JPS57157257A - Developing method - Google Patents

Developing method

Info

Publication number
JPS57157257A
JPS57157257A JP56042693A JP4269381A JPS57157257A JP S57157257 A JPS57157257 A JP S57157257A JP 56042693 A JP56042693 A JP 56042693A JP 4269381 A JP4269381 A JP 4269381A JP S57157257 A JPS57157257 A JP S57157257A
Authority
JP
Japan
Prior art keywords
toner
gap
developing sleeve
sleeves
charge
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
JP56042693A
Other languages
Japanese (ja)
Inventor
Toru Oda
Masaaki Nomura
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 JP56042693A priority Critical patent/JPS57157257A/en
Publication of JPS57157257A publication Critical patent/JPS57157257A/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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush

Landscapes

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

Abstract

PURPOSE:To facilitate the control for keeping of a gap between a latent image carrier and a toner carrying means facing to this carrier, by supplying a toner to the toner carrying means successively while making the quantity of charge of the toner different by plural toner supplying means to extend this gap. CONSTITUTION:When the first- the third sleeves 8, 8a, and 8b are rotated clockwise and a developing sleeve 5 is rotated counterclockwise, a toner 3 in a tank 4 is carried on respective sleeves clockwise by the magnetic action, and toner layers 14, 14a, and 14b on sleeves 8, 8a, and 8b are charged with quantities of charge different from one another by friction which is caused when the toner is scraped by tips of blades 10, 10a, and 10b, and these toner layers are carried onto the developing sleeve 5 to form a fairly thick toner layer 16. Consequently, the gap between a photosensitive drum 2 and the developing sleeve 5 is set to a longer value in accordance with the thickness of the toner layer 16.
JP56042693A 1981-03-24 1981-03-24 Developing method Pending JPS57157257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56042693A JPS57157257A (en) 1981-03-24 1981-03-24 Developing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56042693A JPS57157257A (en) 1981-03-24 1981-03-24 Developing method

Publications (1)

Publication Number Publication Date
JPS57157257A true JPS57157257A (en) 1982-09-28

Family

ID=12643119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56042693A Pending JPS57157257A (en) 1981-03-24 1981-03-24 Developing method

Country Status (1)

Country Link
JP (1) JPS57157257A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155670A (en) * 1984-08-27 1986-03-20 Fuji Xerox Co Ltd Developing device for nonmagnetic one-component developer
JPS6324567U (en) * 1986-07-30 1988-02-18
JP2012189843A (en) * 2011-03-11 2012-10-04 Oki Data Corp Image forming unit and image forming device
JP2012255954A (en) * 2011-06-10 2012-12-27 Oki Data Corp Developing device, image forming unit and image forming apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155670A (en) * 1984-08-27 1986-03-20 Fuji Xerox Co Ltd Developing device for nonmagnetic one-component developer
JPS6324567U (en) * 1986-07-30 1988-02-18
JP2012189843A (en) * 2011-03-11 2012-10-04 Oki Data Corp Image forming unit and image forming device
JP2012255954A (en) * 2011-06-10 2012-12-27 Oki Data Corp Developing device, image forming unit and image forming apparatus

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