JPH1039568A - 充電部材と像形成部材とを隔てるスペーサ装置 - Google Patents

充電部材と像形成部材とを隔てるスペーサ装置

Info

Publication number
JPH1039568A
JPH1039568A JP9107174A JP10717497A JPH1039568A JP H1039568 A JPH1039568 A JP H1039568A JP 9107174 A JP9107174 A JP 9107174A JP 10717497 A JP10717497 A JP 10717497A JP H1039568 A JPH1039568 A JP H1039568A
Authority
JP
Japan
Prior art keywords
spacer
drum
cam
opc drum
image forming
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
JP9107174A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1039568A5 (https=
Inventor
K Trent Christensen
ケイ・トレント・クリステンセン
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH1039568A publication Critical patent/JPH1039568A/ja
Publication of JPH1039568A5 publication Critical patent/JPH1039568A5/ja
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
    • G03G15/0208—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
    • 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
    • G03G15/025—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 in the vicinity with the member to be charged, e.g. proximity charging, forming microgap

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
JP9107174A 1996-05-02 1997-04-24 充電部材と像形成部材とを隔てるスペーサ装置 Pending JPH1039568A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US642,150 1996-05-02
US08/642,150 US5666608A (en) 1996-05-02 1996-05-02 Charging member and image forming member spacer apparatus

Publications (2)

Publication Number Publication Date
JPH1039568A true JPH1039568A (ja) 1998-02-13
JPH1039568A5 JPH1039568A5 (https=) 2005-03-17

Family

ID=24575409

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9107174A Pending JPH1039568A (ja) 1996-05-02 1997-04-24 充電部材と像形成部材とを隔てるスペーサ装置

Country Status (2)

Country Link
US (1) US5666608A (https=)
JP (1) JPH1039568A (https=)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100228804B1 (ko) * 1997-08-16 1999-11-01 윤종용 전자사진 현상방식을 채용한 화상형성장치에서 접촉대전방식의대전장치
JP3527910B2 (ja) 1998-08-31 2004-05-17 グンゼ株式会社 帯電ローラ式電子写真複写装置
US6381432B1 (en) * 1998-12-16 2002-04-30 Brother Kogyo Kabushiki Kaisha Charging device having a toner remover
US6118962A (en) * 1999-05-26 2000-09-12 Xerox Corporation Automatic camming of a developer module
US6385420B1 (en) * 1999-10-06 2002-05-07 Canon Kabushiki Kaisha Charging apparatus for contacting and separating charging member by use of moving force of body to be charged
JP3679665B2 (ja) * 1999-11-19 2005-08-03 キヤノン株式会社 間隙保証部材および現像装置および帯電装置およびプロセスカートリッジ
US6665507B1 (en) 2002-08-14 2003-12-16 Hewlett-Packard Development Company, Lp. Methods and devices for spacing components of an electrophotographic printer
US6810221B1 (en) 2003-04-24 2004-10-26 Hewlett-Packard Development Company, L.P. Apparatus and method for discharging an electrophotography component
US7050742B2 (en) * 2003-10-31 2006-05-23 Hewlett-Packard Development Company, L.P. Hard imaging apparatus charging devices and hard imaging device charging methods
US7035572B2 (en) * 2003-10-31 2006-04-25 Hewlett-Packard Development Company, L.P. Hard imaging device charging systems, electrophotography charging systems, hard imaging apparatuses, and hard imaging device electrophotography charging methods
US7035567B2 (en) * 2004-07-29 2006-04-25 Hewlett-Packard Development Company, L.P. Apparatus and method for reducing contamination of an image transfer device
US7835668B2 (en) * 2004-11-24 2010-11-16 Hewlett-Packard Development Company, L.P. Imaging methods, imaging member charging methods, and image engines
US20060243629A1 (en) * 2005-04-20 2006-11-02 Jill Wollam Packaging system
US20070138732A1 (en) * 2005-12-21 2007-06-21 Hackney Gary N Roller separator for printers
JP4788439B2 (ja) * 2006-03-30 2011-10-05 富士ゼロックス株式会社 像担持体ユニット及び画像形成装置
JP4804212B2 (ja) * 2006-04-19 2011-11-02 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置及びプロセスカートリッジの生産方法及び再生産方法
JP5125023B2 (ja) * 2006-08-09 2013-01-23 富士ゼロックス株式会社 クリーニング装置および画像形成装置
US7920810B2 (en) 2007-08-15 2011-04-05 Hewlett-Packard Development Company, L.P. Electrophotography device with electric field applicator
JP4663802B2 (ja) * 2008-09-01 2011-04-06 キヤノン株式会社 カバー部材及びカートリッジ
US8322872B2 (en) * 2009-08-20 2012-12-04 Lexmark International, Inc. Linear light diffusing structure for document scanners
JP2011191427A (ja) * 2010-03-12 2011-09-29 Fuji Xerox Co Ltd 画像成形カートリッジおよび画像形成装置
US8348273B2 (en) * 2011-03-29 2013-01-08 Lexmark International, Inc. Nip separator device for a roll assembly
US8210530B1 (en) 2011-03-29 2012-07-03 Lexmark International, Inc. Clutched nip separator device for a roll assembly
JP5796739B2 (ja) * 2011-11-15 2015-10-21 富士ゼロックス株式会社 画像形成装置
KR101758677B1 (ko) * 2011-11-22 2017-07-19 에스프린팅솔루션 주식회사 화상 형성 장치
KR101385967B1 (ko) * 2011-11-23 2014-04-17 삼성전자주식회사 현상기 및 이를 채용한 화상형성장치
JP6160122B2 (ja) * 2013-02-28 2017-07-12 ブラザー工業株式会社 カートリッジおよび画像形成装置
JP6436345B2 (ja) * 2014-12-11 2018-12-12 富士ゼロックス株式会社 離間装置及び画像形成装置
KR102000331B1 (ko) * 2015-01-22 2019-07-15 캐논 가부시끼가이샤 감광체 유닛 및 이를 구비한 화상 형성 장치
JP6486145B2 (ja) * 2015-02-27 2019-03-20 キヤノン株式会社 カートリッジ、及び、画像形成装置
WO2019011440A1 (en) 2017-07-13 2019-01-17 Hp Indigo B.V. FRICTION WHEEL
JP7207921B2 (ja) * 2018-09-26 2023-01-18 キヤノン株式会社 感光体ユニット
JP7282586B2 (ja) * 2019-04-25 2023-05-29 キヤノン株式会社 画像形成装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07152224A (ja) * 1993-11-30 1995-06-16 Fuji Xerox Co Ltd 画像形成装置
JPH0830177A (ja) * 1994-07-14 1996-02-02 Canon Inc プロセスカートリッジ及び画像形成装置
JPH0854772A (ja) * 1994-08-15 1996-02-27 Ricoh Co Ltd 画像形成装置
JPH0895343A (ja) * 1994-09-27 1996-04-12 Ricoh Co Ltd 画像形成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430527A (en) * 1987-06-30 1995-07-04 Canon Kabushiki Kaisha Electrophotographic apparatus having cleaning width larger than charging width
US5095335A (en) * 1989-09-19 1992-03-10 Canon Kabushiki Kaisha Copier with retractable charging unit to prevent damage to drum when removing process cartridge
US5227851A (en) * 1991-06-28 1993-07-13 Kabushiki Kaisha Toshiba Image-forming apparatus in which the image transferring means in a plate shaped elastic member
JPH06273987A (ja) * 1993-03-23 1994-09-30 Canon Inc プロセスカートリッジおよび画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07152224A (ja) * 1993-11-30 1995-06-16 Fuji Xerox Co Ltd 画像形成装置
JPH0830177A (ja) * 1994-07-14 1996-02-02 Canon Inc プロセスカートリッジ及び画像形成装置
JPH0854772A (ja) * 1994-08-15 1996-02-27 Ricoh Co Ltd 画像形成装置
JPH0895343A (ja) * 1994-09-27 1996-04-12 Ricoh Co Ltd 画像形成装置

Also Published As

Publication number Publication date
US5666608A (en) 1997-09-09

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