CA1070572A - Prevention of toner deposition at end of copying in an auto bias developing process and apparatus - Google Patents
Prevention of toner deposition at end of copying in an auto bias developing process and apparatusInfo
- Publication number
- CA1070572A CA1070572A CA262,350A CA262350A CA1070572A CA 1070572 A CA1070572 A CA 1070572A CA 262350 A CA262350 A CA 262350A CA 1070572 A CA1070572 A CA 1070572A
- Authority
- CA
- Canada
- Prior art keywords
- potential
- developing
- photosensitive member
- developing electrode
- toner
- 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
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 22
- 230000008021 deposition Effects 0.000 title description 5
- 230000002265 prevention Effects 0.000 title 1
- 238000005513 bias potential Methods 0.000 claims abstract description 47
- 230000003405 preventing effect Effects 0.000 claims abstract description 16
- 238000007667 floating Methods 0.000 claims abstract description 15
- 238000009877 rendering Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000006872 improvement Effects 0.000 claims description 7
- 230000000875 corresponding effect Effects 0.000 claims 2
- 230000003334 potential effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 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 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
- G03G15/065—Arrangements for controlling the potential of the developing electrode
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing For Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Wet Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50119049A JPS5815789B2 (ja) | 1975-10-01 | 1975-10-01 | デンシシヤシンフクシヤキニオケル オ−トバイアスゲンゾウホウホウ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1070572A true CA1070572A (en) | 1980-01-29 |
Family
ID=14751632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA262,350A Expired CA1070572A (en) | 1975-10-01 | 1976-09-30 | Prevention of toner deposition at end of copying in an auto bias developing process and apparatus |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4168329A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS5815789B2 (cg-RX-API-DMAC10.html) |
| CA (1) | CA1070572A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2644529C3 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2326727A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1561796A (cg-RX-API-DMAC10.html) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552270A (en) * | 1978-06-21 | 1980-01-09 | Ricoh Co Ltd | Bias device of copying machine |
| DE2836837A1 (de) * | 1978-08-23 | 1980-03-06 | Agfa Gevaert Ag | Verfahren zur elektrofotografischen entwicklung von elektronenradiografischen folien, und vorrichtung zur durchfuehrung des verfahrens |
| DE2847315A1 (de) * | 1978-10-31 | 1980-05-14 | Agfa Gevaert Ag | Verfahren zum elektrophoretischen entwickeln elektrostatisch aufgeladener aufzeichnungstraeger sowie vorrichtung zur durchfuehrung des verfahrens |
| DE3025103A1 (de) * | 1980-07-02 | 1982-01-21 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum austausch von in einer entwicklerstation befindlichem entwickler |
| JPS5723634A (en) * | 1980-07-17 | 1982-02-06 | Tokuyama Soda Co Ltd | Discharge treating apparatus of plastic film |
| JPS5838969A (ja) * | 1981-09-02 | 1983-03-07 | Konishiroku Photo Ind Co Ltd | 電子写真複写機 |
| US4669859A (en) * | 1982-03-23 | 1987-06-02 | Ricoh Company, Ltd. | Developing device |
| JPH07122767B2 (ja) * | 1984-06-14 | 1995-12-25 | 株式会社リコー | 現像装置 |
| JPS63103043A (ja) * | 1986-10-18 | 1988-05-07 | Kobe Steel Ltd | ＴｉまたはＴｉ合金板材 |
| US5025290A (en) * | 1987-03-05 | 1991-06-18 | Savin Corporation | Pulsed voltage development electrode cleaner |
| US5220384A (en) * | 1988-11-21 | 1993-06-15 | Spectrum Sciences B.V. | Liquid developer based imaging machine using a developing electrode |
| US5036365A (en) * | 1988-11-21 | 1991-07-30 | Benzion Landa | Field assisted filter and electrophotographic copying machine using the same |
| JPH03156482A (ja) * | 1989-11-15 | 1991-07-04 | Seikosha Co Ltd | 磁気記録装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU468036B2 (en) * | 1970-07-23 | 1975-12-18 | Eastman Kodak Company | Bias control of electrographic development electrode |
| US3877413A (en) * | 1973-06-18 | 1975-04-15 | Eastman Kodak Co | Auto bias control apparatus |
| US4025184A (en) * | 1974-01-21 | 1977-05-24 | Ricoh Co., Ltd. | Developing electrode contamination prevention system for electrophotography |
| US3892481A (en) * | 1974-06-17 | 1975-07-01 | Savin Business Machines Corp | Automatic development electrode bias control system |
| US3981267A (en) * | 1975-05-20 | 1976-09-21 | Savin Business Machines Corporation | Electrophotographic liquid developing system |
-
1975
- 1975-10-01 JP JP50119049A patent/JPS5815789B2/ja not_active Expired
-
1976
- 1976-09-23 US US05/725,877 patent/US4168329A/en not_active Expired - Lifetime
- 1976-09-29 GB GB40331/76A patent/GB1561796A/en not_active Expired
- 1976-09-30 CA CA262,350A patent/CA1070572A/en not_active Expired
- 1976-09-30 FR FR7629382A patent/FR2326727A1/fr active Granted
- 1976-10-01 DE DE2644529A patent/DE2644529C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2644529A1 (de) | 1977-04-07 |
| US4168329A (en) | 1979-09-18 |
| JPS5242729A (en) | 1977-04-02 |
| FR2326727A1 (fr) | 1977-04-29 |
| GB1561796A (en) | 1980-03-05 |
| DE2644529C3 (de) | 1980-04-17 |
| FR2326727B1 (cg-RX-API-DMAC10.html) | 1982-09-10 |
| DE2644529B2 (de) | 1979-08-02 |
| JPS5815789B2 (ja) | 1983-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |