JPH03119854U - - Google Patents
Info
- Publication number
- JPH03119854U JPH03119854U JP2806490U JP2806490U JPH03119854U JP H03119854 U JPH03119854 U JP H03119854U JP 2806490 U JP2806490 U JP 2806490U JP 2806490 U JP2806490 U JP 2806490U JP H03119854 U JPH03119854 U JP H03119854U
- Authority
- JP
- Japan
- Prior art keywords
- variable speed
- leading edge
- transfer
- transfer paper
- image forming
- 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.)
- Pending
Links
- 238000003708 edge detection Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Controlling Sheets Or Webs (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Registering Or Overturning Sheets (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
第１図はこの考案の実施例を示すブロツク図、
第２図は給紙ローラから転写チヤージヤまでの配
置模式図、第３図は転写紙先端軌跡を示す特性図
、第４図は上記実施例の動作を示すタイムチヤー
ト、第５図はレーザプリンタの給紙装置と転写装
置の部分を示す構成図である。
６……転写紙、９……レジストローラ、１１…
…先端検出センサ、１２……転写チヤージヤ、１
３……可変速算出手段、１４……メモリ、１５…
…ステツピングモータ、１６……駆動部。
Figure 1 is a block diagram showing an embodiment of this invention.
Fig. 2 is a schematic diagram of the arrangement from the paper feed roller to the transfer charger, Fig. 3 is a characteristic diagram showing the trajectory of the leading edge of the transfer paper, Fig. 4 is a time chart showing the operation of the above embodiment, and Fig. 5 is a diagram of the laser printer. FIG. 3 is a configuration diagram showing parts of a paper feeding device and a transfer device. 6... Transfer paper, 9... Registration roller, 11...
...Tip detection sensor, 12...Transfer charger, 1
3...Variable speed calculation means, 14...Memory, 15...
...Stepping motor, 16... Drive unit.
Claims (1)
成された画像を転写装置により転写する画像形成
装置において、 給紙装置と転写装置との間に設けられ、転写紙
の先端を検出する先端検出手段と、 先端検出手段の設置位置とあらかじめ定められ
た位置合せ位置との距離と、あらかじめ定められ
た位置合せタイミング時間とプリント開始から先
端検出手段で転写紙を検出した時間との差から可
変速度を算出する可変速算出手段と、 可変速算出手段で算出した可変速度で転写紙を
搬送する可変速搬送手段と、 を備えたことを特徴とする画像形成装置。[Scope of Claim for Utility Model Registration] In an image forming device that transfers an image formed on a photoreceptor to a transfer paper conveyed from a paper feeding device by a transfer device, an image forming apparatus provided between the paper feeding device and the transfer device, The leading edge detection means detects the leading edge of the transfer paper, the distance between the installation position of the leading edge detection means and a predetermined positioning position, the predetermined positioning timing time, and the positioning of the transfer paper by the leading edge detection means from the start of printing. An image forming apparatus comprising: variable speed calculation means for calculating a variable speed from the difference between the detected time and the variable speed calculation means; and variable speed transport means for transporting transfer paper at the variable speed calculated by the variable speed calculation means. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2806490U JPH03119854U (en) | 1990-03-19 | 1990-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2806490U JPH03119854U (en) | 1990-03-19 | 1990-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119854U true JPH03119854U (en) | 1991-12-10 |
Family
ID=31530888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2806490U Pending JPH03119854U (en) | 1990-03-19 | 1990-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119854U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006503779A (en) * | 2002-10-28 | 2006-02-02 | オーセ プリンティング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Control method and control apparatus for electrographic printing machine or copying machine |
| JP2007062988A (en) * | 2005-09-01 | 2007-03-15 | Canon Inc | Sheet carrying device and image forming device |
| JP2014035379A (en) * | 2012-08-07 | 2014-02-24 | Canon Inc | Image forming device |
| JP2015196547A (en) * | 2014-03-31 | 2015-11-09 | キヤノン株式会社 | image forming apparatus |
| JP2019073395A (en) * | 2019-01-07 | 2019-05-16 | キヤノン株式会社 | Image forming device |
| JP2019181721A (en) * | 2018-04-04 | 2019-10-24 | 富士ゼロックス株式会社 | Conveyance control device |
| JP2020148904A (en) * | 2019-03-13 | 2020-09-17 | キヤノン株式会社 | Image formation device |
-
1990
- 1990-03-19 JP JP2806490U patent/JPH03119854U/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006503779A (en) * | 2002-10-28 | 2006-02-02 | オーセ プリンティング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Control method and control apparatus for electrographic printing machine or copying machine |
| JP4681299B2 (en) * | 2002-10-28 | 2011-05-11 | オーセ プリンティング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Control method of printing machine or copying machine, and printing machine or copying machine |
| JP2007062988A (en) * | 2005-09-01 | 2007-03-15 | Canon Inc | Sheet carrying device and image forming device |
| JP2014035379A (en) * | 2012-08-07 | 2014-02-24 | Canon Inc | Image forming device |
| JP2015196547A (en) * | 2014-03-31 | 2015-11-09 | キヤノン株式会社 | image forming apparatus |
| JP2019181721A (en) * | 2018-04-04 | 2019-10-24 | 富士ゼロックス株式会社 | Conveyance control device |
| JP2019073395A (en) * | 2019-01-07 | 2019-05-16 | キヤノン株式会社 | Image forming device |
| JP2020148904A (en) * | 2019-03-13 | 2020-09-17 | キヤノン株式会社 | Image formation device |
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