JP7517424B2 - 現像装置およびこれを備えた画像形成装置 - Google Patents

現像装置およびこれを備えた画像形成装置 Download PDF

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Publication number
JP7517424B2
JP7517424B2 JP2022536347A JP2022536347A JP7517424B2 JP 7517424 B2 JP7517424 B2 JP 7517424B2 JP 2022536347 A JP2022536347 A JP 2022536347A JP 2022536347 A JP2022536347 A JP 2022536347A JP 7517424 B2 JP7517424 B2 JP 7517424B2
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Japan
Prior art keywords
developing roller
developing
toner
roller
layer thickness
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JP2022536347A
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English (en)
Japanese (ja)
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JPWO2022014534A5 (enExample
JPWO2022014534A1 (enExample
Inventor
宜宏 前澤
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.)
Kyocera Document Solutions Inc
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Kyocera Document Solutions Inc
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Application filed by Kyocera Document Solutions Inc filed Critical Kyocera Document Solutions Inc
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    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • 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
    • G03G15/095—Removing excess solid developer, e.g. fog preventing
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
    • G03G15/2028—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with means for handling the copy material in the fixing nip, e.g. introduction guides, stripping means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0088—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge removing liquid developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
    • G03G2215/025—Arrangements for laying down a uniform charge by contact, friction or induction using contact charging means having lateral dimensions related to other apparatus means, e.g. photodrum, developing roller
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0805—Cleaning blade adjacent to the donor member
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0855—Materials and manufacturing of the developing device
    • G03G2215/0866—Metering member

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP2022536347A 2020-07-17 2021-07-12 現像装置およびこれを備えた画像形成装置 Active JP7517424B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020123084 2020-07-17
JP2020123084 2020-07-17
PCT/JP2021/026152 WO2022014534A1 (ja) 2020-07-17 2021-07-12 現像装置およびこれを備えた画像形成装置

Publications (3)

Publication Number Publication Date
JPWO2022014534A1 JPWO2022014534A1 (enExample) 2022-01-20
JPWO2022014534A5 JPWO2022014534A5 (enExample) 2023-03-27
JP7517424B2 true JP7517424B2 (ja) 2024-07-17

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JP2022536347A Active JP7517424B2 (ja) 2020-07-17 2021-07-12 現像装置およびこれを備えた画像形成装置

Country Status (4)

Country Link
US (1) US20230266694A1 (enExample)
JP (1) JP7517424B2 (enExample)
CN (1) CN116134384A (enExample)
WO (1) WO2022014534A1 (enExample)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004246392A (ja) 2004-05-21 2004-09-02 Fujitsu Ltd 現像装置及び画像形成装置
JP2007248490A (ja) 2006-03-13 2007-09-27 Oki Data Corp 画像形成ユニット及び画像形成装置
JP2010033003A (ja) 2008-07-02 2010-02-12 Ricoh Co Ltd 現像装置、プロセスカートリッジおよび画像形成装置
JP2010276948A (ja) 2009-05-29 2010-12-09 Kyocera Mita Corp 静電潜像現像用トナー及び静電潜像現像剤
JP2014010215A (ja) 2012-06-28 2014-01-20 Oki Data Corp 画像形成ユニット及び画像形成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001060037A (ja) * 1995-09-12 2001-03-06 Brother Ind Ltd 画像形成装置
JP4256439B2 (ja) * 2006-08-01 2009-04-22 シャープ株式会社 凝集粒子の製造方法
US9201336B2 (en) * 2012-02-13 2015-12-01 Ricoh Company, Ltd. Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with toner
US10036976B2 (en) * 2015-12-17 2018-07-31 Ricoh Company, Ltd. Developing device, and image forming apparatus and process unit incorporating same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004246392A (ja) 2004-05-21 2004-09-02 Fujitsu Ltd 現像装置及び画像形成装置
JP2007248490A (ja) 2006-03-13 2007-09-27 Oki Data Corp 画像形成ユニット及び画像形成装置
JP2010033003A (ja) 2008-07-02 2010-02-12 Ricoh Co Ltd 現像装置、プロセスカートリッジおよび画像形成装置
JP2010276948A (ja) 2009-05-29 2010-12-09 Kyocera Mita Corp 静電潜像現像用トナー及び静電潜像現像剤
JP2014010215A (ja) 2012-06-28 2014-01-20 Oki Data Corp 画像形成ユニット及び画像形成装置

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Publication number Publication date
WO2022014534A1 (ja) 2022-01-20
US20230266694A1 (en) 2023-08-24
CN116134384A (zh) 2023-05-16
JPWO2022014534A1 (enExample) 2022-01-20

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