JP4207767B2 - 光書込ヘッドの位置決め構造 - Google Patents
光書込ヘッドの位置決め構造 Download PDFInfo
- Publication number
- JP4207767B2 JP4207767B2 JP2003417543A JP2003417543A JP4207767B2 JP 4207767 B2 JP4207767 B2 JP 4207767B2 JP 2003417543 A JP2003417543 A JP 2003417543A JP 2003417543 A JP2003417543 A JP 2003417543A JP 4207767 B2 JP4207767 B2 JP 4207767B2
- Authority
- JP
- Japan
- Prior art keywords
- writing head
- optical writing
- photosensitive drum
- positioning
- 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
Links
Images
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
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
- G03G21/1666—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the exposure unit
-
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
- G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
-
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
- G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
-
- 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
-
- 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
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0402—Exposure devices
- G03G2215/0407—Light-emitting array or panel
- G03G2215/0409—Light-emitting diodes, i.e. LED-array
-
- 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
- G03G2221/1636—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the exposure unit
-
- 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
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
- G03G2221/1654—Locks and means for positioning or alignment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electrophotography Configuration And Component (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
6 感光体ドラム
6c ドラム軸
8 光書込ヘッド
8c レンズアレイ
8d 位置決めピン
18 感光体ドラムユニット筐体
18b 凹所
19 機枠(画像形成装置本体の機体)
20 用紙ガイド部材
20b 位置決め凹所(被位置決め部)
Claims (2)
- 画像形成装置本体に着脱自在に設置された感光体ドラムに対して、光書込ヘッドを相対的に位置決めする為の構造であって、前記光書込ヘッドは、その出光部側にレンズアレイを備え、一方、前記感光体ドラムは、感光体ドラムユニットの筐体に軸回転可能に支持され、前記光書込ヘッドは、前記レンズアレイを画像形成装置本体の機体に位置決め設置された前記感光体ドラムユニットの筐体表面に直接当接させることにより、感光体ドラムに対して相対的な位置決めがなされるようにしたことを特徴とする光書込ヘッドの位置決め構造。
- 前記感光体ドラムユニットの筐体におけるレンズアレイが当接する面には、レンズアレイの外形状に略等しい外形状の凹所が形成されていることを特徴とする請求項1に記載の光書込ヘッドの位置決め構造。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003417543A JP4207767B2 (ja) | 2003-12-16 | 2003-12-16 | 光書込ヘッドの位置決め構造 |
US10/993,320 US7245313B2 (en) | 2003-12-16 | 2004-11-19 | Image forming device |
CNB2004101021177A CN100465806C (zh) | 2003-12-16 | 2004-12-13 | 成像设备 |
US11/559,789 US7414644B2 (en) | 2003-12-16 | 2006-11-14 | Image forming device |
US11/559,769 US7397492B2 (en) | 2003-12-16 | 2006-11-14 | Image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003417543A JP4207767B2 (ja) | 2003-12-16 | 2003-12-16 | 光書込ヘッドの位置決め構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005178006A JP2005178006A (ja) | 2005-07-07 |
JP4207767B2 true JP4207767B2 (ja) | 2009-01-14 |
Family
ID=34650671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003417543A Expired - Fee Related JP4207767B2 (ja) | 2003-12-16 | 2003-12-16 | 光書込ヘッドの位置決め構造 |
Country Status (3)
Country | Link |
---|---|
US (3) | US7245313B2 (ja) |
JP (1) | JP4207767B2 (ja) |
CN (1) | CN100465806C (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8725028B2 (en) | 2010-07-27 | 2014-05-13 | Ricoh Company, Limited | Image forming apparatus using exposure unit of print head system |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4321230B2 (ja) | 2003-01-21 | 2009-08-26 | セイコーエプソン株式会社 | データ読取装置 |
JP2008225344A (ja) * | 2007-03-15 | 2008-09-25 | Oki Data Corp | 電子装置及び画像形成装置 |
JP5186891B2 (ja) * | 2007-11-16 | 2013-04-24 | 富士ゼロックス株式会社 | 画像形成装置 |
JP5125487B2 (ja) * | 2007-12-25 | 2013-01-23 | ブラザー工業株式会社 | 画像形成装置 |
JP5029388B2 (ja) * | 2008-01-24 | 2012-09-19 | ブラザー工業株式会社 | 画像形成装置 |
JP4706731B2 (ja) | 2008-07-25 | 2011-06-22 | ブラザー工業株式会社 | 画像形成装置 |
JP4678889B2 (ja) * | 2009-08-27 | 2011-04-27 | キヤノン株式会社 | 電子写真画像形成装置 |
KR101593997B1 (ko) * | 2009-09-28 | 2016-02-15 | 삼성전자주식회사 | 광주사 장치 |
JP5821474B2 (ja) * | 2011-09-28 | 2015-11-24 | ブラザー工業株式会社 | 画像形成装置 |
JP5901997B2 (ja) * | 2012-02-24 | 2016-04-13 | シャープ株式会社 | プロセスユニットおよびこれを備えた画像形成装置 |
JP5962982B2 (ja) * | 2012-08-29 | 2016-08-03 | 株式会社リコー | 画像形成装置 |
JP2014106415A (ja) * | 2012-11-28 | 2014-06-09 | Ricoh Co Ltd | 画像形成装置 |
JP7171379B2 (ja) * | 2018-11-19 | 2022-11-15 | キヤノン株式会社 | 光プリントヘッドを備える画像形成装置 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57154255A (en) * | 1981-03-18 | 1982-09-24 | Canon Inc | Image forming apparatus |
JPS62149051A (ja) | 1985-12-23 | 1987-07-03 | Ricoh Co Ltd | 情報記録媒体 |
JPS63148954A (ja) | 1986-12-15 | 1988-06-21 | Terumo Corp | 膨化食品の製法 |
JP2568740B2 (ja) | 1990-08-13 | 1997-01-08 | 三菱電機株式会社 | 電子写真装置 |
EP0491087B1 (en) * | 1990-12-17 | 1995-01-18 | Agfa-Gevaert N.V. | A process for the production of a colour image |
JP2995115B2 (ja) | 1991-10-23 | 1999-12-27 | 株式会社東芝 | 電子写真装置における記録ヘッドの位置決め方法 |
JP2805556B2 (ja) | 1991-11-07 | 1998-09-30 | 京セラ株式会社 | 画像形成装置 |
JPH05241386A (ja) * | 1992-03-02 | 1993-09-21 | Seiko Epson Corp | 画像形成装置 |
JP3084128B2 (ja) * | 1992-04-06 | 2000-09-04 | 京セラ株式会社 | 電子写真装置 |
JP3034157B2 (ja) | 1992-09-01 | 2000-04-17 | 株式会社東芝 | 電子写真装置 |
US5477306A (en) * | 1992-09-01 | 1995-12-19 | Kabushiki Kaisha Toshiba | Detachable process unit for an electrophotographic device |
JPH06102742A (ja) | 1992-09-21 | 1994-04-15 | Toshiba Corp | 電子写真装置 |
JPH06166209A (ja) | 1992-11-27 | 1994-06-14 | Oki Electric Ind Co Ltd | 画像形成装置の書込みヘッド位置決め方法とその機構 |
JPH0812494B2 (ja) | 1992-11-30 | 1996-02-07 | 三星電子株式会社 | 静電記録方式画像形成装置 |
KR0135851B1 (ko) * | 1993-09-28 | 1998-05-15 | 김광호 | 프린팅 방법 및 그 장치 |
JPH08142445A (ja) | 1994-11-21 | 1996-06-04 | Casio Electron Mfg Co Ltd | 画像形成装置 |
JP3177406B2 (ja) * | 1995-06-22 | 2001-06-18 | 株式会社沖データ | Ledプリントヘッド及びその焦点調整方法 |
JPH0995013A (ja) | 1995-09-29 | 1997-04-08 | Canon Inc | 画像形成装置 |
JPH09319173A (ja) | 1996-05-28 | 1997-12-12 | Casio Electron Mfg Co Ltd | 画像形成装置 |
JPH1016294A (ja) | 1996-07-01 | 1998-01-20 | Canon Inc | プリンタヘッド、プリンタヘッド調整治工具及びプリンタヘッド調整方法 |
JPH10119345A (ja) * | 1996-10-17 | 1998-05-12 | Canon Inc | 画像形成装置 |
JPH1165400A (ja) * | 1997-08-13 | 1999-03-05 | Casio Electron Mfg Co Ltd | 画像形成装置 |
JP2000203084A (ja) * | 1999-01-14 | 2000-07-25 | Ricoh Co Ltd | 画像形成装置及びledアレイヘッドの位置決め方法 |
JP2001205903A (ja) * | 2000-01-26 | 2001-07-31 | Fujitsu Ltd | 画像形成装置,テストパターン画像形成用プログラムを格納したコンピュータ読取可能な記録媒体,テストパターン画像形成方法及びスキュー量算出方法 |
JP2002023593A (ja) * | 2000-07-05 | 2002-01-23 | Canon Inc | プロセスカートリッジおよび画像形成装置 |
JP2002091268A (ja) | 2000-09-20 | 2002-03-27 | Canon Inc | プロセスカートリッジおよび画像形成装置 |
US6801232B2 (en) * | 2001-04-06 | 2004-10-05 | Oki Data Corporation | Distance maintaining member between optical head and image drum |
JP3647411B2 (ja) * | 2001-10-25 | 2005-05-11 | キヤノン株式会社 | 画像形成装置 |
-
2003
- 2003-12-16 JP JP2003417543A patent/JP4207767B2/ja not_active Expired - Fee Related
-
2004
- 2004-11-19 US US10/993,320 patent/US7245313B2/en not_active Expired - Fee Related
- 2004-12-13 CN CNB2004101021177A patent/CN100465806C/zh not_active Expired - Fee Related
-
2006
- 2006-11-14 US US11/559,789 patent/US7414644B2/en not_active Expired - Fee Related
- 2006-11-14 US US11/559,769 patent/US7397492B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8725028B2 (en) | 2010-07-27 | 2014-05-13 | Ricoh Company, Limited | Image forming apparatus using exposure unit of print head system |
Also Published As
Publication number | Publication date |
---|---|
US20050128282A1 (en) | 2005-06-16 |
US7414644B2 (en) | 2008-08-19 |
US7245313B2 (en) | 2007-07-17 |
US7397492B2 (en) | 2008-07-08 |
CN1629742A (zh) | 2005-06-22 |
US20070085894A1 (en) | 2007-04-19 |
JP2005178006A (ja) | 2005-07-07 |
US20070070172A1 (en) | 2007-03-29 |
CN100465806C (zh) | 2009-03-04 |
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