JP5377406B2 - 光走査装置および画像形成装置 - Google Patents
光走査装置および画像形成装置 Download PDFInfo
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- JP5377406B2 JP5377406B2 JP2010112109A JP2010112109A JP5377406B2 JP 5377406 B2 JP5377406 B2 JP 5377406B2 JP 2010112109 A JP2010112109 A JP 2010112109A JP 2010112109 A JP2010112109 A JP 2010112109A JP 5377406 B2 JP5377406 B2 JP 5377406B2
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- JP
- Japan
- Prior art keywords
- optical element
- support member
- lens
- scanning device
- optical
- 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.)
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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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/011—Details of unit for exposing
-
- 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
- B41J2/47—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 the combination of scanning and modulation of light
- B41J2/471—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 the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
- B41J2/473—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 the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror using multiple light beams, wavelengths or colours
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/12—Scanning systems using multifaceted mirrors
- G02B26/123—Multibeam scanners, e.g. using multiple light sources or beam splitters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/12—Scanning systems using multifaceted mirrors
- G02B26/125—Details of the optical system between the polygonal mirror and the image plane
-
- 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
- G03G15/043—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 with means for controlling illumination or exposure
- G03G15/0435—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 with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
-
- 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
- G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
- G03G2215/0103—Plural electrographic recording members
- G03G2215/0119—Linear arrangement adjacent plural transfer points
- G03G2215/0122—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt
- G03G2215/0125—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt the linear arrangement being horizontal or slanted
- G03G2215/0132—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt the linear arrangement being horizontal or slanted vertical medium transport path at the secondary transfer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
- Laser Beam Printer (AREA)
Description
30 −光走査装置
100 −画像形成装置
310 −レーザダイオード
390 −第3fθレンズ
391 −偏心カム
392A−取付部
392B−取付部
393A−第1支持部材
393B−第1支持部材
394A−第2支持部材
394B−第2支持部材
395A−バネ
395B−バネ
396 −ホルダー
397A−第3支持部材
397B−第3支持部材
398A−加圧部材
398B−加圧部材
Claims (5)
- 光源から感光体に至る光路間に配置される光学素子であって前記光源から放射された光を前記感光体の所定の位置に照射されるように調整するための光学素子と、
前記光学素子の長手方向に沿う面のうちいずれか一方の面に対向して選択的に配置される押圧部材であって対向する前記面を押圧するための押圧部材と、
前記押圧部材を取り付けるために前記光学素子の長手方向に沿う面に対向して前記光学素子を挟んで両側に配置される取付部と、
前記押圧部材からの押圧力によって、前記光学素子の短手方向に前記光学素子が移動することを規制するための第1支持部材と、
前記光学素子を挟んで前記第1支持部材と反対側に配置された第2支持部材であって前記押圧部材からの押圧力によって、前記光学素子の短手方向に前記光学素子が移動することを規制するための第2支持部材と、
を備え、
前記第1支持部材の前記光学素子に対向する面と前記第2支持部材の前記光学素子に対向する面との間の距離は、前記光学素子の短手方向の距離よりも長く、
前記光学素子の長手方向に沿う面のうちいずれか一方の面と対向して配置される弾性部材であって、前記光学素子が前記押圧部材、前記第1支持部材または前記第2支持部材と接触するように前記光学素子を押圧する弾性部材を備える光走査装置。 - 前記光学素子の両端部において、前記光学素子の長手方向と前記押圧部材が前記面を押圧する押圧方向とに垂直な方向に平行な方向への移動を規制する第3支持部材を備える請求項1に記載の光走査装置。
- 前記光学素子、前記押圧部材、前記第1支持部材、前記第2支持部材、前記弾性部材および前記第3支持部材を一体的に保持するホルダーであって光走査装置本体から着脱可能なホルダーを備える請求項2に記載の光走査装置。
- 前記第1支持部材または前記第2支持部材と前記弾性部材とは、一体成型されており、ポリアセタールで構成される請求項1〜3のいずれか1項に記載の光走査装置。
- 感光体と、
前記感光体に向けて、画像情報に基づいて変調された走査線を照射する請求項1〜4のいずれか1項に記載の光走査装置と、
を備える画像形成装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010112109A JP5377406B2 (ja) | 2010-05-14 | 2010-05-14 | 光走査装置および画像形成装置 |
US13/102,121 US8553062B2 (en) | 2010-05-14 | 2011-05-06 | Optical scanner and image forming apparatus |
CN201110132662.0A CN102243372B (zh) | 2010-05-14 | 2011-05-13 | 光学扫描器以及图像形成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010112109A JP5377406B2 (ja) | 2010-05-14 | 2010-05-14 | 光走査装置および画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011242447A JP2011242447A (ja) | 2011-12-01 |
JP5377406B2 true JP5377406B2 (ja) | 2013-12-25 |
Family
ID=44911438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010112109A Active JP5377406B2 (ja) | 2010-05-14 | 2010-05-14 | 光走査装置および画像形成装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8553062B2 (ja) |
JP (1) | JP5377406B2 (ja) |
CN (1) | CN102243372B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101817700B1 (ko) * | 2011-12-05 | 2018-02-21 | 에스프린팅솔루션 주식회사 | 광 주사 장치 및 이를 채용한 칼라 화상형성장치 |
JP7558792B2 (ja) | 2020-12-18 | 2024-10-01 | 東芝テック株式会社 | 画像形成装置 |
EP4300159A1 (en) * | 2021-02-24 | 2024-01-03 | KYOCERA Document Solutions Inc. | Optical scanning device and image forming device |
Family Cites Families (30)
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JP2713625B2 (ja) * | 1989-02-02 | 1998-02-16 | 株式会社リコー | 画像形成装置 |
JPH03231715A (ja) * | 1990-02-08 | 1991-10-15 | Canon Inc | 光束走査装置及びそれに用いられる光学フレーム |
JPH04309916A (ja) * | 1991-04-08 | 1992-11-02 | Ricoh Co Ltd | 光学レンズ保持装置 |
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JP2002277792A (ja) * | 2001-03-16 | 2002-09-25 | Ricoh Co Ltd | 走査光学装置 |
JP2003149575A (ja) * | 2001-11-09 | 2003-05-21 | Pentax Corp | 走査光学系 |
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US6791595B1 (en) * | 2003-02-27 | 2004-09-14 | Xerox Corporation | Bow adjustment in an optical scanning system by adjusting the curvature of a cylindrical mirror |
US7684100B2 (en) | 2004-11-26 | 2010-03-23 | Ricoh Company, Ltd. | Optical-element holding device, method of adjusting shape of optical element, optical-element shape adjusting device, method of correcting scanning line variation, optical scanning device, and image forming apparatus |
JP4673056B2 (ja) | 2004-12-27 | 2011-04-20 | 株式会社リコー | 光走査装置・画像形成装置・走査線変化補正方法 |
JP4855693B2 (ja) * | 2005-02-21 | 2012-01-18 | 株式会社リコー | 光走査装置および画像形成装置 |
JP4646299B2 (ja) * | 2005-03-17 | 2011-03-09 | 株式会社リコー | 光走査装置および画像形成装置 |
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JP2006350065A (ja) * | 2005-06-17 | 2006-12-28 | Ricoh Co Ltd | 走査光学系、光走査装置および画像形成装置 |
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JP2007065500A (ja) | 2005-09-01 | 2007-03-15 | Ricoh Co Ltd | 光学素子の保持機構とこれを備えた光走査装置、画像形成装置 |
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-
2010
- 2010-05-14 JP JP2010112109A patent/JP5377406B2/ja active Active
-
2011
- 2011-05-06 US US13/102,121 patent/US8553062B2/en active Active
- 2011-05-13 CN CN201110132662.0A patent/CN102243372B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US8553062B2 (en) | 2013-10-08 |
CN102243372B (zh) | 2014-03-12 |
JP2011242447A (ja) | 2011-12-01 |
CN102243372A (zh) | 2011-11-16 |
US20110279624A1 (en) | 2011-11-17 |
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