JPS55127574A - Drift compensating method of toner density detector in electrophotographic copier - Google Patents

Drift compensating method of toner density detector in electrophotographic copier

Info

Publication number
JPS55127574A
JPS55127574A JP3423479A JP3423479A JPS55127574A JP S55127574 A JPS55127574 A JP S55127574A JP 3423479 A JP3423479 A JP 3423479A JP 3423479 A JP3423479 A JP 3423479A JP S55127574 A JPS55127574 A JP S55127574A
Authority
JP
Japan
Prior art keywords
detector
drift
amplifier
detection
toner density
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
JP3423479A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0231386B2 (cs
Inventor
Masaaki Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP3423479A priority Critical patent/JPS55127574A/ja
Publication of JPS55127574A publication Critical patent/JPS55127574A/ja
Publication of JPH0231386B2 publication Critical patent/JPH0231386B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Developing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP3423479A 1979-03-26 1979-03-26 Drift compensating method of toner density detector in electrophotographic copier Granted JPS55127574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3423479A JPS55127574A (en) 1979-03-26 1979-03-26 Drift compensating method of toner density detector in electrophotographic copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3423479A JPS55127574A (en) 1979-03-26 1979-03-26 Drift compensating method of toner density detector in electrophotographic copier

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP63122029A Division JPH01118157A (ja) 1988-05-20 1988-05-20 電子複写機の画像濃度検出装置

Publications (2)

Publication Number Publication Date
JPS55127574A true JPS55127574A (en) 1980-10-02
JPH0231386B2 JPH0231386B2 (cs) 1990-07-12

Family

ID=12408454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3423479A Granted JPS55127574A (en) 1979-03-26 1979-03-26 Drift compensating method of toner density detector in electrophotographic copier

Country Status (1)

Country Link
JP (1) JPS55127574A (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764168A (en) * 1980-10-06 1982-04-19 Ricoh Co Ltd Non-contact type electrometer
JPS5876832A (ja) * 1981-11-02 1983-05-10 Konishiroku Photo Ind Co Ltd 金属画像形成材料
JPS5879737U (ja) * 1981-11-24 1983-05-30 日本電気株式会社 印刷濃度制御装置
JPS60212781A (ja) * 1984-04-06 1985-10-25 Konishiroku Photo Ind Co Ltd 静電複写記録装置
JPS60260067A (ja) * 1984-06-06 1985-12-23 Canon Inc 電子写真の制御方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4851677A (cs) * 1971-10-29 1973-07-20
JPS5118182U (cs) * 1974-07-29 1976-02-09
JPS5393030A (en) * 1977-01-27 1978-08-15 Ricoh Co Ltd Copying process control method of electrophotographic copying machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4851677A (cs) * 1971-10-29 1973-07-20
JPS5118182U (cs) * 1974-07-29 1976-02-09
JPS5393030A (en) * 1977-01-27 1978-08-15 Ricoh Co Ltd Copying process control method of electrophotographic copying machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764168A (en) * 1980-10-06 1982-04-19 Ricoh Co Ltd Non-contact type electrometer
JPS5876832A (ja) * 1981-11-02 1983-05-10 Konishiroku Photo Ind Co Ltd 金属画像形成材料
JPS5879737U (ja) * 1981-11-24 1983-05-30 日本電気株式会社 印刷濃度制御装置
JPS60212781A (ja) * 1984-04-06 1985-10-25 Konishiroku Photo Ind Co Ltd 静電複写記録装置
JPS60260067A (ja) * 1984-06-06 1985-12-23 Canon Inc 電子写真の制御方法

Also Published As

Publication number Publication date
JPH0231386B2 (cs) 1990-07-12

Similar Documents

Publication Publication Date Title
JPS5560967A (en) Electrophotographic apparatus
JPS55127574A (en) Drift compensating method of toner density detector in electrophotographic copier
JPS57200054A (en) Picture forming device
CA1115333A (en) Bias device for a copying machine
JPS55127573A (en) Gain adjusting method of toner image detector in electrophotographic copier
US5214477A (en) Image forming apparatus having a toner density detecting device
JPS55106470A (en) Printing density control unit
JPS56158356A (en) Density control method for developer
JPS5555349A (en) Control unit of electrophotographic copier
JPS55111970A (en) Developing method
JPS5785070A (en) Control device for copying density of electrophotographic copier
JPS56161555A (en) Controller of electrophotographic copying machine
GB1565234A (en) Electrophotographic apparatus
JPS575062A (en) Developing device
JPS55117163A (en) Image forming device
JPS5688142A (en) Image density control device
JPS56150762A (en) Control method for surface potential of photoreceptor of electrophotographic copier
JPS55127572A (en) Control unit of electrophotographic copier
JPS5729061A (en) Detector for remaining amount of toner of electrophotographic copier
JPS55117165A (en) Image forming device
JPS55111954A (en) Method and apparatus for image formation
JPS5359433A (en) Developing device for electrostatic latent image
JPS5488131A (en) Auto bias developing device
JPS54130134A (en) Developing bias control unit
JPS5386224A (en) Electronic photograph device