JP S5584674 A JPS5584674 A JP S5584674A JP 16055378 A JP16055378 A JP 16055378A JP 16055378 A JP16055378 A JP 16055378A JP S5584674 A JPS5584674 A JP S5584674A
Authority
JP
Japan
Prior art keywords
ink
water
density
supply
tank
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
JP16055378A
Other languages
Japanese (ja)
Inventor
Akinori Mizuno
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 JP16055378A priority Critical patent/JPS5584674A/en
Publication of JPS5584674A publication Critical patent/JPS5584674A/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
    • B41J2/195—Ink jet characterised by ink handling for monitoring ink quality

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Ink Jet (AREA)

Abstract

PURPOSE:To increase the quality of a printed image by photoelectrically detecting the density of ink, which is recovered and recirculated for reuse, to add water thereto as necessary, whereby the density of ink can be maintained at a level in a predetermined range, and the ejection characteristics of ink and the angle of deflection of ink jet can be kept constant. CONSTITUTION:A transparent pipe portion 13 is provided in a circulation system 11 for ink 1, which includes an ink tank 2, an ink supply pump 3, a head 5 and a gutter 10. In this transparent pipe portion 13, the density of the ink 1 is detected photoelectrically at all times by a light emitting element 14 and a light receiving element 15. When the density of the ink 1 has reached the upper limit of a predetermined range of levels, a signal for operating a water supply pump 19 is outputted from a water supply circuit 17 to supply the water in the water tank 18 to the ink tank 2. As a result, the density of the ink is decreased. When the density of the ink has reached a level close to the lower limit, the supply of water is limited by a comparison circuit 16 and the water supply circuit 17. The supply of water is thereafter interrupted.
JP16055378A 1978-12-21 1978-12-21 Ink jet plotter Pending JPS5584674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16055378A JPS5584674A (en) 1978-12-21 1978-12-21 Ink jet plotter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16055378A JPS5584674A (en) 1978-12-21 1978-12-21 Ink jet plotter

Publications (1)

Publication Number Publication Date
JPS5584674A true JPS5584674A (en) 1980-06-26

Family

ID=15717471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16055378A Pending JPS5584674A (en) 1978-12-21 1978-12-21 Ink jet plotter

Country Status (1)

Country Link
JP (1) JPS5584674A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743874A (en) * 1980-08-28 1982-03-12 Sharp Corp Controlling system for viscosity of jet ink
JPS5746897A (en) * 1981-07-22 1982-03-17 Sharp Corp Diluting liquid for ink to be jetted
US5406315A (en) * 1992-07-31 1995-04-11 Hewlett-Packard Company Method and system for remote-sensing ink temperature and melt-on-demand control for a hot melt ink jet printer
US5905510A (en) * 1995-09-21 1999-05-18 Nec Corporation Toner content monitoring system for use in a recording head for ink-jet printer
JP2019043094A (en) * 2017-09-06 2019-03-22 キヤノン株式会社 Inkjet recording device and method for controlling the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743874A (en) * 1980-08-28 1982-03-12 Sharp Corp Controlling system for viscosity of jet ink
JPS5746897A (en) * 1981-07-22 1982-03-17 Sharp Corp Diluting liquid for ink to be jetted
US5406315A (en) * 1992-07-31 1995-04-11 Hewlett-Packard Company Method and system for remote-sensing ink temperature and melt-on-demand control for a hot melt ink jet printer
US5905510A (en) * 1995-09-21 1999-05-18 Nec Corporation Toner content monitoring system for use in a recording head for ink-jet printer
JP2019043094A (en) * 2017-09-06 2019-03-22 キヤノン株式会社 Inkjet recording device and method for controlling the same

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