CA1103745A - Electrophotographic apparatus - Google Patents
Electrophotographic apparatusInfo
- Publication number
- CA1103745A CA1103745A CA265,401A CA265401A CA1103745A CA 1103745 A CA1103745 A CA 1103745A CA 265401 A CA265401 A CA 265401A CA 1103745 A CA1103745 A CA 1103745A
- Authority
- CA
- Canada
- Prior art keywords
- polarity
- drum
- photoconductive
- exposing
- charging
- 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
- 230000005291 magnetic effect Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 7
- FKNIDKXOANSRCS-UHFFFAOYSA-N 2,3,4-trinitrofluoren-1-one Chemical compound C1=CC=C2C3=C([N+](=O)[O-])C([N+]([O-])=O)=C([N+]([O-])=O)C(=O)C3=CC2=C1 FKNIDKXOANSRCS-UHFFFAOYSA-N 0.000 claims description 5
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 claims 3
- 239000002344 surface layer Substances 0.000 claims 3
- 238000011161 development Methods 0.000 abstract description 15
- 238000012546 transfer Methods 0.000 abstract description 11
- 230000018109 developmental process Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 3
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten 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
- G03G15/22—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
-
- 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)
- Control Or Security For Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50135443A JPS6034112B2 (ja) | 1975-11-11 | 1975-11-11 | 電子写真感光体の清掃方法 |
| JP135443/75 | 1975-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1103745A true CA1103745A (en) | 1981-06-23 |
Family
ID=15151829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA265,401A Expired CA1103745A (en) | 1975-11-11 | 1976-11-10 | Electrophotographic apparatus |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4205912A (enExample) |
| JP (1) | JPS6034112B2 (enExample) |
| AU (1) | AU504083B2 (enExample) |
| CA (1) | CA1103745A (enExample) |
| DE (1) | DE2651310C2 (enExample) |
| FR (1) | FR2331821A1 (enExample) |
| GB (1) | GB1527441A (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5911909B2 (ja) * | 1979-02-20 | 1984-03-19 | コニカ株式会社 | 電子写真複写装置 |
| JPS55147651A (en) * | 1979-05-07 | 1980-11-17 | Ricoh Co Ltd | Electrophotographic apparatus |
| GB2058400B (en) * | 1979-07-16 | 1983-12-07 | Canon Kk | Electrophotographic image forming apparatus |
| US4320958A (en) * | 1980-10-27 | 1982-03-23 | Xerox Corporation | Combined processing unit |
| JPS57142673A (en) * | 1981-02-27 | 1982-09-03 | Sharp Corp | Cleaning method |
| JPS5993481A (ja) * | 1982-11-18 | 1984-05-29 | Sharp Corp | 電子写真複写装置 |
| US4500198A (en) * | 1982-12-10 | 1985-02-19 | International Business Machines Corporation | Multiple roller magnetic brush developer having development electrode voltage switching |
| US4682879A (en) * | 1984-07-31 | 1987-07-28 | Sharp Kabushiki Kaisha | Electrophotographic copier |
| US4962408A (en) * | 1987-04-23 | 1990-10-09 | Sharp Kabushiki Kaisha | Device for removing defective developer agent from a developing unit of an image formation apparatus |
| US4804999A (en) * | 1987-10-16 | 1989-02-14 | Xerox Corporation | Mag brush cleaner erase light |
| JPH01219881A (ja) * | 1988-02-29 | 1989-09-01 | Alps Electric Co Ltd | クリーニング方法及び装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US28566A (en) * | 1860-06-05 | ehrman | ||
| US3580673A (en) * | 1968-08-26 | 1971-05-25 | Xerox Corp | Cleaning apparatus |
| USRE28566E (en) * | 1968-08-26 | 1975-10-07 | Cleaning apparatus | |
| US3838921A (en) * | 1969-02-27 | 1974-10-01 | Addressograph Multigraph | Photoelectrostatic copying apparatus |
| JPS4917529B1 (enExample) * | 1970-08-11 | 1974-05-01 | ||
| US3647293A (en) * | 1970-12-01 | 1972-03-07 | Ibm | Copying system featuring combined developing-cleaning station alternately activated |
| US3637306A (en) * | 1970-12-02 | 1972-01-25 | Ibm | Copying system featuring alternate developing and cleaning of successive image areas on photoconductor |
| US3918808A (en) * | 1972-12-21 | 1975-11-11 | Ricoh Kk | Photoreceptor cleaning device for electrophotographic copying apparatus of the dry cleaning agent type |
| US3879785A (en) * | 1973-04-27 | 1975-04-29 | Xerox Corp | Cleaning apparatus |
| JPS5830585B2 (ja) * | 1973-04-30 | 1983-06-30 | 株式会社リコー | デンシシヤシンフクシヤキ ニ オケル カンコウタイ ノ クリ−ニングホウホウ |
| US3862420A (en) * | 1973-11-01 | 1975-01-21 | Ibm | System to prevent the formation of particulate material in corona units |
| JPS6015943B2 (ja) * | 1974-05-28 | 1985-04-23 | 株式会社リコー | 電子複写装置 |
-
1975
- 1975-11-11 JP JP50135443A patent/JPS6034112B2/ja not_active Expired
-
1976
- 1976-11-08 US US05/739,949 patent/US4205912A/en not_active Expired - Lifetime
- 1976-11-08 AU AU19384/76A patent/AU504083B2/en not_active Expired
- 1976-11-10 CA CA265,401A patent/CA1103745A/en not_active Expired
- 1976-11-10 DE DE2651310A patent/DE2651310C2/de not_active Expired
- 1976-11-10 FR FR7634003A patent/FR2331821A1/fr active Granted
- 1976-11-11 GB GB47050/76A patent/GB1527441A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2331821B1 (enExample) | 1980-10-10 |
| AU1938476A (en) | 1978-05-18 |
| FR2331821A1 (fr) | 1977-06-10 |
| DE2651310A1 (de) | 1977-05-18 |
| DE2651310C2 (de) | 1982-03-11 |
| JPS6034112B2 (ja) | 1985-08-07 |
| JPS5258931A (en) | 1977-05-14 |
| AU504083B2 (en) | 1979-10-04 |
| US4205912A (en) | 1980-06-03 |
| GB1527441A (en) | 1978-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |