JPS60220375A - 現像装置 - Google Patents
現像装置Info
- Publication number
- JPS60220375A JPS60220375A JP7659084A JP7659084A JPS60220375A JP S60220375 A JPS60220375 A JP S60220375A JP 7659084 A JP7659084 A JP 7659084A JP 7659084 A JP7659084 A JP 7659084A JP S60220375 A JPS60220375 A JP S60220375A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- magnetic
- toner
- toner concentration
- detection
- 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
- 230000005291 magnetic effect Effects 0.000 claims abstract description 76
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 40
- 239000002245 particle Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 108091008695 photoreceptors Proteins 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 244000208060 Lawsonia inermis Species 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
-
- 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
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
- G03G15/0853—Detection or control means for the developer concentration the concentration being measured by magnetic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7659084A JPS60220375A (ja) | 1984-04-18 | 1984-04-18 | 現像装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7659084A JPS60220375A (ja) | 1984-04-18 | 1984-04-18 | 現像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60220375A true JPS60220375A (ja) | 1985-11-05 |
| JPH0418306B2 JPH0418306B2 (enrdf_load_stackoverflow) | 1992-03-27 |
Family
ID=13609517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7659084A Granted JPS60220375A (ja) | 1984-04-18 | 1984-04-18 | 現像装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60220375A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63170856U (enrdf_load_stackoverflow) * | 1987-04-27 | 1988-11-07 | ||
| US4868601A (en) * | 1987-02-25 | 1989-09-19 | Sharp Kabushiki Kaisha | Developing unit for electrophotography with toner sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5099552A (enrdf_load_stackoverflow) * | 1973-12-29 | 1975-08-07 | ||
| JPS51105829A (ja) * | 1975-03-14 | 1976-09-20 | Hitachi Metals Ltd | Jikiburashigenzoniokeru genzozairyo no sokuteihoho |
| JPS54153635A (en) * | 1978-05-25 | 1979-12-04 | Konishiroku Photo Ind Co Ltd | Detecting and controlling method of toner contents in developer and device for said method |
-
1984
- 1984-04-18 JP JP7659084A patent/JPS60220375A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5099552A (enrdf_load_stackoverflow) * | 1973-12-29 | 1975-08-07 | ||
| JPS51105829A (ja) * | 1975-03-14 | 1976-09-20 | Hitachi Metals Ltd | Jikiburashigenzoniokeru genzozairyo no sokuteihoho |
| JPS54153635A (en) * | 1978-05-25 | 1979-12-04 | Konishiroku Photo Ind Co Ltd | Detecting and controlling method of toner contents in developer and device for said method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4868601A (en) * | 1987-02-25 | 1989-09-19 | Sharp Kabushiki Kaisha | Developing unit for electrophotography with toner sensor |
| JPS63170856U (enrdf_load_stackoverflow) * | 1987-04-27 | 1988-11-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0418306B2 (enrdf_load_stackoverflow) | 1992-03-27 |
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