JPH0363168U - - Google Patents
Info
- Publication number
- JPH0363168U JPH0363168U JP12418889U JP12418889U JPH0363168U JP H0363168 U JPH0363168 U JP H0363168U JP 12418889 U JP12418889 U JP 12418889U JP 12418889 U JP12418889 U JP 12418889U JP H0363168 U JPH0363168 U JP H0363168U
- Authority
- JP
- Japan
- Prior art keywords
- color
- roller
- pressure
- fixing roller
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図はこの考案の実施例を示すブロツク図、
第２図は上記実施例の光センサを示す構成図、第
３図は定着装置を示す構成図である。
１……定着ローラ、２……ヒータ、３……加圧
ローラ、８，８ａ……撮像入力部、１０，１０ａ
……光フアイバ、１１……色識別手段、１５……
色比較手段、１６……メモリ、１７……表示手段
、１８……システム駆動手段、１９……ヒータ制
御手段。
Figure 1 is a block diagram showing an embodiment of this invention.
FIG. 2 is a block diagram showing the optical sensor of the above embodiment, and FIG. 3 is a block diagram showing the fixing device. 1... Fixing roller, 2... Heater, 3... Pressure roller, 8, 8a... Imaging input section, 10, 10a
... Optical fiber, 11 ... Color identification means, 15 ...
Color comparison means, 16... Memory, 17... Display means, 18... System drive means, 19... Heater control means.
Claims (1)
圧接された加圧ローラとからなり、転写紙上のト
ナー像を熱と圧力で定着する定着装置において、 上記定着ローラと加圧ローラの近傍に配設され
、定着ローラと加圧ローラの表面色を検出する光
センサと、 該光センサで検出した色情報とあらかじめ設定
された基準色とを比較し、検出した色情報が基準
色と相違したときに異常信号を送り出す色比較手
段と、 該色比較手段からの異常信号を受けて異常表示
を行なうとともに、上記定着ローラのヒータに対
する通電を遮断し、システムの動作を停止する制
御手段とを備えたことを特徴とする定着装置の異
常検知装置。[Scope of Claim for Utility Model Registration] A fixing device consisting of a fixing roller with a built-in heater and a pressure roller in pressure contact with the fixing roller, which fixes a toner image on a transfer paper using heat and pressure. An optical sensor is placed near the pressure roller and detects the surface color of the fixing roller and pressure roller.The color information detected by the optical sensor is compared with a preset reference color, and the detected color information is determined. a color comparison means that sends out an abnormality signal when the color differs from the reference color; and an abnormality display upon receiving the abnormality signal from the color comparison means, and cutting off power to the heater of the fixing roller to stop the operation of the system. An abnormality detection device for a fixing device, comprising: a control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12418889U JPH0363168U (en) | 1989-10-24 | 1989-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12418889U JPH0363168U (en) | 1989-10-24 | 1989-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363168U true JPH0363168U (en) | 1991-06-20 |
Family
ID=31672126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12418889U Pending JPH0363168U (en) | 1989-10-24 | 1989-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363168U (en) |
-
1989
- 1989-10-24 JP JP12418889U patent/JPH0363168U/ja active Pending