JPS53136838A - Automatic controlling method of image quality in transfer type electrostatic copier - Google Patents

Automatic controlling method of image quality in transfer type electrostatic copier

Info

Publication number
JPS53136838A
JPS53136838A JP5081877A JP5081877A JPS53136838A JP S53136838 A JPS53136838 A JP S53136838A JP 5081877 A JP5081877 A JP 5081877A JP 5081877 A JP5081877 A JP 5081877A JP S53136838 A JPS53136838 A JP S53136838A
Authority
JP
Japan
Prior art keywords
image quality
transfer type
type electrostatic
automatic controlling
electrostatic copier
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
JP5081877A
Other languages
Japanese (ja)
Other versions
JPS6326389B2 (en
Inventor
Masumi Ikesue
Isao Nakamura
Nachio Seko
Susumu Tatsumi
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 JP52050818A priority Critical patent/JPS6326389B2/ja
Publication of JPS53136838A publication Critical patent/JPS53136838A/en
Publication of JPS6326389B2 publication Critical patent/JPS6326389B2/ja
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To improve the image quality of copies by measuring the degrees of fatigue of photoreceptor, and automatically controlling charge quantity, exposure and developing bias voltage based on the measurement results thereof.
COPYRIGHT: (C)1978,JPO&Japio
JP52050818A 1977-05-04 1977-05-04 Expired JPS6326389B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52050818A JPS6326389B2 (en) 1977-05-04 1977-05-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52050818A JPS6326389B2 (en) 1977-05-04 1977-05-04

Publications (2)

Publication Number Publication Date
JPS53136838A true JPS53136838A (en) 1978-11-29
JPS6326389B2 JPS6326389B2 (en) 1988-05-30

Family

ID=12869333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52050818A Expired JPS6326389B2 (en) 1977-05-04 1977-05-04

Country Status (1)

Country Link
JP (1) JPS6326389B2 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5589859A (en) * 1978-12-28 1980-07-07 Canon Inc Method and apparatus for forming stable image
JPS55101959A (en) * 1979-01-31 1980-08-04 Canon Inc Image forming device
JPS5688152A (en) * 1979-12-13 1981-07-17 Ibm Device for measuring photconductor charges and maintaining same at desired value
JPS56150762A (en) * 1980-04-24 1981-11-21 Copyer Co Ltd Control method for surface potential of photoreceptor of electrophotographic copier
JPS57118256A (en) * 1981-01-14 1982-07-23 Canon Inc Electrostatic recorder
JPS58217956A (en) * 1982-06-12 1983-12-19 Fuji Xerox Co Ltd Automatic adjusting device for copying position
JPS58224355A (en) * 1982-06-24 1983-12-26 Ricoh Co Ltd Method for correcting surface potential of photoreceptor of electrophotographic copying machine
JPS5912456A (en) * 1982-07-13 1984-01-23 Canon Inc Picture forming device
JPH01234862A (en) * 1988-03-16 1989-09-20 Ricoh Co Ltd Method for controlling image forming device
US5146269A (en) * 1989-06-23 1992-09-08 Minolta Camera Kabushiki Kaisha Image forming apparatus having self-diagnostic function
US5173734A (en) * 1990-03-19 1992-12-22 Minolta Camera Kabushiki Kaisha Image forming apparatus using measured data to adjust the operation level
US5206686A (en) * 1990-03-20 1993-04-27 Minolta Camera Kabushiki Kaisha Apparatus for forming an image with use of electrophotographic process including gradation correction
US5223896A (en) * 1989-06-23 1993-06-29 Minolta Camera Kabushiki Kaisha Image forming apparatus having self-diagnostic function relating to the potential of the photoreceptor
US5343235A (en) * 1990-03-20 1994-08-30 Minolta Camera Kabushiki Kaisha Apparatus and method for forming an image including correction for laser beam size
US5585927A (en) * 1992-05-19 1996-12-17 Minolta Camera Kabushiki Kaisha Digital image forming apparatus having gradation characteristic setting means
US6008911A (en) * 1992-05-19 1999-12-28 Minolta Co., Ltd. Digital image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6359143B2 (en) * 1978-12-28 1988-11-17
JPS5589859A (en) * 1978-12-28 1980-07-07 Canon Inc Method and apparatus for forming stable image
JPS55101959A (en) * 1979-01-31 1980-08-04 Canon Inc Image forming device
JPH0255783B2 (en) * 1979-01-31 1990-11-28 Canon Kk
JPH0261027B2 (en) * 1979-12-13 1990-12-18 Intaanashonaru Bijinesu Mashiinzu Corp
JPS5688152A (en) * 1979-12-13 1981-07-17 Ibm Device for measuring photconductor charges and maintaining same at desired value
JPS56150762A (en) * 1980-04-24 1981-11-21 Copyer Co Ltd Control method for surface potential of photoreceptor of electrophotographic copier
JPH035583B2 (en) * 1981-01-14 1991-01-25 Canon Kk
JPS57118256A (en) * 1981-01-14 1982-07-23 Canon Inc Electrostatic recorder
JPS58217956A (en) * 1982-06-12 1983-12-19 Fuji Xerox Co Ltd Automatic adjusting device for copying position
JPS58224355A (en) * 1982-06-24 1983-12-26 Ricoh Co Ltd Method for correcting surface potential of photoreceptor of electrophotographic copying machine
JPS5912456A (en) * 1982-07-13 1984-01-23 Canon Inc Picture forming device
JPH01234862A (en) * 1988-03-16 1989-09-20 Ricoh Co Ltd Method for controlling image forming device
US5146269A (en) * 1989-06-23 1992-09-08 Minolta Camera Kabushiki Kaisha Image forming apparatus having self-diagnostic function
US5223896A (en) * 1989-06-23 1993-06-29 Minolta Camera Kabushiki Kaisha Image forming apparatus having self-diagnostic function relating to the potential of the photoreceptor
US5173734A (en) * 1990-03-19 1992-12-22 Minolta Camera Kabushiki Kaisha Image forming apparatus using measured data to adjust the operation level
US5206686A (en) * 1990-03-20 1993-04-27 Minolta Camera Kabushiki Kaisha Apparatus for forming an image with use of electrophotographic process including gradation correction
US5343235A (en) * 1990-03-20 1994-08-30 Minolta Camera Kabushiki Kaisha Apparatus and method for forming an image including correction for laser beam size
US5585927A (en) * 1992-05-19 1996-12-17 Minolta Camera Kabushiki Kaisha Digital image forming apparatus having gradation characteristic setting means
US6008911A (en) * 1992-05-19 1999-12-28 Minolta Co., Ltd. Digital image forming apparatus

Also Published As

Publication number Publication date
JPS6326389B2 (en) 1988-05-30

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