JP4181653B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

Info

Publication number
JP4181653B2
JP4181653B2 JP04204498A JP4204498A JP4181653B2 JP 4181653 B2 JP4181653 B2 JP 4181653B2 JP 04204498 A JP04204498 A JP 04204498A JP 4204498 A JP4204498 A JP 4204498A JP 4181653 B2 JP4181653 B2 JP 4181653B2
Authority
JP
Japan
Prior art keywords
voltage
current
transfer
image forming
forming apparatus
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.)
Expired - Fee Related
Application number
JP04204498A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1145012A5 (enExample
JPH1145012A (ja
Inventor
健彦 鈴木
俊明 宮代
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP04204498A priority Critical patent/JP4181653B2/ja
Priority to US09/032,028 priority patent/US5999760A/en
Publication of JPH1145012A publication Critical patent/JPH1145012A/ja
Publication of JPH1145012A5 publication Critical patent/JPH1145012A5/ja
Application granted granted Critical
Publication of JP4181653B2 publication Critical patent/JP4181653B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G03G15/1665—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1675—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00717—Detection of physical properties
    • G03G2215/00734—Detection of physical properties of sheet size
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
    • G03G2215/0174—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member plural rotations of recording member to produce multicoloured copy
    • G03G2215/0177—Rotating set of developing units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
  • Counters In Electrophotography And Two-Sided Copying (AREA)
JP04204498A 1997-02-28 1998-02-24 画像形成装置 Expired - Fee Related JP4181653B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP04204498A JP4181653B2 (ja) 1997-02-28 1998-02-24 画像形成装置
US09/032,028 US5999760A (en) 1997-02-28 1998-02-27 Control method and image forming apparatus

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP4671597 1997-02-28
JP9-155771 1997-05-29
JP9-46715 1997-05-29
JP15577197 1997-05-29
JP04204498A JP4181653B2 (ja) 1997-02-28 1998-02-24 画像形成装置

Publications (3)

Publication Number Publication Date
JPH1145012A JPH1145012A (ja) 1999-02-16
JPH1145012A5 JPH1145012A5 (enExample) 2007-04-26
JP4181653B2 true JP4181653B2 (ja) 2008-11-19

Family

ID=27291042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04204498A Expired - Fee Related JP4181653B2 (ja) 1997-02-28 1998-02-24 画像形成装置

Country Status (2)

Country Link
US (1) US5999760A (enExample)
JP (1) JP4181653B2 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3697457B2 (ja) * 1997-10-30 2005-09-21 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
US6253038B1 (en) * 1998-08-31 2001-06-26 Canon Kabushiki Kaisha Image apparatus having an improved intermediate transfer system
JP4497639B2 (ja) 1999-04-06 2010-07-07 キヤノン株式会社 記録装置
JP4532629B2 (ja) * 1999-10-06 2010-08-25 キヤノン株式会社 画像形成装置
JP2001282012A (ja) * 2000-03-31 2001-10-12 Canon Inc 画像形成装置
JP3791366B2 (ja) * 2001-08-21 2006-06-28 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
US6775490B2 (en) * 2001-09-05 2004-08-10 Nexpress Digital Llc Electrostatographic reproduction method and apparatus with improved start-up to substantially prevent transfer roller contamination
JP3679741B2 (ja) 2001-09-07 2005-08-03 キヤノン株式会社 画像形成装置
JP3707442B2 (ja) * 2002-03-28 2005-10-19 ブラザー工業株式会社 画像形成装置
US6781880B2 (en) * 2002-07-19 2004-08-24 Micron Technology, Inc. Non-volatile memory erase circuitry
JP4058374B2 (ja) * 2003-03-07 2008-03-05 キヤノンファインテック株式会社 シート処理装置及び該装置を備えた画像形成装置
US7043170B2 (en) * 2003-05-01 2006-05-09 Canon Kabushiki Kaisha Image forming apparatus having speed control of primary and secondary image transfers
JP4778671B2 (ja) * 2003-07-02 2011-09-21 株式会社リコー 画像形成装置に用いる転写用部材の抵抗変化判定方法
JP4541906B2 (ja) * 2004-01-27 2010-09-08 キヤノン株式会社 シート束背面折り部平坦処理装置、シート処理装置、及び画像形成装置
JP2007316351A (ja) * 2006-05-26 2007-12-06 Canon Inc 画像形成装置
JP4988391B2 (ja) * 2006-06-06 2012-08-01 株式会社リコー 帯電装置、並びにこれを用いるプロセスユニット及び画像形成装置
JP4860372B2 (ja) * 2006-06-29 2012-01-25 京セラミタ株式会社 画像形成装置
JP4842031B2 (ja) * 2006-06-29 2011-12-21 京セラミタ株式会社 画像形成装置
JP4515421B2 (ja) * 2006-08-15 2010-07-28 京セラミタ株式会社 画像形成装置
JP4850621B2 (ja) * 2006-08-15 2012-01-11 京セラミタ株式会社 画像形成装置
JP5127205B2 (ja) * 2006-11-22 2013-01-23 キヤノン株式会社 画像形成装置
JP4771228B2 (ja) * 2007-05-10 2011-09-14 ブラザー工業株式会社 画像形成装置
JP5433939B2 (ja) * 2007-09-03 2014-03-05 コニカミノルタ株式会社 画像形成装置
JP2009157231A (ja) 2007-12-27 2009-07-16 Brother Ind Ltd 画像形成装置
JP5361435B2 (ja) * 2009-02-19 2013-12-04 キヤノン株式会社 画像形成装置
JP5623175B2 (ja) * 2010-07-30 2014-11-12 キヤノン株式会社 高電圧発生装置並びに画像形成装置、高電圧発生装置の電圧制御方法
JP2012034496A (ja) * 2010-07-30 2012-02-16 Canon Inc 高電圧発生装置及び画像形成装置
JP5808312B2 (ja) * 2012-11-28 2015-11-10 株式会社沖データ 画像形成装置
JP5855141B2 (ja) 2013-01-31 2016-02-09 キヤノン株式会社 画像形成装置
JP2015022214A (ja) * 2013-07-22 2015-02-02 ブラザー工業株式会社 画像形成装置
JP6840496B2 (ja) 2016-09-20 2021-03-10 キヤノン株式会社 シート検知装置及び画像形成装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114670A (ja) * 1984-06-30 1986-01-22 Ricoh Co Ltd 電子写真装置
US5287144A (en) * 1989-07-05 1994-02-15 Canon Kabushiki Kaisha Image forming apparatus having transfer charger which is controlled according to ambient conditions
US5214480A (en) * 1990-01-19 1993-05-25 Canon Kabushiki Kaisha Image forming apparatus with transfer sheet bearing means
US5249023A (en) * 1991-02-08 1993-09-28 Canon Kabushiki Kaisha Image forming apparatus having electrostatic attraction member
US5287163A (en) * 1991-02-08 1994-02-15 Canon Kabushiki Kaisha Overlaid image forming apparatus with coordinated transfer bias and attraction bias voltage sources
US5648808A (en) * 1991-06-10 1997-07-15 Canon Kabushiki Kaisha Automatic sheet feeding apparatus
JP2925368B2 (ja) * 1991-07-25 1999-07-28 キヤノン株式会社 シート給送装置及び画像形成装置
JP2872452B2 (ja) * 1991-07-30 1999-03-17 キヤノン株式会社 自動給紙装置及び記録装置
DE69219091T2 (de) * 1991-12-25 1997-10-16 Canon Kk Bilderzeugungsvorrichtung mit Transferelement für Übertragungsmaterial
JPH05313516A (ja) * 1992-05-07 1993-11-26 Fuji Xerox Co Ltd 画像形成装置
JP3203779B2 (ja) * 1992-07-20 2001-08-27 富士通株式会社 画像形成装置
DE69331082T2 (de) * 1992-07-31 2002-06-06 Canon K.K., Tokio/Tokyo Blattfördervorrichtung
JP3226629B2 (ja) * 1992-09-29 2001-11-05 キヤノン株式会社 画像形成装置
JP3197960B2 (ja) * 1992-09-30 2001-08-13 キヤノン株式会社 自動給送装置及び画像形成装置
JP3256010B2 (ja) * 1992-12-22 2002-02-12 キヤノン株式会社 画像形成装置
JP3273338B2 (ja) * 1993-03-23 2002-04-08 キヤノン株式会社 画像形成装置
JP3043552B2 (ja) * 1993-10-04 2000-05-22 シャープ株式会社 電子写真装置の画質安定化装置
JP3098369B2 (ja) * 1993-12-15 2000-10-16 キヤノン株式会社 シート給送装置及び記録装置
JPH07230223A (ja) * 1994-02-21 1995-08-29 Hitachi Ltd 画像形成装置
JP3082566B2 (ja) * 1994-03-26 2000-08-28 キヤノン株式会社 画像形成装置
JP3065886B2 (ja) * 1994-04-28 2000-07-17 キヤノン株式会社 定着装置
JP3501503B2 (ja) * 1994-07-25 2004-03-02 キヤノン株式会社 画像形成装置およびシート後処理装置
JP3822266B2 (ja) * 1995-09-08 2006-09-13 富士ゼロックス株式会社 画像形成装置およびその転写制御方式

Also Published As

Publication number Publication date
JPH1145012A (ja) 1999-02-16
US5999760A (en) 1999-12-07

Similar Documents

Publication Publication Date Title
JP4181653B2 (ja) 画像形成装置
CN100498580C (zh) 成像装置
US7496306B2 (en) Cleaning method for transfer device of image forming apparatus
US6498907B2 (en) Image forming apparatus including transfer means with transfer bias output controlled by calculated impedance at predetermined voltage/current
US9454109B2 (en) Image forming apparatus controlling transfer conditions based on resistance of transfer member
US7088933B2 (en) Image forming apparatus with control of transfer charge
US7403729B2 (en) Image forming apparatus featuring first and second cleaning members wherein a voltage applied to the second cleaning member is changeable
JP4393212B2 (ja) 画像形成装置
JP2002023529A (ja) 転写装置及び画像形成装置
JPH1097148A (ja) 画像形成装置
JP4845577B2 (ja) 画像形成装置
JP4432377B2 (ja) 画像形成装置
JP2002244369A (ja) 画像形成装置
JPH10198194A (ja) 画像形成装置
JP2007101980A (ja) 画像形成装置
JP2003241544A (ja) 画像形成装置
JP5489888B2 (ja) 画像形成装置
JP2002351234A (ja) 画像形成装置
JP2003241447A (ja) 画像形成装置
JP2005017627A (ja) 画像形成装置
JP2009251171A (ja) 画像形成装置
JPH10142953A (ja) 画像形成装置
JP2004021139A (ja) 画像形成装置
JP2004252011A (ja) 画像形成装置
JP2011145714A (ja) 画像形成装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050221

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070312

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20071205

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071225

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080225

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080422

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080623

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080819

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080901

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110905

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110905

Year of fee payment: 3

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: R3D04

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110905

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120905

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120905

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130905

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees