JPS5655269A - Ink jet printer - Google Patents

Ink jet printer

Info

Publication number
JPS5655269A
JPS5655269A JP13182679A JP13182679A JPS5655269A JP S5655269 A JPS5655269 A JP S5655269A JP 13182679 A JP13182679 A JP 13182679A JP 13182679 A JP13182679 A JP 13182679A JP S5655269 A JPS5655269 A JP S5655269A
Authority
JP
Japan
Prior art keywords
deflection
accordance
charging
detectors
charge amount
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
JP13182679A
Other languages
Japanese (ja)
Inventor
Hiromasa Isobe
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 JP13182679A priority Critical patent/JPS5655269A/en
Publication of JPS5655269A publication Critical patent/JPS5655269A/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
    • B41J2/12—Ink jet characterised by jet control testing or correcting charge or deflection

Landscapes

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

Abstract

PURPOSE:To correct the charging voltage at each deflection stage reliably by a method wherein detecting electrodes are placed in two or more positions so as to detect the charge amount of the charged ink droplet when the latter passes by, and the charging voltge at each deflection is corrected on the basis of the detected charge amount. CONSTITUTION:The ink droplets are charged in accordance with the number of the deflection stages, and deflected in accordance with the charge amount. A pair of detectors 7a, 7b and a pair of detectors 6a, 6b are provided at the minimum deflection stage 0 and at the maximum deflection stage n, respectively, of the charged ink droplets. In the case where the charging voltage at each of the deflection stages is set in accordance with the curve (a), with the initial charging voltages at the minimum deflection stage 0 and the maximum deflection stage n being Vomin and Vmax respectively, the charging voltage is corrected in accordance with the solid- line curve connecting the charging voltages Vmin and Vmax when the latter voltages are obtained by the detectors as a result of the change of the conditions.
JP13182679A 1979-10-15 1979-10-15 Ink jet printer Pending JPS5655269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13182679A JPS5655269A (en) 1979-10-15 1979-10-15 Ink jet printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13182679A JPS5655269A (en) 1979-10-15 1979-10-15 Ink jet printer

Publications (1)

Publication Number Publication Date
JPS5655269A true JPS5655269A (en) 1981-05-15

Family

ID=15066997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13182679A Pending JPS5655269A (en) 1979-10-15 1979-10-15 Ink jet printer

Country Status (1)

Country Link
JP (1) JPS5655269A (en)

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