JPS547351A - Reference density controller for toner density detector - Google Patents

Reference density controller for toner density detector

Info

Publication number
JPS547351A
JPS547351A JP7216377A JP7216377A JPS547351A JP S547351 A JPS547351 A JP S547351A JP 7216377 A JP7216377 A JP 7216377A JP 7216377 A JP7216377 A JP 7216377A JP S547351 A JPS547351 A JP S547351A
Authority
JP
Japan
Prior art keywords
density
detector
controller
toner
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.)
Pending
Application number
JP7216377A
Other languages
Japanese (ja)
Inventor
Mitsuo Hasebe
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 JP7216377A priority Critical patent/JPS547351A/en
Publication of JPS547351A publication Critical patent/JPS547351A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To set the reference of density detector and inspect the toner density in a simple manner with the high accuracy by inserting the reference core which has the permeability corresponding to the normal density into a coil.
JP7216377A 1977-06-20 1977-06-20 Reference density controller for toner density detector Pending JPS547351A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7216377A JPS547351A (en) 1977-06-20 1977-06-20 Reference density controller for toner density detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7216377A JPS547351A (en) 1977-06-20 1977-06-20 Reference density controller for toner density detector

Publications (1)

Publication Number Publication Date
JPS547351A true JPS547351A (en) 1979-01-20

Family

ID=13481297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7216377A Pending JPS547351A (en) 1977-06-20 1977-06-20 Reference density controller for toner density detector

Country Status (1)

Country Link
JP (1) JPS547351A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5779972A (en) * 1980-11-06 1982-05-19 Ricoh Co Ltd Setting method for toner concentration controller
JPS597978A (en) * 1982-07-07 1984-01-17 Ricoh Co Ltd Toner density controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5779972A (en) * 1980-11-06 1982-05-19 Ricoh Co Ltd Setting method for toner concentration controller
JPS597978A (en) * 1982-07-07 1984-01-17 Ricoh Co Ltd Toner density controller

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