CA944011A - Copying system featuring alternate developing and cleaning of successive image areas on photoconductor - Google Patents
Copying system featuring alternate developing and cleaning of successive image areas on photoconductorInfo
- Publication number
- CA944011A CA944011A CA128,612A CA128612A CA944011A CA 944011 A CA944011 A CA 944011A CA 128612 A CA128612 A CA 128612A CA 944011 A CA944011 A CA 944011A
- Authority
- CA
- Canada
- Prior art keywords
- photoconductor
- alternate
- developing
- cleaning
- image areas
- 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
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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
- G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum
- G03G15/307—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum with more than one photoconductor revolution for each copying cycle
-
- 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
- G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
- G03G21/0047—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using electrostatic or magnetic means; Details thereof, e.g. magnetic pole arrangement of magnetic devices
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/0005—Cleaning of residual toner
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cleaning In Electrography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9426270A | 1970-12-02 | 1970-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA944011A true CA944011A (en) | 1974-03-19 |
Family
ID=22244095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA128,612A Expired CA944011A (en) | 1970-12-02 | 1971-11-26 | Copying system featuring alternate developing and cleaning of successive image areas on photoconductor |
Country Status (6)
Country | Link |
---|---|
US (1) | US3637306A (en) |
JP (1) | JPS5033863B1 (en) |
BE (1) | BE775464A (en) |
CA (1) | CA944011A (en) |
FR (1) | FR2117090A5 (en) |
IT (1) | IT940751B (en) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190464A (en) * | 1971-06-03 | 1980-02-26 | Canon Kabushiki Kaisha | Method for cleaning a photoconductive surface with liquid toner |
USRE29179E (en) * | 1971-12-17 | 1977-04-12 | International Business Machines Corporation | Reproduction apparatus incorporating alternate redevelopment and reimaging cycles for multiple copies |
BE792640A (en) * | 1971-12-17 | 1973-03-30 | Ibm | ELECTROSTATIC TRANSFER REPRODUCTION APPARATUS |
NL7305054A (en) * | 1972-04-13 | 1973-10-16 | ||
US3819262A (en) * | 1972-07-13 | 1974-06-25 | Scm Corp | Cleaning means for an overcoated photoconductive surface |
US3865080A (en) * | 1973-01-17 | 1975-02-11 | Xerox Corp | Toner pickoff apparatus |
NL177052C (en) * | 1973-12-17 | 1985-07-16 | Oce Van Der Grinten Nv | DEVICE FOR DEVELOPING AN ELECTROSTATIC CHARGE IMAGE ON A CARRIER. |
US3893416A (en) * | 1973-12-27 | 1975-07-08 | Xerox Corp | Development and cleaning apparatus for reverse path machine |
US4108658A (en) * | 1974-03-11 | 1978-08-22 | Oce-Van Der Grinten N.V. | Process for developing electrostatic latent images |
DE2424350C3 (en) * | 1974-05-20 | 1984-10-04 | Elfotec AG, Zumikon | Electrophotographic imaging method using magnetic one-component toner |
JPS6015943B2 (en) * | 1974-05-28 | 1985-04-23 | 株式会社リコー | electronic copying device |
JPS6034112B2 (en) * | 1975-11-11 | 1985-08-07 | 株式会社東芝 | How to clean an electrophotographic photoreceptor |
US4201465A (en) * | 1975-11-26 | 1980-05-06 | Ricoh Company, Ltd. | Drum cleaning process and apparatus for electrophotography |
JPS5289923A (en) * | 1976-01-23 | 1977-07-28 | Ricoh Co Ltd | Cleaning of remaining toner in electrophotographic copier |
DE2621912C3 (en) * | 1976-05-17 | 1979-06-07 | Elfotec Ag, Zumikon (Schweiz) | Process for developing an electric charge image on a reusable charge image carrier and for cleaning the reusable charge image carrier |
JPS5573075A (en) * | 1978-11-28 | 1980-06-02 | Ricoh Co Ltd | Electrophotographic copying apparatus |
US4264183A (en) * | 1979-06-04 | 1981-04-28 | Eastman Kodak Company | Duplex copying apparatus and method |
US4265998A (en) * | 1979-11-13 | 1981-05-05 | International Business Machines Corporation | Electrophotographic photoreceptive background areas cleaned by backcharge process |
JPS56146155A (en) * | 1980-04-15 | 1981-11-13 | Mita Ind Co Ltd | Electrostatic copying machine |
US4320958A (en) * | 1980-10-27 | 1982-03-23 | Xerox Corporation | Combined processing unit |
JPS57157279A (en) * | 1981-03-24 | 1982-09-28 | Mita Ind Co Ltd | Method for transfer type electrostatic copy |
US4465360A (en) * | 1981-03-31 | 1984-08-14 | Sharp Kabushiki Kaisha | Electrophotographic copying machine |
US4372669A (en) * | 1981-06-29 | 1983-02-08 | Xerox Corporation | Electrophotographic printing machine |
JPS5814873A (en) * | 1981-07-21 | 1983-01-27 | Mita Ind Co Ltd | Electrostatic copying machine |
JPS58121077A (en) * | 1982-01-14 | 1983-07-19 | Fuji Xerox Co Ltd | Electrophotographic device |
US4420242A (en) * | 1982-03-05 | 1983-12-13 | Hitachi Metals, Ltd. | Magnetic brush developing and cleaning process |
US4500198A (en) * | 1982-12-10 | 1985-02-19 | International Business Machines Corporation | Multiple roller magnetic brush developer having development electrode voltage switching |
US4572655A (en) * | 1983-07-25 | 1986-02-25 | Ricoh Systems, Inc. | Electrophotographic copying apparatus and method of use including electrostatic toner recycling procedure |
US4556308A (en) * | 1984-05-25 | 1985-12-03 | Xerox Corporation | Removable processing cartridge for electrostatographic reproducing apparatus |
US4544260A (en) * | 1984-05-25 | 1985-10-01 | Xerox Corporation | Removable processing cartridge for electrostatographic reproducing apparatus |
US4547064A (en) * | 1984-08-31 | 1985-10-15 | Xerox Corporation | Electrostatographic reproducing apparatus |
US4589759A (en) * | 1984-08-31 | 1986-05-20 | Xerox Corporation | Reproducing apparatus with optic scanning module |
US4616922A (en) * | 1985-04-05 | 1986-10-14 | Minnesota Mining And Manufacturing Company | Electrophotographic copying apparatus and process |
US4652114A (en) * | 1985-04-05 | 1987-03-24 | Minnesota Mining And Manufacturing Company | Electrophotographic copying apparatus and process |
US4814822A (en) * | 1987-06-08 | 1989-03-21 | Xerox Corporation | Method and apparatus for automatic "two-up" copying with intermediate latent image copiers |
US5229825A (en) * | 1991-12-02 | 1993-07-20 | Eastman Kodak Company | Magnetic brush laydown/pickup apparatus |
US7469119B2 (en) * | 2004-03-29 | 2008-12-23 | Eastman Kodak Company | Synchronous duplex printing systems with intermediate transfer members |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2874063A (en) * | 1953-03-23 | 1959-02-17 | Rca Corp | Electrostatic printing |
US2986442A (en) * | 1956-07-19 | 1961-05-30 | Century Geophysical Corp | Electrophotographic oscillograph for observing slow recurrent signals |
US2911330A (en) * | 1958-04-11 | 1959-11-03 | Haloid Xerox Inc | Magnetic brush cleaning |
US3580673A (en) * | 1968-08-26 | 1971-05-25 | Xerox Corp | Cleaning apparatus |
US3572923A (en) * | 1968-08-26 | 1971-03-30 | Xerox Corp | Cleaning method and apparatus for electrostatic copying machines |
-
1970
- 1970-12-02 US US94262A patent/US3637306A/en not_active Expired - Lifetime
-
1971
- 1971-10-19 JP JP46082204A patent/JPS5033863B1/ja active Pending
- 1971-11-04 FR FR7140196A patent/FR2117090A5/fr not_active Expired
- 1971-11-17 BE BE775464A patent/BE775464A/en unknown
- 1971-11-19 IT IT31317/71A patent/IT940751B/en active
- 1971-11-26 CA CA128,612A patent/CA944011A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5033863B1 (en) | 1975-11-04 |
BE775464A (en) | 1972-03-16 |
FR2117090A5 (en) | 1972-07-21 |
IT940751B (en) | 1973-02-20 |
US3637306A (en) | 1972-01-25 |
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