JPS6250818B2 - - Google Patents

Info

Publication number
JPS6250818B2
JPS6250818B2 JP56158387A JP15838781A JPS6250818B2 JP S6250818 B2 JPS6250818 B2 JP S6250818B2 JP 56158387 A JP56158387 A JP 56158387A JP 15838781 A JP15838781 A JP 15838781A JP S6250818 B2 JPS6250818 B2 JP S6250818B2
Authority
JP
Japan
Prior art keywords
density
mark
image
latent image
electrostatic latent
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.)
Expired
Application number
JP56158387A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5859464A (ja
Inventor
Akio Nakanishi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56158387A priority Critical patent/JPS5859464A/ja
Publication of JPS5859464A publication Critical patent/JPS5859464A/ja
Publication of JPS6250818B2 publication Critical patent/JPS6250818B2/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
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00067—Image density detection on recording medium
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00443—Copy medium
    • G03G2215/00451—Paper
    • G03G2215/00455—Continuous web, i.e. roll
    • G03G2215/00459—Fan fold, e.g. CFF, normally perforated

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Dot-Matrix Printers And Others (AREA)
JP56158387A 1981-10-05 1981-10-05 静電型印刷装置の印字濃度制御方法 Granted JPS5859464A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56158387A JPS5859464A (ja) 1981-10-05 1981-10-05 静電型印刷装置の印字濃度制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56158387A JPS5859464A (ja) 1981-10-05 1981-10-05 静電型印刷装置の印字濃度制御方法

Publications (2)

Publication Number Publication Date
JPS5859464A JPS5859464A (ja) 1983-04-08
JPS6250818B2 true JPS6250818B2 (enrdf_load_stackoverflow) 1987-10-27

Family

ID=15670606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56158387A Granted JPS5859464A (ja) 1981-10-05 1981-10-05 静電型印刷装置の印字濃度制御方法

Country Status (1)

Country Link
JP (1) JPS5859464A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58115453A (ja) * 1981-12-28 1983-07-09 Yokogawa Hokushin Electric Corp 電子写真装置
JPS59136754A (ja) * 1983-01-26 1984-08-06 Canon Inc 画像形成装置
US7417651B2 (en) * 2005-01-06 2008-08-26 Seiko Epson Corporation Image forming apparatus

Also Published As

Publication number Publication date
JPS5859464A (ja) 1983-04-08

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