JPH0361947B2 - - Google Patents
Info
- Publication number
- JPH0361947B2 JPH0361947B2 JP57103769A JP10376982A JPH0361947B2 JP H0361947 B2 JPH0361947 B2 JP H0361947B2 JP 57103769 A JP57103769 A JP 57103769A JP 10376982 A JP10376982 A JP 10376982A JP H0361947 B2 JPH0361947 B2 JP H0361947B2
- Authority
- JP
- Japan
- Prior art keywords
- toner
- density
- image
- toner concentration
- developer
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 65
- 108091008695 photoreceptors Proteins 0.000 description 31
- PMYDPQQPEAYXKD-UHFFFAOYSA-N 3-hydroxy-n-naphthalen-2-ylnaphthalene-2-carboxamide Chemical compound C1=CC=CC2=CC(NC(=O)C3=CC4=CC=CC=C4C=C3O)=CC=C21 PMYDPQQPEAYXKD-UHFFFAOYSA-N 0.000 description 19
- 230000007423 decrease Effects 0.000 description 16
- 230000008859 change Effects 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 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
- G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
-
- 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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
- G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57103769A JPS58221869A (ja) | 1982-06-18 | 1982-06-18 | 記録装置における画像濃度制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57103769A JPS58221869A (ja) | 1982-06-18 | 1982-06-18 | 記録装置における画像濃度制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58221869A JPS58221869A (ja) | 1983-12-23 |
| JPH0361947B2 true JPH0361947B2 (en, 2012) | 1991-09-24 |
Family
ID=14362666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57103769A Granted JPS58221869A (ja) | 1982-06-18 | 1982-06-18 | 記録装置における画像濃度制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58221869A (en, 2012) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123178A (ja) * | 1984-07-12 | 1986-01-31 | Ricoh Co Ltd | トナ−補給装置 |
| JPS63186281A (ja) * | 1987-01-28 | 1988-08-01 | Minolta Camera Co Ltd | トナ−濃度制御装置 |
| JPH0234877A (ja) * | 1988-04-01 | 1990-02-05 | Ricoh Co Ltd | 静電潜像現像のトナー濃度制御装置 |
| US4829336A (en) * | 1988-04-18 | 1989-05-09 | International Business Machines Corporation | Toner concentration control method and apparatus |
| JP2967994B2 (ja) * | 1989-03-28 | 1999-10-25 | 株式会社リコー | 画像形成装置の画像濃度制御方法 |
| JPH02262682A (ja) * | 1989-04-03 | 1990-10-25 | Ricoh Co Ltd | 複写機等における画像濃度制御方法 |
| JP2890487B2 (ja) * | 1989-06-23 | 1999-05-17 | ミノルタ株式会社 | 画像制御装置 |
| JPH10207190A (ja) * | 1997-01-28 | 1998-08-07 | Minolta Co Ltd | 画像濃度調整方法 |
| JPH11167230A (ja) * | 1997-12-04 | 1999-06-22 | Minolta Co Ltd | 画像形成装置及びその画像濃度調整方法 |
-
1982
- 1982-06-18 JP JP57103769A patent/JPS58221869A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58221869A (ja) | 1983-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5272503A (en) | Replaceable sub-assemblies for electrostatographic reproducing machines | |
| EP0029508B1 (en) | Xerographic copier including developed image density control | |
| US4777512A (en) | Image forming apparatus with delay during toner replenishment | |
| US6654568B2 (en) | Image forming apparatus, image bearing member life detecting method, and process cartridge detachably attachable to image forming apparatus | |
| JP3754980B2 (ja) | 画像形成装置群 | |
| KR101427239B1 (ko) | 화상형성장치 및 그의 속도비 제어방법 | |
| EP0532308A2 (en) | Replaceable sub-assemblies for electrostatographic reproducing machines | |
| JPH0361947B2 (en, 2012) | ||
| JP4056216B2 (ja) | 画像形成装置 | |
| JP4566346B2 (ja) | 画像形成装置 | |
| JP2927656B2 (ja) | 現像装置 | |
| JPH03161782A (ja) | 画像形成装置 | |
| JPH07175280A (ja) | 画像形成装置 | |
| JP2007279511A (ja) | 画像形成装置 | |
| JP2574155B2 (ja) | 画像形成装置 | |
| JP3067182B2 (ja) | 画像濃度制御方法 | |
| JP2005157124A (ja) | 画像形成装置、画像形成装置の制御方法及びプロセスカートリッジ | |
| JP2917569B2 (ja) | 光学式トナー濃度検出方法 | |
| JP3316659B2 (ja) | 電子写真装置 | |
| JPS6049362A (ja) | 電子写真装置 | |
| JPH1048960A (ja) | 湿式画像形成装置 | |
| JP2004163457A (ja) | 画像形成装置の制御方法 | |
| JP2006145951A (ja) | 画像形成装置 | |
| JP2021043360A (ja) | 画像形成装置 | |
| JPS6352159A (ja) | 画像形成装置 |