JPS57165868A - Partition plate for dry type developing device - Google Patents

Partition plate for dry type developing device

Info

Publication number
JPS57165868A
JPS57165868A JP5131781A JP5131781A JPS57165868A JP S57165868 A JPS57165868 A JP S57165868A JP 5131781 A JP5131781 A JP 5131781A JP 5131781 A JP5131781 A JP 5131781A JP S57165868 A JPS57165868 A JP S57165868A
Authority
JP
Japan
Prior art keywords
toner
partition plate
developing device
sensor
dry type
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
JP5131781A
Other languages
Japanese (ja)
Inventor
Tadashi Yamashita
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 JP5131781A priority Critical patent/JPS57165868A/en
Publication of JPS57165868A publication Critical patent/JPS57165868A/en
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To prevent the fatigue of a toner due to movement of unnecessary toner and to keep the sensitivity of a sensor, by supplying sufficient toner at all times with increased flowing outlet corresponding to the toner sensor. CONSTITUTION:A notch section 20 is provided at a toner flowing outlet 19 at the lower part of a partition plate 4 of a development agent toner pool 1 and much toner can flow by this part, and the toner flowing from the upper part of a partition plate 14 to a density sensor 15 can be assured for sufficient amount partially, which is scraped off at a doctor 12 via a toner pumping up sleeve 2 and a development sleeve 3.
JP5131781A 1981-04-06 1981-04-06 Partition plate for dry type developing device Pending JPS57165868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5131781A JPS57165868A (en) 1981-04-06 1981-04-06 Partition plate for dry type developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5131781A JPS57165868A (en) 1981-04-06 1981-04-06 Partition plate for dry type developing device

Publications (1)

Publication Number Publication Date
JPS57165868A true JPS57165868A (en) 1982-10-13

Family

ID=12883533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5131781A Pending JPS57165868A (en) 1981-04-06 1981-04-06 Partition plate for dry type developing device

Country Status (1)

Country Link
JP (1) JPS57165868A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051564U (en) * 1983-09-16 1985-04-11 日立工機株式会社 Developing device equipped with toner density detection device
JPS61106953U (en) * 1984-12-19 1986-07-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051564U (en) * 1983-09-16 1985-04-11 日立工機株式会社 Developing device equipped with toner density detection device
JPS61106953U (en) * 1984-12-19 1986-07-07

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