KR930010872B1 - 전자사진분야에 이용되는 토너영상 형성장치 - Google Patents

전자사진분야에 이용되는 토너영상 형성장치 Download PDF

Info

Publication number
KR930010872B1
KR930010872B1 KR1019900002439A KR900002439A KR930010872B1 KR 930010872 B1 KR930010872 B1 KR 930010872B1 KR 1019900002439 A KR1019900002439 A KR 1019900002439A KR 900002439 A KR900002439 A KR 900002439A KR 930010872 B1 KR930010872 B1 KR 930010872B1
Authority
KR
South Korea
Prior art keywords
paper
toner image
sheet
transfer charger
charge
Prior art date
Application number
KR1019900002439A
Other languages
English (en)
Korean (ko)
Other versions
KR910015895A (ko
Inventor
마사또시 기무라
사찌오 사사끼
히데아끼 이와사끼
구니히꼬 사또
마사오 고니시
아끼요시 이와마사
도시오 도오다
히로시 노우
시게노부 오다까
료오 기따오
Original Assignee
후지쓰 가부시끼가이샤
야마모도 다꾸마
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
Priority claimed from JP1044368A external-priority patent/JPH02223980A/ja
Priority claimed from JP1044369A external-priority patent/JPH02223978A/ja
Priority claimed from JP1044367A external-priority patent/JPH0820815B2/ja
Application filed by 후지쓰 가부시끼가이샤, 야마모도 다꾸마 filed Critical 후지쓰 가부시끼가이샤
Publication of KR910015895A publication Critical patent/KR910015895A/ko
Application granted granted Critical
Publication of KR930010872B1 publication Critical patent/KR930010872B1/ko

Links

Images

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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
    • G03G15/1645—Arrangements for controlling the amount of charge
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
KR1019900002439A 1989-02-25 1990-02-26 전자사진분야에 이용되는 토너영상 형성장치 KR930010872B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP1-44367 1989-02-25
JP1044368A JPH02223980A (ja) 1989-02-25 1989-02-25 トナー像転写装置
JP1-44368 1989-02-25
JP1044369A JPH02223978A (ja) 1989-02-25 1989-02-25 トナー像転写装置
JP?1-44367 1989-02-25
JP1-44369 1989-02-25
JP?1-44369 1989-02-25
JP1044367A JPH0820815B2 (ja) 1989-02-25 1989-02-25 トナー像転写装置
JP?1-44368 1989-02-25

Publications (2)

Publication Number Publication Date
KR910015895A KR910015895A (ko) 1991-09-30
KR930010872B1 true KR930010872B1 (ko) 1993-11-15

Family

ID=27291867

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900002439A KR930010872B1 (ko) 1989-02-25 1990-02-26 전자사진분야에 이용되는 토너영상 형성장치

Country Status (4)

Country Link
EP (1) EP0385674B1 (de)
KR (1) KR930010872B1 (de)
CA (1) CA2010623C (de)
DE (1) DE69021411T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276491A (en) * 1989-12-06 1994-01-04 Konica Corporation Image forming apparatus
EP0436306A3 (en) * 1989-12-06 1992-03-18 Konica Corporation Image forming apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422837A (en) * 1977-07-21 1979-02-21 Ricoh Co Ltd Charge control of copying apparatus for zerography
JPS6114670A (ja) * 1984-06-30 1986-01-22 Ricoh Co Ltd 電子写真装置
US4728991A (en) * 1984-09-19 1988-03-01 Canon Kabushiki Kaisha Image forming apparatus
JPS61188570A (ja) * 1985-02-16 1986-08-22 Canon Inc 転写分離装置
JPH01201686A (ja) * 1988-02-08 1989-08-14 Ricoh Co Ltd 画像形成装置

Also Published As

Publication number Publication date
EP0385674A2 (de) 1990-09-05
CA2010623C (en) 1995-01-24
EP0385674B1 (de) 1995-08-09
CA2010623A1 (en) 1990-08-25
EP0385674A3 (de) 1991-09-04
DE69021411T2 (de) 1996-02-15
DE69021411D1 (de) 1995-09-14
KR910015895A (ko) 1991-09-30

Similar Documents

Publication Publication Date Title
US4380384A (en) Charging device for electronic copier
EP0071746A2 (de) Steuerung und Steuerungsverfahren für ein elektrostatisches Kopiergerät
EP0575947B1 (de) Elektrophotographisches Farbegerät
US4457615A (en) Combined charge/cleaning brush for use in a xerographic copier
EP0220663A2 (de) Druckgerät für Farbelektrophotographie
US5200784A (en) Transferring device controlled for preventing the leading edge of a sheet from being excessively charged
JPH1091009A (ja) 画像形成装置
KR930010872B1 (ko) 전자사진분야에 이용되는 토너영상 형성장치
EP1681602A1 (de) Optischer Sensor in einem Entwicklungsgerät zur Messung von Tonerkonzentrationen
US5890042A (en) Hybrid jumping developer with pulse width compensated toner mass control
EP0717327A1 (de) Selektive elektrische Aufladung von Toner mittels einer Dosierklinge in einer Bilderzeugungsvorrichtung
US4673280A (en) Transfer charge control system
EP0589134A1 (de) Bilderzeugungsgerät
US4611900A (en) Apparatus for sensing the presence of toner particles
JPH09114227A (ja) 印刷機のためのトナー維持システム及び方法
JP2737009B2 (ja) 画像形成装置
JP2609226B2 (ja) カラー電子写真装置
US7023583B2 (en) Method and apparatus for use in image forming apparatus
JPS606839Y2 (ja) 電子複写機等における転写紙搬送装置
JPH06194966A (ja) 画像形成装置
JP3587955B2 (ja) 静電画像形成方法
JPH0377991B2 (de)
JP2003098821A (ja) 現像装置・画像形成装置
JPS62184478A (ja) 画像形成装置
JPH02223978A (ja) トナー像転写装置

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20091110

Year of fee payment: 17

EXPY Expiration of term