JP4556623B2 - 画像形成装置 - Google Patents
画像形成装置 Download PDFInfo
- Publication number
- JP4556623B2 JP4556623B2 JP2004326502A JP2004326502A JP4556623B2 JP 4556623 B2 JP4556623 B2 JP 4556623B2 JP 2004326502 A JP2004326502 A JP 2004326502A JP 2004326502 A JP2004326502 A JP 2004326502A JP 4556623 B2 JP4556623 B2 JP 4556623B2
- Authority
- JP
- Japan
- Prior art keywords
- exposure
- exposure device
- head
- peripheral surface
- outer peripheral
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
-
- 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
- G03G15/04054—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 by LED arrays
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Heads (AREA)
Description
5…感光体ドラム(回転式感光体)、
71、71′…第1LEDプリントヘッド(露光ヘッド)、
72、72′…第2LEDプリントヘッド(露光ヘッド)、
73 、73′…第3LEDプリントヘッド(露光ヘッド)、
71r、72r、73r…セルフォックレンズ(露光部)、
b11、b12、b13、b14、b21、b22、b23、b31、b32、b33、b34…調整ねじ(位置決め調整機構)、
hp1、hp2…偏心ピン(位置決め調整機構)、
R1、R1′、R3…露光器、
s11、s12、s21、s22、s31、s32…支持部材(支持手段)、
s11′、s12′…支持部(支持手段)、
sp11、sp12、sp22、sp23、sp32、sp34…調整孔(位置決め調整機構)、
sp21、sp31、sp33…孔(位置決め調整機構)、
tk 、tk′…露光器筐体(共通の筐体)。
Claims (3)
- 機器本体に回動自在に支持される円筒状の回転式感光体と、
前記回転式感光体の外周面を露光する第1の露光ヘッドと、
前記回転式感光体の外周面を露光する第2の露光ヘッドと、
前記回転式感光体の回転方向において前記第1の露光ヘッドおよび前記第2の露光ヘッドが離れるように、且つ該回転式感光体の外周面幅方向に亘って露光部が連続するように前記第1の露光ヘッドおよび前記第2の露光ヘッドを共通の筐体に配設した露光器と、
前記第1の露光ヘッドの露光方向に対して垂直な方向へ移動させることで前記第1露光ヘッドおよび前記第2の露光ヘッドから前記回転式感光体の外周面までの距離を調整する調整機構と
を具備することを特徴とする画像形成装置。 - 前記調整機構は、前記露光器の両端部に配設され、その両側とも該露光器の支持位置を移動させ調整するものである
ことを特徴とする請求項1に記載の画像形成装置。 - 前記調整機構は、前記第1の露光ヘッドから前記回転式感光体外周面までの距離よりも前記第2の露光ヘッドからの該距離をより大きく変化させるものである
ことを特徴とする請求項1に記載の画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004326502A JP4556623B2 (ja) | 2004-11-10 | 2004-11-10 | 画像形成装置 |
US11/115,207 US7446786B2 (en) | 2004-11-10 | 2005-04-27 | Image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004326502A JP4556623B2 (ja) | 2004-11-10 | 2004-11-10 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006137023A JP2006137023A (ja) | 2006-06-01 |
JP4556623B2 true JP4556623B2 (ja) | 2010-10-06 |
Family
ID=36315883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004326502A Expired - Fee Related JP4556623B2 (ja) | 2004-11-10 | 2004-11-10 | 画像形成装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7446786B2 (ja) |
JP (1) | JP4556623B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007072352A (ja) * | 2005-09-09 | 2007-03-22 | Seiko Epson Corp | 画像形成装置 |
JP5205736B2 (ja) * | 2006-10-10 | 2013-06-05 | 富士ゼロックス株式会社 | 露光装置 |
JP2009083467A (ja) * | 2007-09-13 | 2009-04-23 | Seiko Epson Corp | 露光装置およびこの露光装置を備えた画像形成装置 |
JP2009214396A (ja) * | 2008-03-10 | 2009-09-24 | Ricoh Co Ltd | 光書込みヘッドおよび画像形成装置 |
JP7396154B2 (ja) | 2020-03-25 | 2023-12-12 | 富士フイルムビジネスイノベーション株式会社 | 発光装置及び描画装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04168067A (ja) * | 1990-10-31 | 1992-06-16 | Ricoh Co Ltd | 光書込み装置 |
JPH10235937A (ja) * | 1997-02-28 | 1998-09-08 | Kyocera Corp | 画像形成装置 |
JP2002052757A (ja) * | 2000-05-29 | 2002-02-19 | Fuji Xerox Co Ltd | 画像形成装置 |
JP2002137438A (ja) * | 2000-10-31 | 2002-05-14 | Ricoh Co Ltd | 光書き込み装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62175782A (ja) | 1986-01-29 | 1987-08-01 | Ricoh Co Ltd | 光プリンタ−装置 |
JPH05127465A (ja) | 1991-11-07 | 1993-05-25 | Kyocera Corp | 画像形成装置 |
JPH06255175A (ja) | 1993-03-08 | 1994-09-13 | Fuji Xerox Co Ltd | 記録装置 |
US5872367A (en) * | 1997-04-02 | 1999-02-16 | Misomex International Corporation | High precision mount |
US7038706B1 (en) * | 1999-04-07 | 2006-05-02 | Ricoh Company Ltd. | Optical write apparatus including a plurality of substrates |
JP2002014524A (ja) * | 2000-06-30 | 2002-01-18 | Canon Inc | 電子写真画像形成装置 |
KR20020009828A (ko) | 2000-07-27 | 2002-02-02 | 윤종용 | 잉크 젯 프린트 헤드의 비아홀 형성방법 |
US7256811B2 (en) * | 2002-10-25 | 2007-08-14 | Kodak Graphic Communications Canada Company | Method and apparatus for imaging with multiple exposure heads |
-
2004
- 2004-11-10 JP JP2004326502A patent/JP4556623B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-27 US US11/115,207 patent/US7446786B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04168067A (ja) * | 1990-10-31 | 1992-06-16 | Ricoh Co Ltd | 光書込み装置 |
JPH10235937A (ja) * | 1997-02-28 | 1998-09-08 | Kyocera Corp | 画像形成装置 |
JP2002052757A (ja) * | 2000-05-29 | 2002-02-19 | Fuji Xerox Co Ltd | 画像形成装置 |
JP2002137438A (ja) * | 2000-10-31 | 2002-05-14 | Ricoh Co Ltd | 光書き込み装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060098075A1 (en) | 2006-05-11 |
JP2006137023A (ja) | 2006-06-01 |
US7446786B2 (en) | 2008-11-04 |
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