GB2127590B - Toner density control - Google Patents

Toner density control

Info

Publication number
GB2127590B
GB2127590B GB8325188A GB8325188A GB2127590B GB 2127590 B GB2127590 B GB 2127590B GB 8325188 A GB8325188 A GB 8325188A GB 8325188 A GB8325188 A GB 8325188A GB 2127590 B GB2127590 B GB 2127590B
Authority
GB
United Kingdom
Prior art keywords
toner density
density control
control
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.)
Expired
Application number
GB8325188A
Other versions
GB2127590A (en
GB8325188D0 (en
Inventor
Roderick Arthur Cooley
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Priority to GB8325188A priority Critical patent/GB2127590B/en
Publication of GB8325188D0 publication Critical patent/GB8325188D0/en
Publication of GB2127590A publication Critical patent/GB2127590A/en
Application granted granted Critical
Publication of GB2127590B publication Critical patent/GB2127590B/en
Expired 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
    • G03G15/06—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
GB8325188A 1982-09-21 1983-09-21 Toner density control Expired GB2127590B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8325188A GB2127590B (en) 1982-09-21 1983-09-21 Toner density control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8226838 1982-09-21
GB8325188A GB2127590B (en) 1982-09-21 1983-09-21 Toner density control

Publications (3)

Publication Number Publication Date
GB8325188D0 GB8325188D0 (en) 1983-10-26
GB2127590A GB2127590A (en) 1984-04-11
GB2127590B true GB2127590B (en) 1987-04-15

Family

ID=26283895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8325188A Expired GB2127590B (en) 1982-09-21 1983-09-21 Toner density control

Country Status (1)

Country Link
GB (1) GB2127590B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097293A (en) * 1988-08-03 1992-03-17 Fujitsu Limited Method and device for controlling toner density of an electrostatic printing apparatus employing toner
US4942431A (en) * 1988-08-31 1990-07-17 Canon Kabushiki Kaisha Image forming apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873002A (en) * 1973-04-16 1975-03-25 Xerox Corp Toner dispenser logic control

Also Published As

Publication number Publication date
GB2127590A (en) 1984-04-11
GB8325188D0 (en) 1983-10-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000921