JPS6166378U - - Google Patents
Info
- Publication number
- JPS6166378U JPS6166378U JP15062984U JP15062984U JPS6166378U JP S6166378 U JPS6166378 U JP S6166378U JP 15062984 U JP15062984 U JP 15062984U JP 15062984 U JP15062984 U JP 15062984U JP S6166378 U JPS6166378 U JP S6166378U
- Authority
- JP
- Japan
- Prior art keywords
- recording paper
- temperature
- color
- heater
- signal
- 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
- 238000013459 approach Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
図面はいずれも本考案の一実施例を示し、第１
図は斜視図、第２図は要部側面図、第３図は制御
回路図である。
１…加熱ローラ、２…ヒータ、３…加圧ローラ
、７…ラベル（温度によつて色が変化する部材）
、８…フオトセンサ、１０…ハロゲンランプ。
Each of the drawings shows an embodiment of the present invention.
The figure is a perspective view, FIG. 2 is a side view of essential parts, and FIG. 3 is a control circuit diagram. 1... Heat roller, 2... Heater, 3... Pressure roller, 7... Label (member whose color changes depending on temperature)
, 8...Photo sensor, 10...Halogen lamp.
Claims (1)
を加熱定着するための、少なくとも一方にヒータ
が内装されている１対の相互に圧接されるローラ
対と、このローラ対表面の前記記録紙との非接触
部分に装着されており、温度によつて色が変化す
る部材と、この部材の色変化を検知しこの色が一
定以上変化した場合に信号を出力する手段と、前
記信号によつて前記ヒータへの通電を遮断する手
段とが具備されているトナー定着装置。 ２ 温度によつて色が変化する部材は、高温にな
ると黒に近ずく部材である実用新案登録請求の範
囲第１項記載のトナー定着装置。[Claims for Utility Model Registration] 1. A pair of rollers in pressure contact with each other, at least one of which is equipped with a heater, for heating and fixing the toner image on the recording paper while holding the recording paper; It is attached to the non-contact part of the roller pair surface with the recording paper, and detects the color change of this member and the member that changes color depending on the temperature, and outputs a signal when this color changes more than a certain level. and means for cutting off power to the heater in response to the signal. 2. The toner fixing device according to claim 1, wherein the member whose color changes depending on temperature is a member that approaches black when the temperature increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15062984U JPS6166378U (en) | 1984-10-04 | 1984-10-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15062984U JPS6166378U (en) | 1984-10-04 | 1984-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6166378U true JPS6166378U (en) | 1986-05-07 |
Family
ID=30708772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15062984U Pending JPS6166378U (en) | 1984-10-04 | 1984-10-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6166378U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5044839A (en) * | 1973-07-25 | 1975-04-22 | ||
| JPS5569177A (en) * | 1978-11-17 | 1980-05-24 | Matsushita Graphic Commun Syst Inc | Temperature control system of heat-fixing apparatus |
| JPS57155575A (en) * | 1981-03-19 | 1982-09-25 | Hitachi Koki Co Ltd | Controller for heat roll temperature of electrophotographic printer |
-
1984
- 1984-10-04 JP JP15062984U patent/JPS6166378U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5044839A (en) * | 1973-07-25 | 1975-04-22 | ||
| JPS5569177A (en) * | 1978-11-17 | 1980-05-24 | Matsushita Graphic Commun Syst Inc | Temperature control system of heat-fixing apparatus |
| JPS57155575A (en) * | 1981-03-19 | 1982-09-25 | Hitachi Koki Co Ltd | Controller for heat roll temperature of electrophotographic printer |
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