JPS6445865U - - Google Patents
Info
- Publication number
- JPS6445865U JPS6445865U JP14002987U JP14002987U JPS6445865U JP S6445865 U JPS6445865 U JP S6445865U JP 14002987 U JP14002987 U JP 14002987U JP 14002987 U JP14002987 U JP 14002987U JP S6445865 U JPS6445865 U JP S6445865U
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- copy paper
- curl
- fixing
- angle
- 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 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は本考案が適用される複写システムの構
成を示す図式図、第２図は本考案に使用されるカ
ール量測定手段の側断面図、第３図は第２図中の
―線による断面図、第４図は第２図中の―
線による断面図、第５図は本考案の実施例の定
着装置及び定着入口ガイドの構成の一例を示す断
面図、第６図はその定着入口ガイド及びその駆動
装置の斜視図、第７図は定着入口ガイドの回動角
度の制御のフローチヤート、第８図は定着器に供
給される用紙の含水分量と定着によるカール量の
関係の一例を示す曲線図、第９図は複写紙がさら
される雰囲気の相対湿度と複写紙の含水分量の関
係を２種の紙について示す曲線図である。
４……熱ローラ定着装置、４５……定着入口ガ
イド板、４８……カム、５１……モータ（入口ガ
イド板角度変化手段）、１００……複写装置、２
００……カール量検知手段。
Fig. 1 is a schematic diagram showing the configuration of a copying system to which the present invention is applied, Fig. 2 is a side sectional view of the curl amount measuring means used in the present invention, and Fig. 3 is indicated by the - line in Fig. 2. The cross-sectional view, Figure 4, is shown in Figure 2.
5 is a sectional view showing an example of the structure of the fixing device and the fixing entrance guide according to the embodiment of the present invention, FIG. 6 is a perspective view of the fixing entrance guide and its driving device, and FIG. 7 is a sectional view taken along the line. A flowchart for controlling the rotation angle of the fixing entrance guide, FIG. 8 is a curve diagram showing an example of the relationship between the moisture content of the paper supplied to the fixing device and the amount of curl due to fixing, and FIG. 9 is a curve diagram showing the relationship between the amount of curling caused by the fixing and the exposure of the copy paper FIG. 2 is a curve diagram showing the relationship between the relative humidity of the atmosphere and the moisture content of copy paper for two types of paper. 4... Heat roller fixing device, 45... Fixing entrance guide plate, 48... Cam, 51... Motor (entrance guide plate angle changing means), 100... Copying device, 2
00... Curl amount detection means.
Claims (1)
測定する手段と、熱ローラ定着装置入口ガイド板
の案内面の複写紙搬送方向に対する角度を該ガイ
ド板の幅方向の一部又は全部にわたつて変化させ
る手段と、上記カール量測定手段による測定値に
応じて上記定着入口ガイド板の案内面の角度を変
化させる如く制御する制御手段とを有することを
特徴とする複写装置。 In the copy paper conveyance path, there is a means for measuring the amount of curl of the copy paper, and an angle of the guide surface of the guide plate at the entrance of the heat roller fixing device to the copy paper conveyance direction over a part or all of the width direction of the guide plate. and control means for controlling the angle of the guide surface of the fixing entrance guide plate to be changed in accordance with the measured value by the curl amount measuring means.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14002987U JPS6445865U (en) | 1987-09-16 | 1987-09-16 | |
| US07/196,482 US4926358A (en) | 1987-05-20 | 1988-05-20 | System for controlling curls of a paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14002987U JPS6445865U (en) | 1987-09-16 | 1987-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445865U true JPS6445865U (en) | 1989-03-20 |
Family
ID=31403827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14002987U Pending JPS6445865U (en) | 1987-05-20 | 1987-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445865U (en) |
-
1987
- 1987-09-16 JP JP14002987U patent/JPS6445865U/ja active Pending