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
Application number
JP15062984U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15062984U priority Critical patent/JPS6166378U/ja
Publication of JPS6166378U publication Critical patent/JPS6166378U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 1 記録紙を挾持しつつこの記録紙上のトナー像
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.
JP15062984U 1984-10-04 1984-10-04 Pending JPS6166378U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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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