JPS55150379A - Ink jet printer - Google Patents

Ink jet printer

Info

Publication number
JPS55150379A
JPS55150379A JP5767379A JP5767379A JPS55150379A JP S55150379 A JPS55150379 A JP S55150379A JP 5767379 A JP5767379 A JP 5767379A JP 5767379 A JP5767379 A JP 5767379A JP S55150379 A JPS55150379 A JP S55150379A
Authority
JP
Japan
Prior art keywords
auxiliary electrodes
ink
particle
auxiliary
electrodes
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
JP5767379A
Other languages
Japanese (ja)
Inventor
Yutaka Ebi
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 JP5767379A priority Critical patent/JPS55150379A/en
Publication of JPS55150379A publication Critical patent/JPS55150379A/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
    • B41J2/07—Ink jet characterised by jet control
    • B41J2/075—Ink jet characterised by jet control for many-valued deflection
    • B41J2/08—Ink jet characterised by jet control for many-valued deflection charge-control type
    • B41J2/09—Deflection means

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

PURPOSE:To obtain an output image of high quality without printing blur in an electrification and deflection type ink jet printer by providing two auxiliary electrode means in the flying space of charged ink particles to correct their flight loci. CONSTITUTION:After an ink particle 2 ejected from the nozzle 1 of a head is electrified by a charging electrode 3, the ink particle is deflected by deflecting electrodes 4. A shielding electrode 8 and auxiliary electrodes 9, 10 are provided in the flying space of the particle. The shielding electrode 8 is kept at the ground potential to produce a shielding effect to prevent the electric fields on the auxiliary electrodes 9, 10 from exerting an influence upon the electrification and deflection of the ink particle. The auxiliary electrodes 9, 10 act to correct the deviation of the flight loci of the ink particle. The distance d1 between the plates of the auxiliary electrodes 9 is made larger than that d2 between the plates of the other auxiliary electrodes 10 and the voltage V2 between the auxiliary electrodes 10 is made higher than that V1 between the auxiliary electrodes V1 so that the electric field in the flying space converges to a point on the surface of recording paper 5.
JP5767379A 1979-05-11 1979-05-11 Ink jet printer Pending JPS55150379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5767379A JPS55150379A (en) 1979-05-11 1979-05-11 Ink jet printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5767379A JPS55150379A (en) 1979-05-11 1979-05-11 Ink jet printer

Publications (1)

Publication Number Publication Date
JPS55150379A true JPS55150379A (en) 1980-11-22

Family

ID=13062427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5767379A Pending JPS55150379A (en) 1979-05-11 1979-05-11 Ink jet printer

Country Status (1)

Country Link
JP (1) JPS55150379A (en)

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