JP5283878B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP5283878B2
JP5283878B2 JP2007253744A JP2007253744A JP5283878B2 JP 5283878 B2 JP5283878 B2 JP 5283878B2 JP 2007253744 A JP2007253744 A JP 2007253744A JP 2007253744 A JP2007253744 A JP 2007253744A JP 5283878 B2 JP5283878 B2 JP 5283878B2
Authority
JP
Japan
Prior art keywords
charging
image
voltage
bias
drum
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
JP2007253744A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008152233A (ja
JP2008152233A5 (enExample
Inventor
亮 井上
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 JP2007253744A priority Critical patent/JP5283878B2/ja
Publication of JP2008152233A publication Critical patent/JP2008152233A/ja
Publication of JP2008152233A5 publication Critical patent/JP2008152233A5/ja
Application granted granted Critical
Publication of JP5283878B2 publication Critical patent/JP5283878B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/06—Eliminating residual charges from a reusable imaging member
    • 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
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • 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
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP2007253744A 2006-11-20 2007-09-28 画像形成装置 Expired - Fee Related JP5283878B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007253744A JP5283878B2 (ja) 2006-11-20 2007-09-28 画像形成装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006312685 2006-11-20
JP2006312685 2006-11-20
JP2007253744A JP5283878B2 (ja) 2006-11-20 2007-09-28 画像形成装置

Publications (3)

Publication Number Publication Date
JP2008152233A JP2008152233A (ja) 2008-07-03
JP2008152233A5 JP2008152233A5 (enExample) 2010-11-11
JP5283878B2 true JP5283878B2 (ja) 2013-09-04

Family

ID=39417069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007253744A Expired - Fee Related JP5283878B2 (ja) 2006-11-20 2007-09-28 画像形成装置

Country Status (2)

Country Link
US (1) US8023845B2 (enExample)
JP (1) JP5283878B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5539013B2 (ja) * 2009-06-17 2014-07-02 キヤノン株式会社 画像形成装置
JP5623252B2 (ja) 2010-11-15 2014-11-12 キヤノン株式会社 画像形成装置
JP6414040B2 (ja) 2015-12-11 2018-10-31 コニカミノルタ株式会社 画像形成装置、画像形成装置の制御方法、および画像形成装置の制御プログラム

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0789249B2 (ja) * 1989-09-14 1995-09-27 キヤノン株式会社 画像形成装置
JPH0519595A (ja) * 1990-09-14 1993-01-29 Canon Inc 画像形成装置
JP3248745B2 (ja) 1992-04-10 2002-01-21 ブラザー工業株式会社 接触帯電装置
JP3248751B2 (ja) 1992-04-20 2002-01-21 ブラザー工業株式会社 接触帯電装置
JPH063921A (ja) 1992-06-17 1994-01-14 Canon Inc 電子写真装置及びこの装置に着脱可能なプロセスカートリッジ
EP0576203B1 (en) * 1992-06-17 1998-01-21 Canon Kabushiki Kaisha Electrophotographic apparatus and process cartridge having charging member
JP3357099B2 (ja) 1992-11-26 2002-12-16 ブラザー工業株式会社 電子写真印字装置
JP3376055B2 (ja) 1992-12-26 2003-02-10 キヤノン株式会社 画像形成装置
EP0605242B1 (en) * 1992-12-26 1997-09-03 Canon Kabushiki Kaisha Image forming apparatus having charging member supplied with oscillating voltage
JPH07175296A (ja) * 1993-12-20 1995-07-14 Canon Inc 帯電装置、画像形成装置、及びプロセスカートリッジ
JPH1010846A (ja) * 1996-06-25 1998-01-16 Canon Inc 帯電装置及び画像形成装置
JP3428379B2 (ja) * 1997-07-11 2003-07-22 シャープ株式会社 画像形成装置
JP2000330362A (ja) * 1999-05-18 2000-11-30 Fuji Xerox Co Ltd 画像形成装置
JP2002055512A (ja) * 2000-05-30 2002-02-20 Ricoh Co Ltd 帯電装置および該帯電装置を有する画像形成装置
JP4272808B2 (ja) * 2000-12-19 2009-06-03 キヤノン株式会社 画像形成装置
JP3870107B2 (ja) * 2002-02-27 2007-01-17 キヤノン株式会社 画像形成装置及びプロセスカートリッジ
JP2004085735A (ja) * 2002-08-23 2004-03-18 Fuji Xerox Co Ltd 画像形成装置
JP2004138801A (ja) * 2002-10-17 2004-05-13 Ricoh Co Ltd 帯電装置、作像ユニット及び画像形成装置
JP2005012624A (ja) * 2003-06-20 2005-01-13 Fuji Xerox Co Ltd 画像処理装置
US7054574B2 (en) * 2003-11-25 2006-05-30 Xerox Corporation Method for charging a photoreceptor to extend the life of a charge receptor in a xerographic printer
JP4508678B2 (ja) * 2004-02-19 2010-07-21 キヤノン株式会社 画像形成装置
US7215908B2 (en) * 2005-03-30 2007-05-08 Xerox Corporation Non-contact bias charge roll biased with burst modulation waveform
JP2007052110A (ja) * 2005-08-16 2007-03-01 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
US8023845B2 (en) 2011-09-20
JP2008152233A (ja) 2008-07-03
US20080118258A1 (en) 2008-05-22

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