JPS5776567A - Recorder - Google Patents

Recorder

Info

Publication number
JPS5776567A
JPS5776567A JP55153134A JP15313480A JPS5776567A JP S5776567 A JPS5776567 A JP S5776567A JP 55153134 A JP55153134 A JP 55153134A JP 15313480 A JP15313480 A JP 15313480A JP S5776567 A JPS5776567 A JP S5776567A
Authority
JP
Japan
Prior art keywords
corotron
charger
same polarity
charging
fog
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
JP55153134A
Other languages
Japanese (ja)
Inventor
Mutsuji Kobayashi
Mikio Amaya
Akira Nakai
Isao Kondo
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55153134A priority Critical patent/JPS5776567A/en
Publication of JPS5776567A publication Critical patent/JPS5776567A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To completely eliminate the fog in a simple constitution, by providing a charger to give the electric charging to a recording matter to the same polarity as a toner before the developing process. CONSTITUTION:A charging corotron 10a is set opposite to a recording matter 2, and a metallic plate 15 containing an earthed end is provided inside the corotron 10a to form a charger. Then the surface opposite to the corotron 10a is electrically charged to the same polarity as a toner 13 of a developer. As a result, no electric insulation is required for a developing device 5, and furthermore an electric field which is necessary for the prescribed development can be formed just by using the corotron 10a and not using any bias power supply. Thus a so-called back fog can be completely eliminated.
JP55153134A 1980-10-31 1980-10-31 Recorder Pending JPS5776567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55153134A JPS5776567A (en) 1980-10-31 1980-10-31 Recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55153134A JPS5776567A (en) 1980-10-31 1980-10-31 Recorder

Publications (1)

Publication Number Publication Date
JPS5776567A true JPS5776567A (en) 1982-05-13

Family

ID=15555735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55153134A Pending JPS5776567A (en) 1980-10-31 1980-10-31 Recorder

Country Status (1)

Country Link
JP (1) JPS5776567A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132348U (en) * 1984-02-14 1985-09-04 セイコーインスツルメンツ株式会社 Electrostatic blotter recording device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132348U (en) * 1984-02-14 1985-09-04 セイコーインスツルメンツ株式会社 Electrostatic blotter recording device

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