JPS60189059U - Heat fixing device - Google Patents
Heat fixing deviceInfo
- Publication number
- JPS60189059U JPS60189059U JP7752584U JP7752584U JPS60189059U JP S60189059 U JPS60189059 U JP S60189059U JP 7752584 U JP7752584 U JP 7752584U JP 7752584 U JP7752584 U JP 7752584U JP S60189059 U JPS60189059 U JP S60189059U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- heat fixing
- heating roller
- discolored portion
- roller
- 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
Landscapes
- Fixing For Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を示す定着装置の側面図であ′
す、第２図、第３図は従来の温度検知装置の概略構成図
である。
８・・・加熱定着ローラー、１９・・・変色部、２０・
・・フォトセンサー。FIG. 1 is a side view of a fixing device showing an embodiment of the present invention.
2 and 3 are schematic configuration diagrams of a conventional temperature detection device. 8... Heat fixing roller, 19... Discoloration part, 20...
・Photo sensor.
Claims (1)
ローラーとを有味両ローラー間に未定着のトナー像が形
成された記録紙を通過させて定着を行なう加熱定着装置
において、前記加熱ローラ表面に温度変化により変色す
る変色部を形成し、該変色部の変色をフォトセンサーに
よって検知することを特徴とする加熱定着装置。In a heat fixing device that performs fixing by passing a recording paper on which an unfixed toner image is formed between a heating roller and a pressure roller that rotates in pressure contact with the heating roller, the surface of the heating roller is fixed. A heat fixing device characterized in that a discolored portion that changes color due to a temperature change is formed in the fixing device, and a photosensor detects the discoloration of the discolored portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7752584U JPS60189059U (en) | 1984-05-25 | 1984-05-25 | Heat fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7752584U JPS60189059U (en) | 1984-05-25 | 1984-05-25 | Heat fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60189059U true JPS60189059U (en) | 1985-12-14 |
Family
ID=30620668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7752584U Pending JPS60189059U (en) | 1984-05-25 | 1984-05-25 | Heat fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60189059U (en) |
-
1984
- 1984-05-25 JP JP7752584U patent/JPS60189059U/en active Pending
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