JPH0253794B2 - - Google Patents

Info

Publication number
JPH0253794B2
JPH0253794B2 JP3581381A JP3581381A JPH0253794B2 JP H0253794 B2 JPH0253794 B2 JP H0253794B2 JP 3581381 A JP3581381 A JP 3581381A JP 3581381 A JP3581381 A JP 3581381A JP H0253794 B2 JPH0253794 B2 JP H0253794B2
Authority
JP
Japan
Prior art keywords
magnetic toner
toner
scraper
holding member
magnetic
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 - Lifetime
Application number
JP3581381A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57148775A (en
Inventor
Takeshi Saito
Hidenori Kawabuchi
Masateru Mutsuhira
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 JP3581381A priority Critical patent/JPS57148775A/ja
Publication of JPS57148775A publication Critical patent/JPS57148775A/ja
Publication of JPH0253794B2 publication Critical patent/JPH0253794B2/ja
Granted 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
    • 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
    • G03G15/0856—Detection or control means for the developer level

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP3581381A 1981-03-12 1981-03-12 Developing device Granted JPS57148775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3581381A JPS57148775A (en) 1981-03-12 1981-03-12 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3581381A JPS57148775A (en) 1981-03-12 1981-03-12 Developing device

Publications (2)

Publication Number Publication Date
JPS57148775A JPS57148775A (en) 1982-09-14
JPH0253794B2 true JPH0253794B2 (en]) 1990-11-19

Family

ID=12452361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3581381A Granted JPS57148775A (en) 1981-03-12 1981-03-12 Developing device

Country Status (1)

Country Link
JP (1) JPS57148775A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2521678B2 (ja) * 1986-10-20 1996-08-07 株式会社リコー 静電潜像の現像装置

Also Published As

Publication number Publication date
JPS57148775A (en) 1982-09-14

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