JPS5418748A - Toner concentration detecting method - Google Patents

Toner concentration detecting method

Info

Publication number
JPS5418748A
JPS5418748A JP8341177A JP8341177A JPS5418748A JP S5418748 A JPS5418748 A JP S5418748A JP 8341177 A JP8341177 A JP 8341177A JP 8341177 A JP8341177 A JP 8341177A JP S5418748 A JPS5418748 A JP S5418748A
Authority
JP
Japan
Prior art keywords
toner concentration
detecting method
concentration detecting
toner
concentration
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
JP8341177A
Other languages
Japanese (ja)
Other versions
JPS6027022B2 (en
Inventor
Seiichi Miyagawa
Susumu Tatsumi
Koji Sakamoto
Yoshihiro Ogata
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 JP8341177A priority Critical patent/JPS6027022B2/en
Publication of JPS5418748A publication Critical patent/JPS5418748A/en
Publication of JPS6027022B2 publication Critical patent/JPS6027022B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To enable a slight change of toner concentration to be sharply detected and a simple detector of low cost and simple circuit constitution to be obtained by making use of the change in the inductance of coils in detecting the concentration of the toner in a developer.
JP8341177A 1977-07-12 1977-07-12 Toner concentration detection method Expired JPS6027022B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8341177A JPS6027022B2 (en) 1977-07-12 1977-07-12 Toner concentration detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8341177A JPS6027022B2 (en) 1977-07-12 1977-07-12 Toner concentration detection method

Publications (2)

Publication Number Publication Date
JPS5418748A true JPS5418748A (en) 1979-02-13
JPS6027022B2 JPS6027022B2 (en) 1985-06-26

Family

ID=13801683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8341177A Expired JPS6027022B2 (en) 1977-07-12 1977-07-12 Toner concentration detection method

Country Status (1)

Country Link
JP (1) JPS6027022B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858569A (en) * 1981-10-02 1983-04-07 Fuji Xerox Co Ltd Toner ratio detecting device for electronic copying machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858569A (en) * 1981-10-02 1983-04-07 Fuji Xerox Co Ltd Toner ratio detecting device for electronic copying machine

Also Published As

Publication number Publication date
JPS6027022B2 (en) 1985-06-26

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