JPS51131632A - Detecting method of toner density - Google Patents

Detecting method of toner density

Info

Publication number
JPS51131632A
JPS51131632A JP5690175A JP5690175A JPS51131632A JP S51131632 A JPS51131632 A JP S51131632A JP 5690175 A JP5690175 A JP 5690175A JP 5690175 A JP5690175 A JP 5690175A JP S51131632 A JPS51131632 A JP S51131632A
Authority
JP
Japan
Prior art keywords
detecting method
toner density
detecting
parts
developing
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
JP5690175A
Other languages
Japanese (ja)
Other versions
JPS5820429B2 (en
Inventor
Toyoo Okamoto
Seiichi Miyagawa
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 JP50056901A priority Critical patent/JPS5820429B2/en
Priority to GB1853476A priority patent/GB1489535A/en
Priority to DE19762620766 priority patent/DE2620766C3/en
Publication of JPS51131632A publication Critical patent/JPS51131632A/en
Priority to US05/870,520 priority patent/US4166702A/en
Publication of JPS5820429B2 publication Critical patent/JPS5820429B2/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
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/104—Preparing, mixing, transporting or dispensing developer
    • G03G15/105—Detection or control means for the toner concentration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE: To prevent parts for detecting developing liquid from being stained by developing toner by sending developer into enclosed container and providing liquid exit at higher position than the detecting parts.
COPYRIGHT: (C)1976,JPO&Japio
JP50056901A 1975-05-12 1975-05-12 Toner knowledge Expired JPS5820429B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50056901A JPS5820429B2 (en) 1975-05-12 1975-05-12 Toner knowledge
GB1853476A GB1489535A (en) 1975-05-12 1976-05-06 Liquid developing apparatus and devices for measuring the toner concentration of the developer used in the apparatu
DE19762620766 DE2620766C3 (en) 1975-05-12 1976-05-11 Means for sensing a toner concentration
US05/870,520 US4166702A (en) 1975-05-12 1978-01-18 Device for detecting a toner concentration in a developing solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50056901A JPS5820429B2 (en) 1975-05-12 1975-05-12 Toner knowledge

Publications (2)

Publication Number Publication Date
JPS51131632A true JPS51131632A (en) 1976-11-16
JPS5820429B2 JPS5820429B2 (en) 1983-04-22

Family

ID=13040343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50056901A Expired JPS5820429B2 (en) 1975-05-12 1975-05-12 Toner knowledge

Country Status (3)

Country Link
JP (1) JPS5820429B2 (en)
DE (1) DE2620766C3 (en)
GB (1) GB1489535A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100599114B1 (en) * 2004-07-21 2006-07-12 삼성전자주식회사 Abnormal state detection apparatus, image forming apparatus having the same, and control method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984450A (en) * 1972-12-19 1974-08-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984450A (en) * 1972-12-19 1974-08-14

Also Published As

Publication number Publication date
JPS5820429B2 (en) 1983-04-22
DE2620766A1 (en) 1976-11-18
GB1489535A (en) 1977-10-19
DE2620766B2 (en) 1980-05-08
DE2620766C3 (en) 1981-01-15

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