EP1246027A3 - Appareil électrophotographique et méthode de détection de l'ouverture et de la fermeture d'un couvercle de celui - Google Patents

Appareil électrophotographique et méthode de détection de l'ouverture et de la fermeture d'un couvercle de celui Download PDF

Info

Publication number
EP1246027A3
EP1246027A3 EP02006647A EP02006647A EP1246027A3 EP 1246027 A3 EP1246027 A3 EP 1246027A3 EP 02006647 A EP02006647 A EP 02006647A EP 02006647 A EP02006647 A EP 02006647A EP 1246027 A3 EP1246027 A3 EP 1246027A3
Authority
EP
European Patent Office
Prior art keywords
door
density detection
closing
cover
toner density
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.)
Granted
Application number
EP02006647A
Other languages
German (de)
English (en)
Other versions
EP1246027B1 (fr
EP1246027A2 (fr
Inventor
Yutaka Ricoh Company Ltd. Fukuchi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP1246027A2 publication Critical patent/EP1246027A2/fr
Publication of EP1246027A3 publication Critical patent/EP1246027A3/fr
Application granted granted Critical
Publication of EP1246027B1 publication Critical patent/EP1246027B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
    • 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1623—Means to access the interior of the apparatus
    • G03G21/1633—Means to access the interior of the apparatus using doors or covers
    • 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
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00033—Image density detection on recording member
    • G03G2215/00037—Toner image detection
    • G03G2215/00042—Optical detection
    • 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
    • G03G2215/00544—Openable part of feed path
    • 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
    • G03G2215/00721—Detection of physical properties of sheet position
    • 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
    • G03G2215/0078—Detection of physical properties of opening of structural part
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1678—Frame structures
    • G03G2221/169—Structural door designs
EP20020006647 2001-03-26 2002-03-26 Appareil électrophotographique et méthode de détection de l'ouverture et de la fermeture d'un couvercle de celui Expired - Fee Related EP1246027B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001086611 2001-03-26
JP2001086611 2001-03-26
JP2001175610 2001-06-11
JP2001175610 2001-06-11
JP2002046268A JP4107372B2 (ja) 2001-03-26 2002-02-22 電子写真装置およびそのカバー開閉検知方法
JP2002046268 2002-02-22

Publications (3)

Publication Number Publication Date
EP1246027A2 EP1246027A2 (fr) 2002-10-02
EP1246027A3 true EP1246027A3 (fr) 2002-10-09
EP1246027B1 EP1246027B1 (fr) 2006-01-04

Family

ID=27346343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020006647 Expired - Fee Related EP1246027B1 (fr) 2001-03-26 2002-03-26 Appareil électrophotographique et méthode de détection de l'ouverture et de la fermeture d'un couvercle de celui

Country Status (3)

Country Link
EP (1) EP1246027B1 (fr)
JP (1) JP4107372B2 (fr)
DE (1) DE60208457T8 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040074335A (ko) * 2003-02-17 2004-08-25 삼성전자주식회사 전자사진방식 화상형성장치 및 그의 커버 열림 검지장치
JP4737565B2 (ja) 2008-07-25 2011-08-03 ブラザー工業株式会社 画像形成装置、及び画像形成装置の初期化方法
JP5409157B2 (ja) * 2009-07-21 2014-02-05 キヤノン株式会社 像加熱装置
JP5937370B2 (ja) * 2012-02-01 2016-06-22 ニスカ株式会社 プリンタ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01203138A (ja) * 1988-02-08 1989-08-15 Canon Inc 画像形成装置
JPH01210968A (ja) * 1988-02-19 1989-08-24 Ricoh Co Ltd 画像記録装置
JPH0218573A (ja) * 1988-07-06 1990-01-22 Nec Off Syst Ltd 複写機
JPH11282223A (ja) * 1998-02-02 1999-10-15 Ricoh Co Ltd 画像形成装置、および光学検知システム
EP1014225A2 (fr) * 1998-12-22 2000-06-28 Canon Kabushiki Kaisha Appareil de formation d'images

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01203138A (ja) * 1988-02-08 1989-08-15 Canon Inc 画像形成装置
JPH01210968A (ja) * 1988-02-19 1989-08-24 Ricoh Co Ltd 画像記録装置
JP2661941B2 (ja) * 1988-02-19 1997-10-08 株式会社リコー 画像記録装置
JPH0218573A (ja) * 1988-07-06 1990-01-22 Nec Off Syst Ltd 複写機
JPH11282223A (ja) * 1998-02-02 1999-10-15 Ricoh Co Ltd 画像形成装置、および光学検知システム
US6144811A (en) * 1998-02-02 2000-11-07 Ricoh Company Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paper
EP1014225A2 (fr) * 1998-12-22 2000-06-28 Canon Kabushiki Kaisha Appareil de formation d'images

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 500 (M - 891) 10 November 1989 (1989-11-10) *
PATENT ABSTRACTS OF JAPAN vol. 013, no. 517 (P - 962) 20 November 1989 (1989-11-20) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 162 (P - 1029) 29 March 1990 (1990-03-29) *

Also Published As

Publication number Publication date
DE60208457T2 (de) 2006-08-24
EP1246027B1 (fr) 2006-01-04
JP4107372B2 (ja) 2008-06-25
DE60208457D1 (de) 2006-03-30
EP1246027A2 (fr) 2002-10-02
DE60208457T8 (de) 2006-12-28
JP2003066776A (ja) 2003-03-05

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