JPS6374655U - - Google Patents

Info

Publication number
JPS6374655U
JPS6374655U JP16906786U JP16906786U JPS6374655U JP S6374655 U JPS6374655 U JP S6374655U JP 16906786 U JP16906786 U JP 16906786U JP 16906786 U JP16906786 U JP 16906786U JP S6374655 U JPS6374655 U JP S6374655U
Authority
JP
Japan
Prior art keywords
toner
control device
density
replenished
concentration control
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
JP16906786U
Other languages
English (en)
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 JP16906786U priority Critical patent/JPS6374655U/ja
Priority to US07/114,106 priority patent/US4801980A/en
Publication of JPS6374655U publication Critical patent/JPS6374655U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Description

【図面の簡単な説明】
第１図は本実施例のトナー濃度制御の回路図、
第２図はセンサ汚れ補償用データ取り込みとトナ
ー濃度データ取り込みのタイミングの説明図、第
３図はトナー濃度制御の説明図、第４図は従来の
一般的な電子写真式複写装置の原理説明図、第５
図は従来のトナー濃度制御の回路図である。 １７……センサ。

Claims (1)

  1. 【実用新案登録請求の範囲】 基準濃度板の画像を感光体ドラム面に現像した
    パツチ画像の濃度をセンサで検知して、該検知結
    果によりトナー補給の有無を制御するようにした
    トナー濃度制御装置において、 上記トナー補給の有無の判定レベルを複数段階
    に設定する手段を有することを特徴とするトナー
    濃度制御装置。
JP16906786U 1986-10-29 1986-11-05 Pending JPS6374655U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP16906786U JPS6374655U (ja) 1986-11-05 1986-11-05
US07/114,106 US4801980A (en) 1986-10-29 1987-10-28 Toner density control apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16906786U JPS6374655U (ja) 1986-11-05 1986-11-05

Publications (1)

Publication Number Publication Date
JPS6374655U true JPS6374655U (ja) 1988-05-18

Family

ID=31102534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16906786U Pending JPS6374655U (ja) 1986-10-29 1986-11-05

Country Status (1)

Country Link
JP (1) JPS6374655U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640867B2 (ja) * 1976-06-29 1981-09-24
JPS57136667A (en) * 1981-02-18 1982-08-23 Canon Inc Developer density controller
JPS58182650A (ja) * 1982-04-20 1983-10-25 Ricoh Co Ltd 電子写真複写機の画像濃度制御装置の調整方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640867B2 (ja) * 1976-06-29 1981-09-24
JPS57136667A (en) * 1981-02-18 1982-08-23 Canon Inc Developer density controller
JPS58182650A (ja) * 1982-04-20 1983-10-25 Ricoh Co Ltd 電子写真複写機の画像濃度制御装置の調整方法

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