JPH0412436U - - Google Patents
Info
- Publication number
- JPH0412436U JPH0412436U JP5387490U JP5387490U JPH0412436U JP H0412436 U JPH0412436 U JP H0412436U JP 5387490 U JP5387490 U JP 5387490U JP 5387490 U JP5387490 U JP 5387490U JP H0412436 U JPH0412436 U JP H0412436U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- image forming
- forming apparatus
- transfer paper
- height sensor
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
第１図ないし第４図は本考案による画像形成装
置の給紙装置の一実施例を示す図であり、第１図
はレーザプリンタの概略構成図であり、第２図は
第１図部の拡大部、第３図は給紙トレイの斜視
図、第４図はモータ駆動回路図である。
１……レーザプリンタ（画像形成装置）、２…
…転写紙、３……給紙トレイ（給紙装置）、２０
……紙高さセンサ、２７……駆動装置（駆動手段
）、３４……マイクロコンピユータ（制御手段）
。
1 to 4 are diagrams showing one embodiment of a paper feeding device of an image forming apparatus according to the present invention, FIG. 1 is a schematic configuration diagram of a laser printer, and FIG. The enlarged portion, FIG. 3 is a perspective view of the paper feed tray, and FIG. 4 is a motor drive circuit diagram. 1... Laser printer (image forming device), 2...
...Transfer paper, 3...Paper feed tray (paper feed device), 20
... Paper height sensor, 27 ... Drive device (driving means), 34 ... Microcomputer (control means)
.
Claims (1)
において、積層してセツトされた転写紙の高さ位
置を検知する紙高さセンサと、前記転写紙を昇降
する駆動手段と、前記画像形成装置のＣＰＵのリ
セツトや電源オン時に、前記紙高さセンサの動作
状態に応じて当該紙高さセンサの動作が少なくと
も１回以上変化するよう前記駆動手段を駆動した
後転写紙を所定の給紙位置に移動制御させる制御
手段と、を備えたことを特徴とする画像形成装置
の給紙装置。 A paper feeding device that sequentially feeds transfer paper to an image forming apparatus includes a paper height sensor that detects the height position of stacked transfer paper, a driving means for raising and lowering the transfer paper, and the image forming apparatus. When the CPU of the apparatus is reset or the power is turned on, the driving means is driven so that the operation of the paper height sensor changes at least once according to the operating state of the paper height sensor, and then the transfer paper is fed into a predetermined direction. 1. A paper feeding device for an image forming apparatus, comprising: a control means for controlling movement to a certain position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5387490U JPH0412436U (en) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5387490U JPH0412436U (en) | 1990-05-23 | 1990-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412436U true JPH0412436U (en) | 1992-01-31 |
Family
ID=31575438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5387490U Pending JPH0412436U (en) | 1990-05-23 | 1990-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412436U (en) |
-
1990
- 1990-05-23 JP JP5387490U patent/JPH0412436U/ja active Pending