JP5081262B2 - 画像形成装置 - Google Patents
画像形成装置 Download PDFInfo
- Publication number
- JP5081262B2 JP5081262B2 JP2010041941A JP2010041941A JP5081262B2 JP 5081262 B2 JP5081262 B2 JP 5081262B2 JP 2010041941 A JP2010041941 A JP 2010041941A JP 2010041941 A JP2010041941 A JP 2010041941A JP 5081262 B2 JP5081262 B2 JP 5081262B2
- Authority
- JP
- Japan
- Prior art keywords
- cover door
- pressing
- photosensitive drum
- intermediate transfer
- unit
- 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
-
- 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
- G03G21/1671—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 photosensitive element
-
- 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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1605—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support
-
- 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
-
- 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
- G03G21/1676—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 developer unit
-
- 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
-
- 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
- G03G2215/019—Structural features of the multicolour image forming apparatus
- G03G2215/0193—Structural features of the multicolour image forming apparatus transfer member separable from recording member
-
- 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
- G03G2221/163—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the developer 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
- G03G2221/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the transfer 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
-
- 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
- G03G2221/1684—Frame structures using extractable subframes, e.g. on rails or hinges
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
2…装置本体
3…第1カバー扉
4…第2カバー扉
5…感光体ユニット
6…現像ユニット
7…中間転写ユニット
8…一次転写ローラ
10…中間転写ベルト
15…感光体ドラム
41…押圧解除機構
42…押圧部材
43…解除部材
44…押圧軸
45…押圧レバー
54…スライダ
Claims (4)
- トナー像が形成される感光体ドラムを有した感光体ユニットと、前記感光体ドラムにトナーを供給する現像ユニットと、前記感光体ドラム上のトナー像が転写される中間転写ベルト及び中間転写ベルトを前記感光体ドラムに押圧する一次転写ローラを有した中間転写ユニットとが装置本体に備えられ、前記感光体ユニット又は現像ユニットが前記感光体ドラムの軸方向に沿って装置本体から引き出し可能であり、前記中間転写ユニットが前記中間転写ベルトの移動方向に沿って装置本体から引き出し可能となっている画像形成装置において、
前記感光体ユニット、現像ユニット又は中間転写ユニットのいずれかの引き出し時に必要な動作に連動して前記一次転写ローラの感光体ドラムへの押圧を解除する押圧解除機構が設けられ、前記装置本体は、前記感光体ユニット又は現像ユニットの引き出し時に開放される開閉可能な第1カバー扉と、前記中間転写ユニットの引き出し時に開放される開閉可能な第2カバー扉とを備え、前記押圧解除機構は、前記一次転写ローラを感光体ドラムに押圧する押圧部材と、前記第1カバー扉又は第2カバー扉の開放に伴って前記押圧部材による押圧を解除する解除部材とを備え、前記押圧部材は、前記第1カバー扉の方向に移動可能に付勢された押圧軸と、前記一次転写ローラに対して接離移動可能に前記押圧軸に連結され、一次転写ローラへの当接によって一次転写ローラを前記感光体ドラムに押圧する押圧レバーとを備え、前記解除部材は、前記押圧軸と前記第1カバー扉との間に設けられた状態で前記中間転写ベルトの移動方向にスライド可能なスライダを備え、前記スライダに前記第1カバー扉が係合する凹凸部が形成され、前記凸部が第1カバー扉と係合したとき押圧軸の移動を停止し、前記凹部が第1カバー扉と係合したとき前記押圧軸の第1カバー扉方向への移動を許容し、この移動によって前記押圧レバーが一次転写ローラとの当接から離れることを特徴とする画像形成装置。 - 前記押圧解除機構は、前記第1カバー扉又は第2カバー扉のいずれかの閉鎖に連動して前記一次転写ローラを感光体ドラムへの押圧状態とすることを特徴とする請求項1記載の画像形成装置。
- 前記スライダのスライドは、前記第2カバー扉の開閉と連動して行われることを特徴とする請求項1又は2記載の画像形成装置。
- 前記スライダのスライドは、前記第2カバー扉の開閉と独立した手動によって行われることを特徴とする請求項1〜3のいずれか1項記載の画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010041941A JP5081262B2 (ja) | 2010-02-26 | 2010-02-26 | 画像形成装置 |
US13/033,997 US8503909B2 (en) | 2010-02-26 | 2011-02-24 | Image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010041941A JP5081262B2 (ja) | 2010-02-26 | 2010-02-26 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011180215A JP2011180215A (ja) | 2011-09-15 |
JP5081262B2 true JP5081262B2 (ja) | 2012-11-28 |
Family
ID=44505328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010041941A Expired - Fee Related JP5081262B2 (ja) | 2010-02-26 | 2010-02-26 | 画像形成装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8503909B2 (ja) |
JP (1) | JP5081262B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6094441B2 (ja) * | 2013-09-30 | 2017-03-15 | ブラザー工業株式会社 | 画像形成装置 |
JP6261288B2 (ja) | 2013-11-05 | 2018-01-17 | キヤノン株式会社 | 画像形成装置 |
US9977375B2 (en) * | 2015-04-06 | 2018-05-22 | Kyocera Document Solutions Inc. | Image forming device |
US10754289B2 (en) | 2018-03-30 | 2020-08-25 | Brother Kogyo Kabushiki Kaisha | Drawer including photosensitive drum and frame, and image forming apparatus provided with the same |
CN113835319B (zh) * | 2020-06-24 | 2024-04-23 | 佳能株式会社 | 成像设备 |
JP2022131519A (ja) * | 2021-02-26 | 2022-09-07 | キヤノン株式会社 | 画像形成装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3120944B2 (ja) * | 1993-11-16 | 2000-12-25 | 京セラミタ株式会社 | 画像形成装置 |
JPH07302007A (ja) * | 1994-04-28 | 1995-11-14 | Canon Inc | 画像形成装置 |
JP4070939B2 (ja) * | 2000-06-13 | 2008-04-02 | コニカミノルタビジネステクノロジーズ株式会社 | 画像形成装置 |
JP3545349B2 (ja) | 2001-01-23 | 2004-07-21 | シャープ株式会社 | 画像形成装置 |
JP4223264B2 (ja) * | 2002-10-30 | 2009-02-12 | シャープ株式会社 | 離接機構および画像形成装置 |
JP2006220993A (ja) | 2005-02-10 | 2006-08-24 | Canon Inc | 画像形成装置 |
JP2006235347A (ja) | 2005-02-25 | 2006-09-07 | Matsushita Electric Ind Co Ltd | 画像形成装置 |
JP2007219266A (ja) * | 2006-02-17 | 2007-08-30 | Canon Inc | カートリッジおよびそれを備えた電子写真画像形成装置 |
JP4466721B2 (ja) * | 2007-11-14 | 2010-05-26 | 富士ゼロックス株式会社 | 画像形成装置 |
-
2010
- 2010-02-26 JP JP2010041941A patent/JP5081262B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-24 US US13/033,997 patent/US8503909B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110211862A1 (en) | 2011-09-01 |
JP2011180215A (ja) | 2011-09-15 |
US8503909B2 (en) | 2013-08-06 |
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