JPS5393030A - Copying process control method of electrophotographic copying machine - Google Patents

Copying process control method of electrophotographic copying machine

Info

Publication number
JPS5393030A
JPS5393030A JP725577A JP725577A JPS5393030A JP S5393030 A JPS5393030 A JP S5393030A JP 725577 A JP725577 A JP 725577A JP 725577 A JP725577 A JP 725577A JP S5393030 A JPS5393030 A JP S5393030A
Authority
JP
Japan
Prior art keywords
control method
process control
copying
measuring
electrophotographic
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
JP725577A
Other languages
Japanese (ja)
Inventor
Masumi Iematsu
Tatsushi Yano
Hiroyuki Idenawa
Tomoo Sekona
Isao Nakamura
Susumu Tatsumi
Tatsuo Tani
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP725577A priority Critical patent/JPS5393030A/en
Publication of JPS5393030A publication Critical patent/JPS5393030A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE: To perform accurate correction by forming a picture image pattern suitable for measuring the degree of fatigue of a photosensitive body on the photosensitive body in the form of a latent or sensible image, measuring its potential density, contrast, etc., and measuring the actual degree of fatigue of the photosensitive body.
COPYRIGHT: (C)1978,JPO&Japio
JP725577A 1977-01-27 1977-01-27 Copying process control method of electrophotographic copying machine Pending JPS5393030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP725577A JPS5393030A (en) 1977-01-27 1977-01-27 Copying process control method of electrophotographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP725577A JPS5393030A (en) 1977-01-27 1977-01-27 Copying process control method of electrophotographic copying machine

Publications (1)

Publication Number Publication Date
JPS5393030A true JPS5393030A (en) 1978-08-15

Family

ID=11660912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP725577A Pending JPS5393030A (en) 1977-01-27 1977-01-27 Copying process control method of electrophotographic copying machine

Country Status (1)

Country Link
JP (1) JPS5393030A (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398834A (en) * 1977-02-09 1978-08-29 Canon Inc Controller for electrostatic device
JPS5529869A (en) * 1978-08-24 1980-03-03 Canon Inc Electrostatic recorder
JPS55127575A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Control method of electrophotographic copier
JPS55127574A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Drift compensating method of toner density detector in electrophotographic copier
JPS55127573A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Gain adjusting method of toner image detector in electrophotographic copier
JPS55127572A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Control unit of electrophotographic copier
JPS55127571A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Control method of electrophotographic copier
JPS5633661A (en) * 1979-08-29 1981-04-04 Toshiba Corp Copying machine
JPS56161555A (en) * 1980-05-19 1981-12-11 Fuji Xerox Co Ltd Controller of electrophotographic copying machine
JPS56165156A (en) * 1980-04-21 1981-12-18 Xerox Corp Controlling device for electrophotographic copying machine
JPS5827154A (en) * 1981-08-07 1983-02-17 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Monitoring for action of copying machine
JPS58115453A (en) * 1981-12-28 1983-07-09 Yokogawa Hokushin Electric Corp Electrophotographic device
JPS58224355A (en) * 1982-06-24 1983-12-26 Ricoh Co Ltd Method for correcting surface potential of photoreceptor of electrophotographic copying machine
JPS5971077A (en) * 1982-10-18 1984-04-21 Fuji Electric Co Ltd Evaluation of light fatigue of photoreceptor for electronic photography
JPS60260071A (en) * 1984-06-06 1985-12-23 Canon Inc Controlling method of electrophotography
JPH01118157A (en) * 1988-05-20 1989-05-10 Fuji Xerox Co Ltd Image density detecting device for an electronic copying machine
JPH026970A (en) * 1988-11-14 1990-01-11 Fuji Xerox Co Ltd Control method for electronic copying machine
US5148287A (en) * 1988-10-20 1992-09-15 Canon Kabushiki Kaisha Image processing apparatus with good highlight reproduction
US5359433A (en) * 1990-02-01 1994-10-25 Canon Kabushiki Kaisha Image processing apparatus with reduced image deterioration in highlight portions
US5708915A (en) * 1992-11-18 1998-01-13 Sharp Kabushiki Kaisha Image-quality stabilizer for use in an electrophotographic apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
JPS5020730A (en) * 1973-05-17 1975-03-05
JPS5022642A (en) * 1973-06-28 1975-03-11

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
JPS5020730A (en) * 1973-05-17 1975-03-05
JPS5022642A (en) * 1973-06-28 1975-03-11

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129502B2 (en) * 1977-02-09 1986-07-07 Canon Kk
JPS5398834A (en) * 1977-02-09 1978-08-29 Canon Inc Controller for electrostatic device
JPS5529869A (en) * 1978-08-24 1980-03-03 Canon Inc Electrostatic recorder
JPS55127575A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Control method of electrophotographic copier
JPS55127574A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Drift compensating method of toner density detector in electrophotographic copier
JPS55127573A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Gain adjusting method of toner image detector in electrophotographic copier
JPS55127572A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Control unit of electrophotographic copier
JPS55127571A (en) * 1979-03-26 1980-10-02 Fuji Xerox Co Ltd Control method of electrophotographic copier
JPH0314186B2 (en) * 1979-03-26 1991-02-26 Fuji Xerox Co Ltd
JPH0313585B2 (en) * 1979-03-26 1991-02-22 Fuji Xerox Co Ltd
JPH0231386B2 (en) * 1979-03-26 1990-07-12 Fuji Xerox Co Ltd
JPH0211903B2 (en) * 1979-03-26 1990-03-16 Fuji Xerox Co Ltd
JPS5633661A (en) * 1979-08-29 1981-04-04 Toshiba Corp Copying machine
JPS6360389B2 (en) * 1979-08-29 1988-11-24
JPS56165156A (en) * 1980-04-21 1981-12-18 Xerox Corp Controlling device for electrophotographic copying machine
JPH041342B2 (en) * 1980-05-19 1992-01-10 Fuji Xerox Co Ltd
JPS56161555A (en) * 1980-05-19 1981-12-11 Fuji Xerox Co Ltd Controller of electrophotographic copying machine
JPS5827154A (en) * 1981-08-07 1983-02-17 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Monitoring for action of copying machine
JPS58115453A (en) * 1981-12-28 1983-07-09 Yokogawa Hokushin Electric Corp Electrophotographic device
JPS58224355A (en) * 1982-06-24 1983-12-26 Ricoh Co Ltd Method for correcting surface potential of photoreceptor of electrophotographic copying machine
JPS5971077A (en) * 1982-10-18 1984-04-21 Fuji Electric Co Ltd Evaluation of light fatigue of photoreceptor for electronic photography
JPH0447813B2 (en) * 1982-10-18 1992-08-05 Fuji Electric Co Ltd
JPS60260071A (en) * 1984-06-06 1985-12-23 Canon Inc Controlling method of electrophotography
JPH01118157A (en) * 1988-05-20 1989-05-10 Fuji Xerox Co Ltd Image density detecting device for an electronic copying machine
US5148287A (en) * 1988-10-20 1992-09-15 Canon Kabushiki Kaisha Image processing apparatus with good highlight reproduction
JPH026970A (en) * 1988-11-14 1990-01-11 Fuji Xerox Co Ltd Control method for electronic copying machine
JPH0529908B2 (en) * 1988-11-14 1993-05-06 Fuji Xerox Co Ltd
US5359433A (en) * 1990-02-01 1994-10-25 Canon Kabushiki Kaisha Image processing apparatus with reduced image deterioration in highlight portions
US5708915A (en) * 1992-11-18 1998-01-13 Sharp Kabushiki Kaisha Image-quality stabilizer for use in an electrophotographic apparatus

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