CA1082448A - Developing system for electostatic reproduction machines - Google Patents
Developing system for electostatic reproduction machinesInfo
- Publication number
- CA1082448A CA1082448A CA243,132A CA243132A CA1082448A CA 1082448 A CA1082448 A CA 1082448A CA 243132 A CA243132 A CA 243132A CA 1082448 A CA1082448 A CA 1082448A
- Authority
- CA
- Canada
- Prior art keywords
- heater
- developing
- developing material
- humidity
- images
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 75
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000004044 response Effects 0.000 claims abstract description 7
- 238000011161 development Methods 0.000 claims description 15
- 230000006872 improvement Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 15
- 230000033458 reproduction Effects 0.000 description 13
- 230000018109 developmental process Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 9
- 239000011324 bead Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 108091008695 photoreceptors Proteins 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000026041 response to humidity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007723 transport mechanism Effects 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
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/558,596 US4027621A (en) | 1975-03-14 | 1975-03-14 | Developing system for electrostatic reproduction machines |
| US558,596 | 1975-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1082448A true CA1082448A (en) | 1980-07-29 |
Family
ID=24230168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,132A Expired CA1082448A (en) | 1975-03-14 | 1976-01-08 | Developing system for electostatic reproduction machines |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4027621A (enExample) |
| JP (1) | JPS5950984B2 (enExample) |
| CA (1) | CA1082448A (enExample) |
| DE (1) | DE2556144C2 (enExample) |
| FR (1) | FR2304107A1 (enExample) |
| GB (1) | GB1477985A (enExample) |
| NL (1) | NL7514597A (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535338A (en) * | 1978-09-01 | 1980-03-12 | Sharp Corp | Copying machine |
| JPS5535390A (en) * | 1978-09-05 | 1980-03-12 | Mita Ind Co Ltd | Heater control method for copier |
| US4282827A (en) * | 1979-09-12 | 1981-08-11 | Xerox Corporation | Development system |
| JPS5927565U (ja) * | 1982-08-11 | 1984-02-21 | コピア株式会社 | 複写機のトナ−濃度制御装置 |
| US4442790A (en) * | 1982-09-29 | 1984-04-17 | Eastman Kodak Company | Magnetic brush development apparatus |
| US4496644A (en) * | 1983-02-28 | 1985-01-29 | Eastman Kodak Company | Electric field adjustment for magnetic brushes |
| JPS61223867A (ja) * | 1985-03-29 | 1986-10-04 | Fuji Xerox Co Ltd | 電子写真複写機の現像装置 |
| US5701550A (en) * | 1996-03-22 | 1997-12-23 | Eastman Kodak Company | Method and apparatus for controlling charge on toner in a toning station |
| KR100189760B1 (ko) * | 1996-08-08 | 1999-06-01 | 윤종용 | 예열장치가 장착된 현상기 유니트 |
| US5890033A (en) * | 1997-11-03 | 1999-03-30 | Xerox Corporation | Developer housing heater using a centrally heated mixing auger |
| US6788904B2 (en) * | 2002-09-23 | 2004-09-07 | Xerox Corporation | Climate control system for developer material in a developer housing |
| US7157202B1 (en) * | 2003-09-23 | 2007-01-02 | Eastman Kodak Company | Method and apparatus for reducing densification of multiple component electrographic developer |
| JP4925738B2 (ja) * | 2006-06-16 | 2012-05-09 | 株式会社リコー | 画像形成装置 |
| JP5743506B2 (ja) | 2010-11-30 | 2015-07-01 | キヤノン株式会社 | 画像形成装置 |
| WO2020222795A1 (en) * | 2019-04-30 | 2020-11-05 | Hewlett-Packard Development Company, L.P. | Toner hopper heating device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2902974A (en) * | 1956-06-14 | 1959-09-08 | Ibm | Latent electrostatic image developing apparatus |
| US2919672A (en) * | 1956-11-30 | 1960-01-05 | Burroughs Corp | Electrographic inking powder moisture control |
| US3424131A (en) * | 1964-09-30 | 1969-01-28 | Xerox Corp | Electroded cascade development system |
| US3533168A (en) * | 1967-08-04 | 1970-10-13 | Mitsubishi Gas Chemical Co | Method of preventing the caking of finely divided solid materials during storage |
| US3634007A (en) * | 1969-10-02 | 1972-01-11 | Addressograph Multigraph | Conditioning equipment for the copy paper supply in copying machines |
| US3677632A (en) * | 1970-09-10 | 1972-07-18 | Eastman Kodak Co | Environment control device for electrophotographic apparatus |
| US3817616A (en) * | 1972-10-06 | 1974-06-18 | Xerox Corp | Thermal chamber for a developability regulating apparatus |
| US3814516A (en) * | 1973-05-07 | 1974-06-04 | Xerox Corp | Humidity compensated control device |
| US3848988A (en) * | 1973-06-11 | 1974-11-19 | Xerox Corp | Moisture control device |
-
1975
- 1975-03-14 US US05/558,596 patent/US4027621A/en not_active Expired - Lifetime
- 1975-10-29 GB GB4460975A patent/GB1477985A/en not_active Expired
- 1975-12-12 DE DE2556144A patent/DE2556144C2/de not_active Expired
- 1975-12-15 NL NL7514597A patent/NL7514597A/xx not_active Application Discontinuation
- 1975-12-29 JP JP50159774A patent/JPS5950984B2/ja not_active Expired
- 1975-12-31 FR FR7540328A patent/FR2304107A1/fr active Granted
-
1976
- 1976-01-08 CA CA243,132A patent/CA1082448A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2304107B1 (enExample) | 1982-09-03 |
| JPS51111340A (en) | 1976-10-01 |
| FR2304107A1 (fr) | 1976-10-08 |
| DE2556144C2 (de) | 1984-03-08 |
| US4027621A (en) | 1977-06-07 |
| JPS5950984B2 (ja) | 1984-12-11 |
| DE2556144A1 (de) | 1976-09-23 |
| GB1477985A (en) | 1977-06-29 |
| NL7514597A (nl) | 1976-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |