JPH0362037U - - Google Patents
Info
- Publication number
- JPH0362037U JPH0362037U JP9216289U JP9216289U JPH0362037U JP H0362037 U JPH0362037 U JP H0362037U JP 9216289 U JP9216289 U JP 9216289U JP 9216289 U JP9216289 U JP 9216289U JP H0362037 U JPH0362037 U JP H0362037U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- image forming
- paper storage
- sheets
- 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
- 238000010586 diagram Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
第１図は本考案に係る画像形成装置の全体略説
明断面図、第２図は変形例の全体断面図、第３図
は制御部のブロツク図、第４図は制御フローチヤ
ートである。
１……複写機本体、２……台、３……第１給紙
トレイ（用紙収納部）、４……第２給紙トレイ（
用紙収納部）、５，５′……第３給紙トレイ（用
紙収納部）、６……第４給紙トレイ（用紙収納部
）、７……第５給紙トレイ（用紙収納部）、１８
……感光体（画像形成手段）。
FIG. 1 is a schematic sectional view of an image forming apparatus according to the present invention, FIG. 2 is a sectional view of a modified example, FIG. 3 is a block diagram of a control section, and FIG. 4 is a control flowchart. 1... Copying machine main body, 2... Stand, 3... First paper feed tray (paper storage section), 4... Second paper feed tray (
5, 5'...Third paper feed tray (paper storage), 6...Fourth paper feed tray (paper storage), 7...Fifth paper tray (paper storage), 18
...Photoreceptor (image forming means).
Claims (1)
とを備え、選択手段よりの指示により用紙を給紙
する用紙収納部を切換可能な画像形成装置の給紙
装置において、 夫々の用紙収納部から画像形成位置までの搬送
距離を記憶し、複数の用紙収納部に同一サイズの
用紙があることを検知している場合に、切換基準
枚数を設定する比較カウンタの値ｎと画像形成枚
数とを比較し、該画像形成枚数が前記比較カウン
タに設定された枚数ｎ以下の際には前記選択手段
の切換作動により搬送距離の短い用紙収納部より
給紙し、前記画像形成枚数がｎ枚以上の連続画像
形成の際には前記選択手段の切換作動により搬送
距離の長い用紙収納部より給紙することを特徴と
する画像形成装置の給紙装置。 (2) 前記比較カウンタには設定数を変更する手
段が設けられていることを特徴とする請求項１に
記載の画像形成装置の給紙装置。[Claims for Utility Model Registration] (1) An image forming apparatus that is equipped with a plurality of paper storage units and a paper storage unit selection means, and is capable of switching the paper storage unit from which paper is fed based on an instruction from the selection unit. In paper devices, a comparison counter that stores the transport distance from each paper storage section to the image forming position and sets the standard number of sheets for switching when it is detected that there are sheets of the same size in multiple paper storage sections. compares the value n of image forming sheets with the number of image forming sheets, and when the number of image forming sheets is less than the number n set in the comparison counter, feeding the paper from a paper storage section having a short conveyance distance by switching operation of the selection means, A paper feeding device for an image forming apparatus, characterized in that when the number of images to be formed is n or more, the paper is fed from a paper storage section having a long conveyance distance by a switching operation of the selection means. (2) The paper feeding device for an image forming apparatus according to claim 1, wherein the comparison counter is provided with means for changing a set number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9216289U JPH0743072Y2 (en) | 1989-06-23 | 1989-08-07 | Paper feeding device of image forming apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1-72998 | 1989-06-23 | ||
| JP7299889 | 1989-06-23 | ||
| JP9216289U JPH0743072Y2 (en) | 1989-06-23 | 1989-08-07 | Paper feeding device of image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0362037U true JPH0362037U (en) | 1991-06-18 |
| JPH0743072Y2 JPH0743072Y2 (en) | 1995-10-04 |
Family
ID=31718442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9216289U Expired - Lifetime JPH0743072Y2 (en) | 1989-06-23 | 1989-08-07 | Paper feeding device of image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743072Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007112632A (en) * | 2007-02-07 | 2007-05-10 | Canon Inc | Printing system and control method thereof |
-
1989
- 1989-08-07 JP JP9216289U patent/JPH0743072Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743072Y2 (en) | 1995-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |