CA2021273A1 - Commande de la station de transfert dans un appareil de reproduction electrophotographique - Google Patents
Commande de la station de transfert dans un appareil de reproduction electrophotographiqueInfo
- Publication number
- CA2021273A1 CA2021273A1 CA2021273A CA2021273A CA2021273A1 CA 2021273 A1 CA2021273 A1 CA 2021273A1 CA 2021273 A CA2021273 A CA 2021273A CA 2021273 A CA2021273 A CA 2021273A CA 2021273 A1 CA2021273 A1 CA 2021273A1
- Authority
- CA
- Canada
- Prior art keywords
- transfer station
- reproduction device
- photoconductor
- electrophotographic reproduction
- transfer
- 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.)
- Granted
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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
- G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
- G03G15/1645—Arrangements for controlling the amount of charge
-
- 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
- G03G21/06—Eliminating residual charges from a reusable imaging member
- G03G21/08—Eliminating residual charges from a reusable imaging member using optical radiation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US398,855 | 1989-08-24 | ||
US07/398,855 US5012293A (en) | 1989-08-24 | 1989-08-24 | Transfer station control in an electrophotographic reproduction device |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2021273A1 true CA2021273A1 (fr) | 1991-02-25 |
CA2021273C CA2021273C (fr) | 1994-10-04 |
Family
ID=23577058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002021273A Expired - Lifetime CA2021273C (fr) | 1989-08-24 | 1990-07-16 | Commande de la station de transfert dans un appareil de reproduction electrophotographique |
Country Status (5)
Country | Link |
---|---|
US (1) | US5012293A (fr) |
EP (1) | EP0414625B1 (fr) |
JP (1) | JPH0391785A (fr) |
CA (1) | CA2021273C (fr) |
DE (1) | DE69013279T2 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5200784A (en) * | 1989-02-25 | 1993-04-06 | Fujitsu Limited | Transferring device controlled for preventing the leading edge of a sheet from being excessively charged |
DE69027723T2 (de) * | 1989-09-07 | 1997-01-09 | Canon Kk | Bilddarstellungsgerät |
DE69030304T2 (de) * | 1989-12-27 | 1997-08-14 | Canon Kk | Bildaufzeichnungsgerät, welches Lichtstrahlen verwendet |
US5182598A (en) * | 1990-09-20 | 1993-01-26 | Minolta Camera Kabushiki Kaisha | Control means for a transfer charger in an image forming apparatus |
WO1992018912A1 (fr) * | 1991-04-12 | 1992-10-29 | Hitachi, Ltd. | Dispositif d'enregistrement electrophotographique |
EP0530491B1 (fr) * | 1991-08-02 | 1997-05-07 | Minolta Co., Ltd. | Appareil électrophotographique de formation d'images muni d'une unité de formation d'images amovible |
JPH05107957A (ja) * | 1991-10-15 | 1993-04-30 | Mita Ind Co Ltd | 画像形成装置 |
US5640658A (en) * | 1992-09-30 | 1997-06-17 | Canon Kabushiki Kaisha | Image forming apparatus capable of forming image on both surfaces of recording material |
US5655183A (en) * | 1994-12-14 | 1997-08-05 | Eastman Kodak Company | Image forming apparatus with a transfer station erase |
US5697015A (en) * | 1996-05-29 | 1997-12-09 | Lexmark International, Inc. | Electrophotographic apparatus and method for inhibiting charge over-transfer |
KR100191203B1 (ko) * | 1997-03-14 | 1999-06-15 | 윤종용 | 전자사진 현상방식을 채용한 화상형성장치의 전사 바이어스 제어방법 |
JPH1152761A (ja) * | 1997-07-29 | 1999-02-26 | Toshiba Corp | 画像形成装置 |
JP2000181156A (ja) * | 1998-12-18 | 2000-06-30 | Canon Inc | 画像形成装置 |
JP3569155B2 (ja) * | 1999-05-24 | 2004-09-22 | シャープ株式会社 | 画像形成装置 |
JP3862543B2 (ja) * | 2000-10-30 | 2006-12-27 | キヤノン株式会社 | 画像形成装置 |
US7403214B2 (en) * | 2006-02-21 | 2008-07-22 | Lexmark International, Inc. | Systems and methods for adjusting the dynamic range of a scanning laser beam |
US9778612B2 (en) * | 2015-04-30 | 2017-10-03 | Ricoh Company, Ltd. | Image forming apparatus including charge removing needle and light irradiator |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3851230A (en) * | 1972-06-09 | 1974-11-26 | Ricoh Kk | Electrostatic transfer-printing sheet stripping device |
JPS5616153A (en) * | 1979-07-18 | 1981-02-16 | Toshiba Corp | Transferring-discharging system of electronic copier |
US4341457A (en) * | 1979-09-13 | 1982-07-27 | Canon Kabushiki Kaisha | Electrophotographic apparatus including an electrostatic separation device |
JPS56155966A (en) * | 1980-05-06 | 1981-12-02 | Canon Inc | Electrophotographing method |
JPS6114670A (ja) * | 1984-06-30 | 1986-01-22 | Ricoh Co Ltd | 電子写真装置 |
JPS6153668A (ja) * | 1984-08-24 | 1986-03-17 | Canon Inc | 電子写真装置 |
JPS6249387A (ja) * | 1985-08-28 | 1987-03-04 | Matsushita Graphic Commun Syst Inc | 転写式画像形成装置 |
JPS62135864A (ja) * | 1985-12-09 | 1987-06-18 | Toshiba Corp | 画像形成装置 |
US4693593A (en) * | 1986-06-24 | 1987-09-15 | Eastman Kodak Company | Electrographic process control |
US4896192A (en) * | 1987-12-14 | 1990-01-23 | Minolta Camera Kabushiki Kaisha | Image forming apparatus |
JPH01201686A (ja) * | 1988-02-08 | 1989-08-14 | Ricoh Co Ltd | 画像形成装置 |
JPH0733591B2 (ja) * | 1993-03-04 | 1995-04-12 | 市郎 山崎 | 取水溝金具の電蝕防止装置 |
-
1989
- 1989-08-24 US US07/398,855 patent/US5012293A/en not_active Expired - Lifetime
-
1990
- 1990-07-16 CA CA002021273A patent/CA2021273C/fr not_active Expired - Lifetime
- 1990-07-18 DE DE69013279T patent/DE69013279T2/de not_active Expired - Fee Related
- 1990-07-18 JP JP2190346A patent/JPH0391785A/ja active Pending
- 1990-07-18 EP EP90480104A patent/EP0414625B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0414625A2 (fr) | 1991-02-27 |
DE69013279D1 (de) | 1994-11-17 |
EP0414625B1 (fr) | 1994-10-12 |
DE69013279T2 (de) | 1995-04-20 |
US5012293A (en) | 1991-04-30 |
EP0414625A3 (en) | 1991-09-11 |
JPH0391785A (ja) | 1991-04-17 |
CA2021273C (fr) | 1994-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |