JPS57196266A - Controlling method and device for electronic copying machine - Google Patents

Controlling method and device for electronic copying machine

Info

Publication number
JPS57196266A
JPS57196266A JP56080798A JP8079881A JPS57196266A JP S57196266 A JPS57196266 A JP S57196266A JP 56080798 A JP56080798 A JP 56080798A JP 8079881 A JP8079881 A JP 8079881A JP S57196266 A JPS57196266 A JP S57196266A
Authority
JP
Japan
Prior art keywords
controlling
copying machine
controlling method
electronic copying
control signal
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
JP56080798A
Other languages
Japanese (ja)
Other versions
JPH0326389B2 (en
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 JP56080798A priority Critical patent/JPS57196266A/en
Publication of JPS57196266A publication Critical patent/JPS57196266A/en
Publication of JPH0326389B2 publication Critical patent/JPH0326389B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch

Abstract

PURPOSE:To obtain always copies of a stable quality, by detecting a toner density and a surface potential from a toner image and comparing them with reference values and controlling a controlling circuit by the control signal obtained by this comparison. CONSTITUTION:A toner density and a surface potential of the toner image of a reference target are detected by a reflective densitometer 101 and a surface potentiometer 102 and are inputted to a microcomputer 16 through an input circuit 12 controlled by a processor 13 and are compared with reference values to output a control signal. Various controlling circuits 15 are controlled by the output to obtain always copies of a stable quality.
JP56080798A 1981-05-29 1981-05-29 Controlling method and device for electronic copying machine Granted JPS57196266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56080798A JPS57196266A (en) 1981-05-29 1981-05-29 Controlling method and device for electronic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56080798A JPS57196266A (en) 1981-05-29 1981-05-29 Controlling method and device for electronic copying machine

Publications (2)

Publication Number Publication Date
JPS57196266A true JPS57196266A (en) 1982-12-02
JPH0326389B2 JPH0326389B2 (en) 1991-04-10

Family

ID=13728472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56080798A Granted JPS57196266A (en) 1981-05-29 1981-05-29 Controlling method and device for electronic copying machine

Country Status (1)

Country Link
JP (1) JPS57196266A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164563A (en) * 1983-02-28 1984-09-17 ゼロツクス・コ−ポレ−シヨン Apparatus for determining ratio of charge of toner particle to mass
JPS6390672A (en) * 1986-10-06 1988-04-21 Nippon Denso Co Ltd Distribution device for igniting engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5410743A (en) * 1977-06-27 1979-01-26 Canon Inc Image forming apparatus
JPS5450329A (en) * 1977-09-28 1979-04-20 Ricoh Co Ltd Copier control device using plural micro-computers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5410743A (en) * 1977-06-27 1979-01-26 Canon Inc Image forming apparatus
JPS5450329A (en) * 1977-09-28 1979-04-20 Ricoh Co Ltd Copier control device using plural micro-computers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164563A (en) * 1983-02-28 1984-09-17 ゼロツクス・コ−ポレ−シヨン Apparatus for determining ratio of charge of toner particle to mass
JPS6390672A (en) * 1986-10-06 1988-04-21 Nippon Denso Co Ltd Distribution device for igniting engine

Also Published As

Publication number Publication date
JPH0326389B2 (en) 1991-04-10

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