JP2009063650A5 - - Google Patents
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- Publication number
- JP2009063650A5 JP2009063650A5 JP2007229175A JP2007229175A JP2009063650A5 JP 2009063650 A5 JP2009063650 A5 JP 2009063650A5 JP 2007229175 A JP2007229175 A JP 2007229175A JP 2007229175 A JP2007229175 A JP 2007229175A JP 2009063650 A5 JP2009063650 A5 JP 2009063650A5
- Authority
- JP
- Japan
- Prior art keywords
- temperature detection
- width direction
- sheet
- discharge tray
- forming apparatus
- 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
Links
- 238000001514 detection method Methods 0.000 claims 8
- 230000003287 optical Effects 0.000 claims 4
- 230000001678 irradiating Effects 0.000 claims 1
Claims (4)
前記感光体上にレーザ光を照射し、前記感光体上に潜像を形成する光学ユニットと、
前記感光体上の潜像を現像して形成された画像が定着されたシートを積載する排出トレイと、
を有する画像形成装置において、
前記光学ユニットと前記排出トレイとの間に配置された第一温度検出手段と、
前記第一温度検出手段よりも前記排出トレイから離れた位置に配置された第二温度検出手段と、
前記第一温度検出手段及び前記第二温度検出手段の出力に基づいて前記レーザ光の照射位置の変動による色ずれを抑えるようレーザ光の照射位置を制御する色ずれ制御手段と、を有することを特徴とする画像形成装置。 A photoreceptor,
An optical unit that irradiates the photosensitive member with laser light and forms a latent image on the photosensitive member;
A discharge tray on which a sheet on which an image formed by developing a latent image on the photoreceptor is fixed;
In an image forming apparatus having
First temperature detecting means disposed between the optical unit and the discharge tray;
Second temperature detection means disposed at a position farther from the discharge tray than the first temperature detection means;
Color misregistration control means for controlling the laser light irradiation position so as to suppress color misregistration due to fluctuations in the laser light irradiation position based on the outputs of the first temperature detection means and the second temperature detection means. A featured image forming apparatus .
前記第一温度検出手段は、前記幅方向に関して前記排出トレイの中央よりも、前記エアフローの下流側に配置されることを特徴とする請求項１又は２に記載の画像形成装置。 Between the discharge tray and the optical unit, an air flow that flows substantially parallel to the width direction of the sheet discharged to the discharge tray ;
3. The image forming apparatus according to claim 1, wherein the first temperature detection unit is arranged on the downstream side of the airflow with respect to the width direction with respect to the center of the discharge tray.
前記第一温度検出手段は、前記幅方向に関して、前記幅方向の長さがＷ１のシートが積載される位置よりも外側で、且つ前記幅方向の長さがＷ２のシートが積載される位置よりも内側に配置されることを特徴とする請求項１又は２に記載の画像形成装置。 The image forming apparatus is capable of forming an image from a sheet having a length in the width direction W1 to a sheet having W2 (W2> W1).
The first temperature detection means is located outside the position where the sheet having the length in the width direction W1 is stacked with respect to the width direction and from the position where the sheet having the length in the width direction is W2. the image forming apparatus according to claim 1 or 2, characterized in that also arranged on the inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007229175A JP5188125B2 (en) | 2007-09-04 | 2007-09-04 | Image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007229175A JP5188125B2 (en) | 2007-09-04 | 2007-09-04 | Image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009063650A JP2009063650A (en) | 2009-03-26 |
| JP2009063650A5 true JP2009063650A5 (en) | 2010-10-21 |
| JP5188125B2 JP5188125B2 (en) | 2013-04-24 |
Family
ID=40558299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007229175A Active JP5188125B2 (en) | 2007-09-04 | 2007-09-04 | Image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5188125B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012189897A (en) * | 2011-03-11 | 2012-10-04 | Ricoh Co Ltd | Image forming apparatus and image forming method, and program |
| JP5490061B2 (en) | 2011-07-12 | 2014-05-14 | シャープ株式会社 | Registration method for image forming apparatus and image forming apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3036400B2 (en) * | 1995-04-15 | 2000-04-24 | 富士ゼロックス株式会社 | Image forming apparatus and image color shift adjustment method thereof |
| JPH08305108A (en) * | 1995-04-28 | 1996-11-22 | Canon Inc | Image forming device and registration correcting method thereof |
| JP2003140534A (en) * | 2001-11-08 | 2003-05-16 | Canon Inc | Image forming device |
| JP2003302875A (en) * | 2002-04-09 | 2003-10-24 | Canon Inc | Image forming device |
| JP2004086092A (en) * | 2002-08-29 | 2004-03-18 | Ricoh Co Ltd | Printer device |
| JP2004309950A (en) * | 2003-04-10 | 2004-11-04 | Konica Minolta Business Technologies Inc | Image forming apparatus |
| JP2004330585A (en) * | 2003-05-07 | 2004-11-25 | Canon Inc | Image forming apparatus |
| JP4387701B2 (en) * | 2003-06-23 | 2009-12-24 | キヤノン株式会社 | Image forming apparatus |
-
2007
- 2007-09-04 JP JP2007229175A patent/JP5188125B2/en active Active
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