JPS52145042A - Detection of toner density - Google Patents

Detection of toner density

Info

Publication number
JPS52145042A
JPS52145042A JP6148776A JP6148776A JPS52145042A JP S52145042 A JPS52145042 A JP S52145042A JP 6148776 A JP6148776 A JP 6148776A JP 6148776 A JP6148776 A JP 6148776A JP S52145042 A JPS52145042 A JP S52145042A
Authority
JP
Japan
Prior art keywords
toner density
detection
developer agent
disregard
fluctuation
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
JP6148776A
Other languages
Japanese (ja)
Other versions
JPS6018064B2 (en
Inventor
Koichi Suzuki
Tomoaki Suzuki
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 JP6148776A priority Critical patent/JPS6018064B2/en
Publication of JPS52145042A publication Critical patent/JPS52145042A/en
Publication of JPS6018064B2 publication Critical patent/JPS6018064B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE:To enable a high precision detection of toner density in disregard of D.C. fluctuation by providing A.C. magnet such that a developer agent becomes a certain portion of the main magnetic flux in order to detect a leakage flux from the developer agent.
JP6148776A 1976-05-27 1976-05-27 Toner concentration detection method Expired JPS6018064B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6148776A JPS6018064B2 (en) 1976-05-27 1976-05-27 Toner concentration detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6148776A JPS6018064B2 (en) 1976-05-27 1976-05-27 Toner concentration detection method

Publications (2)

Publication Number Publication Date
JPS52145042A true JPS52145042A (en) 1977-12-02
JPS6018064B2 JPS6018064B2 (en) 1985-05-08

Family

ID=13172481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6148776A Expired JPS6018064B2 (en) 1976-05-27 1976-05-27 Toner concentration detection method

Country Status (1)

Country Link
JP (1) JPS6018064B2 (en)

Also Published As

Publication number Publication date
JPS6018064B2 (en) 1985-05-08

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