DE102005045526A1 - Entwicklungsvorrichtung und elektrophotographische Anlage und deren Verwendung - Google Patents
Entwicklungsvorrichtung und elektrophotographische Anlage und deren Verwendung Download PDFInfo
- Publication number
- DE102005045526A1 DE102005045526A1 DE102005045526A DE102005045526A DE102005045526A1 DE 102005045526 A1 DE102005045526 A1 DE 102005045526A1 DE 102005045526 A DE102005045526 A DE 102005045526A DE 102005045526 A DE102005045526 A DE 102005045526A DE 102005045526 A1 DE102005045526 A1 DE 102005045526A1
- Authority
- DE
- Germany
- Prior art keywords
- carrier
- photoconductor
- toner
- image
- developing rollers
- 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.)
- Ceased
Links
- 239000002245 particle Substances 0.000 title claims abstract description 22
- 230000005684 electric field Effects 0.000 claims description 15
- 239000011162 core material Substances 0.000 claims description 9
- 229910000859 α-Fe Inorganic materials 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000004898 kneading Methods 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 description 15
- 239000000969 carrier Substances 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 101001094044 Mus musculus Solute carrier family 26 member 6 Proteins 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
- G03G9/1139—Inorganic components of coatings
-
- 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
- G03G2215/0602—Developer
- G03G2215/0604—Developer solid type
- G03G2215/0607—Developer solid type two-component
- G03G2215/0609—Developer solid type two-component magnetic brush
-
- 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
- G03G2215/0634—Developing device
- G03G2215/0636—Specific type of dry developer device
- G03G2215/0648—Two or more donor members
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004276695A JP2006091425A (ja) | 2004-09-24 | 2004-09-24 | 現像装置及びそれを用いた電子写真装置 |
| JP2004/276695 | 2004-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102005045526A1 true DE102005045526A1 (de) | 2006-04-20 |
Family
ID=36120758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102005045526A Ceased DE102005045526A1 (de) | 2004-09-24 | 2005-09-23 | Entwicklungsvorrichtung und elektrophotographische Anlage und deren Verwendung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7574164B2 (https=) |
| JP (1) | JP2006091425A (https=) |
| DE (1) | DE102005045526A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008203624A (ja) * | 2007-02-21 | 2008-09-04 | Fuji Xerox Co Ltd | 静電荷像現像剤、プロセスカートリッジ及び画像形成装置 |
| WO2010016601A1 (ja) * | 2008-08-04 | 2010-02-11 | キヤノン株式会社 | 磁性キャリア、二成分系現像剤及び画像形成方法 |
| JP5412777B2 (ja) * | 2008-09-16 | 2014-02-12 | 株式会社リコー | 画像形成方法及び画像形成装置、並びにトナー |
| US8837992B2 (en) | 2010-09-10 | 2014-09-16 | Ricoh Company, Ltd. | Powder feeding device having negative pressure generation control and powder discharge control and image forming apparatus |
| JP6051642B2 (ja) * | 2012-07-19 | 2016-12-27 | 富士ゼロックス株式会社 | 現像装置及び画像形成装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0275636B1 (en) * | 1987-01-19 | 1993-07-21 | Canon Kabushiki Kaisha | Color toner and two-component developer containing same |
| JPH0762779B2 (ja) | 1987-03-16 | 1995-07-05 | キヤノン株式会社 | 現像方法 |
| US4873551A (en) | 1987-03-16 | 1989-10-10 | Canon Kabushiki Kaisha | Developing apparatus using magnetic carrier under AC field |
| JP2768078B2 (ja) | 1991-08-30 | 1998-06-25 | 富士ゼロックス株式会社 | 現像方法 |
| EP0617338B1 (en) * | 1993-03-25 | 1999-05-26 | Canon Kabushiki Kaisha | Carrier for use in electrophotography and two component-type developer containing the carrier |
| JP3029180B2 (ja) | 1993-05-20 | 2000-04-04 | キヤノン株式会社 | 電子写真用キャリア、二成分系現像剤及び画像形成方法 |
| JPH0762779A (ja) | 1993-08-23 | 1995-03-07 | Taisei Corp | 床開口部の構法 |
| DE69425624T2 (de) * | 1993-10-15 | 2001-04-26 | Canon K.K., Tokio/Tokyo | Trägermaterial für Elektrophotographie, Entwickler des zwei-komponenten Typs, und Bildherstellungsverfahren |
| JPH10232562A (ja) | 1997-02-21 | 1998-09-02 | Hitachi Koki Co Ltd | 画像形成装置 |
| US5923933A (en) * | 1997-02-21 | 1999-07-13 | Hitachi Koki Co., Ltd. | Electrophotographic apparatus |
| US6500595B1 (en) * | 1999-10-20 | 2002-12-31 | Ricoh Company, Ltd. | Carrier for electrophotographic developer, method for manufacturing the carrier, and coating liquid for the method |
| JP2001312103A (ja) | 2000-04-28 | 2001-11-09 | Dainippon Ink & Chem Inc | 電子写真用現像剤及びその製造方法 |
| JP3418604B2 (ja) | 2000-10-17 | 2003-06-23 | 花王株式会社 | 二成分現像方法 |
| US6813462B2 (en) * | 2002-01-28 | 2004-11-02 | Hitachi Printing Solutions, Ltd. | Electro-photographic developing unit |
| JP2004069807A (ja) | 2002-08-02 | 2004-03-04 | Ricoh Co Ltd | 現像装置及び画像形成装置 |
| JP2004151358A (ja) | 2002-10-30 | 2004-05-27 | Canon Inc | 画像形成装置 |
| US6993274B2 (en) * | 2002-11-14 | 2006-01-31 | Canon Kabushiki Kaisha | Developing apparatus with plural developer bearing members for each image bearing member |
-
2004
- 2004-09-24 JP JP2004276695A patent/JP2006091425A/ja active Pending
-
2005
- 2005-09-23 US US11/233,120 patent/US7574164B2/en not_active Expired - Fee Related
- 2005-09-23 DE DE102005045526A patent/DE102005045526A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006091425A (ja) | 2006-04-06 |
| US7574164B2 (en) | 2009-08-11 |
| US20070172262A1 (en) | 2007-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: RICOH COMPANY, LTD., TOKIO/TOKYO, JP |
|
| R002 | Refusal decision in examination/registration proceedings | ||
| R003 | Refusal decision now final |