JPS5828862U - image forming device - Google Patents

image forming device

Info

Publication number
JPS5828862U
JPS5828862U JP12329481U JP12329481U JPS5828862U JP S5828862 U JPS5828862 U JP S5828862U JP 12329481 U JP12329481 U JP 12329481U JP 12329481 U JP12329481 U JP 12329481U JP S5828862 U JPS5828862 U JP S5828862U
Authority
JP
Japan
Prior art keywords
image forming
image
forming device
density
detection means
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.)
Granted
Application number
JP12329481U
Other languages
Japanese (ja)
Other versions
JPS6336338Y2 (en
Inventor
勝則 菊池
Original Assignee
株式会社東芝
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 by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP12329481U priority Critical patent/JPS5828862U/en
Publication of JPS5828862U publication Critical patent/JPS5828862U/en
Application granted granted Critical
Publication of JPS6336338Y2 publication Critical patent/JPS6336338Y2/ja
Granted legal-status Critical Current

Links

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  • Dry Development In 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

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

図面は本考案の一実施例を示すもので、第１図は電子複
写機の一部を示す構成図、第２図は検知回路の出力電圧
を示すグラフ図、第３図は判別回路の出力電圧を示すグ
ラフ図である。 ５・・・感光体、１４・・・検知手段、２０・・・表示
手段。The drawings show one embodiment of the present invention. Fig. 1 is a block diagram showing a part of an electronic copying machine, Fig. 2 is a graph showing the output voltage of the detection circuit, and Fig. 3 is the output of the discrimination circuit. It is a graph diagram showing voltage. 5... Photoreceptor, 14... Detection means, 20... Display means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 感光体と、この感光体上の潜像に現像剤が供給されて形
成された画像の濃度を検知する検知手段と、この検知手
段によって検知された上記画像の濃度が上記現像剤の劣
化により一定値から変化したときこれを表示する表示手
段とを具備してなることを特徴とする画像形成装置。a photoreceptor, a detection means for detecting the density of an image formed by supplying a developer to the latent image on the photoreceptor, and a detection means for detecting the density of the image detected by the detection means, the density of the image being constant due to deterioration of the developer. 1. An image forming apparatus comprising: display means for displaying a change from a value.
JP12329481U 1981-08-20 1981-08-20 image forming device Granted JPS5828862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12329481U JPS5828862U (en) 1981-08-20 1981-08-20 image forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12329481U JPS5828862U (en) 1981-08-20 1981-08-20 image forming device

Publications (2)

Publication Number Publication Date
JPS5828862U true JPS5828862U (en) 1983-02-24
JPS6336338Y2 JPS6336338Y2 (en) 1988-09-27

Family

ID=29917199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12329481U Granted JPS5828862U (en) 1981-08-20 1981-08-20 image forming device

Country Status (1)

Country Link
JP (1) JPS5828862U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342824A (en) * 1976-09-30 1978-04-18 Ricoh Co Ltd Display method for deterioration level of developing agent
JPS554403U (en) * 1978-05-26 1980-01-12

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831216A (en) * 1973-08-06 1974-08-27 Int Shoe Machine Corp Method and machine for cement lasting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342824A (en) * 1976-09-30 1978-04-18 Ricoh Co Ltd Display method for deterioration level of developing agent
JPS554403U (en) * 1978-05-26 1980-01-12

Also Published As

Publication number Publication date
JPS6336338Y2 (en) 1988-09-27

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