JPH0241271U - - Google Patents
Info
- Publication number
- JPH0241271U JPH0241271U JP12035488U JP12035488U JPH0241271U JP H0241271 U JPH0241271 U JP H0241271U JP 12035488 U JP12035488 U JP 12035488U JP 12035488 U JP12035488 U JP 12035488U JP H0241271 U JPH0241271 U JP H0241271U
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- forming apparatus
- paper
- rolls
- fixing
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
- Paper Feeding For Electrophotography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Description
第1図aは本考案の画像形成装置の検出部近傍
を示す図、第1図bは半導体圧力センサの検出回
路を示す図、第1図cは圧電センサの検出回路を
示す図、第2図は画像形成装置の構成図、第3図
は検出装置にフオトインタラプタを用いた図、第
4図はフオトインタラプタ使用時の回路を示す図
、第5図は各センサを用いた場合の検出タイミン
グを示す図、第6図は用紙の撓みと荷重測定の模
式図、第7図は用紙の撓み強度による荷重と撓み
との関係を示す図、第8図a,bはカール矯正装
置を示す図、第9図は排紙ロール対の移動機構の
一例を示した図、第10図は排紙方向切換機構を
示す図、第11図は定着器の構成を示す図、第1
2図は従来の矯正装置を示す図である。
11……給紙カセツト、12……給紙コロ、1
3a,13b……搬送ローラ、18……押し上げ
板、19……サバキ板、20,21……ターンガ
イド、22……押圧部材、23……用紙検出装置
、P……用紙。
FIG. 1a is a diagram showing the vicinity of the detection section of the image forming apparatus of the present invention, FIG. 1b is a diagram showing a detection circuit of a semiconductor pressure sensor, FIG. 1c is a diagram showing a detection circuit of a piezoelectric sensor, and FIG. The figure is a configuration diagram of the image forming apparatus, Figure 3 is a diagram using a photo interrupter as the detection device, Figure 4 is a diagram showing the circuit when using the photo interrupter, and Figure 5 is the detection timing when using each sensor. , FIG. 6 is a schematic diagram of paper deflection and load measurement, FIG. 7 is a diagram showing the relationship between load and deflection depending on the deflection strength of paper, and FIGS. 8 a and b are diagrams showing a curl correction device. , FIG. 9 is a diagram showing an example of a moving mechanism for a pair of paper discharge rolls, FIG. 10 is a diagram showing a paper discharge direction switching mechanism, FIG. 11 is a diagram showing the structure of a fixing device, and FIG.
FIG. 2 is a diagram showing a conventional correction device. 11...Paper feed cassette, 12...Paper feed roller, 1
3a, 13b...Conveyance roller, 18...Pushing plate, 19...Sabaki plate, 20, 21...Turn guide, 22...Press member, 23...Paper detection device, P...Paper.
Claims (1)
と、該定着ロール近傍に配設され前記定着ロール
を通過した用紙を更に挾持搬送する一対の搬送ロ
ールと、排紙トレイとを備えた画像形成装置にお
いて、 用紙の撓み強度を検知する検知手段と、前記定
着ロールと搬送ロールのそれぞれの挾持部中心を
結ぶ仮想平面の前記画像形成装置本体に対する角
度を異ならせる角度変更機構とを設け、前記検知
手段の検知情報に基づいて前記角度変更機構を作
動させることを特徴とする画像形成装置。[Claims for Utility Model Registration] A pair of fixing rolls, at least one of which is heated, a pair of transport rolls that are disposed near the fixing rolls and further pinch and transport the paper that has passed through the fixing rolls, and a paper output tray. In the image forming apparatus, the image forming apparatus includes: a detection means for detecting the bending strength of the paper; and an angle changing mechanism for changing the angle of a virtual plane connecting the centers of the gripping portions of the fixing roll and the conveyance roll with respect to the image forming apparatus main body. An image forming apparatus characterized in that the angle changing mechanism is operated based on detection information of the detection means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12035488U JPH0241271U (en) | 1988-09-13 | 1988-09-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12035488U JPH0241271U (en) | 1988-09-13 | 1988-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0241271U true JPH0241271U (en) | 1990-03-22 |
Family
ID=31366388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12035488U Pending JPH0241271U (en) | 1988-09-13 | 1988-09-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0241271U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016031383A (en) * | 2014-07-25 | 2016-03-07 | コニカミノルタ株式会社 | Image forming apparatus |
-
1988
- 1988-09-13 JP JP12035488U patent/JPH0241271U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016031383A (en) * | 2014-07-25 | 2016-03-07 | コニカミノルタ株式会社 | Image forming apparatus |