DE69820136D1 - Nachweis für Toneraufbrauch in einem adaptiven elektrophotographischen Drucksystem - Google Patents
Nachweis für Toneraufbrauch in einem adaptiven elektrophotographischen DrucksystemInfo
- Publication number
- DE69820136D1 DE69820136D1 DE69820136T DE69820136T DE69820136D1 DE 69820136 D1 DE69820136 D1 DE 69820136D1 DE 69820136 T DE69820136 T DE 69820136T DE 69820136 T DE69820136 T DE 69820136T DE 69820136 D1 DE69820136 D1 DE 69820136D1
- Authority
- DE
- Germany
- Prior art keywords
- evidence
- adaptive
- printing system
- electrophotographic printing
- toner waste
- 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 - Fee Related
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
- G03G15/06—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
- G03G15/0856—Detection or control means for the developer level
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00025—Machine control, e.g. regulating different parts of the machine
- G03G2215/00029—Image density detection
- G03G2215/00033—Image density detection on recording member
- G03G2215/00037—Toner image detection
- G03G2215/00042—Optical detection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/810,317 US5815768A (en) | 1997-02-28 | 1997-02-28 | Detection of toner depletion in an electrophotographic printing system |
US810317 | 1997-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69820136D1 true DE69820136D1 (de) | 2004-01-15 |
DE69820136T2 DE69820136T2 (de) | 2004-11-11 |
Family
ID=25203576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69820136T Expired - Fee Related DE69820136T2 (de) | 1997-02-28 | 1998-01-19 | Nachweis für toneraufbrauch in einem adaptiven elektrophotographischen drucksystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5815768A (de) |
EP (1) | EP0863446B1 (de) |
JP (1) | JPH10239925A (de) |
DE (1) | DE69820136T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6631247B1 (en) * | 1999-09-29 | 2003-10-07 | Ricoh Co., Ltd. | Method and system for remote diagnostic, control and information collection based on various communication modes for sending messages to a resource manager |
US7031020B1 (en) * | 1994-04-22 | 2006-04-18 | Canon Kabushiki Kaisha | Image processing method, apparatus and controller |
US5899596A (en) * | 1998-05-29 | 1999-05-04 | Hewlett-Packard Company | Optimization of electrophotographic edge development |
US6494562B1 (en) | 1998-09-03 | 2002-12-17 | Hewlett-Packard Company | Method and apparatus for identifying a sales channel |
JP2002182457A (ja) * | 2000-12-11 | 2002-06-26 | Canon Inc | 現像装置および画像形成装置 |
US6456802B1 (en) | 2001-04-02 | 2002-09-24 | Hewlett-Packard Co. | Capacity determination for toner or ink cartridge |
US6977755B2 (en) * | 2001-09-20 | 2005-12-20 | Hewlett-Packard Development Company, L.P. | Toner advisor apparatus and method |
US20030086099A1 (en) * | 2001-11-02 | 2003-05-08 | Eastman Kodak Company | Calibration method for a printing apparatus using photosensitive media |
US6746094B1 (en) | 2002-10-30 | 2004-06-08 | Hewlett-Packard Development Company, L.P. | Imaging system and method of determining insufficient colorant |
US6744996B2 (en) | 2002-10-31 | 2004-06-01 | Samsung Electronics Co., Ltd. | Method of determining liquid toner depletion |
US7280779B2 (en) * | 2004-12-26 | 2007-10-09 | Hewlett-Packard Development Company, L.P. | Image banding compensation method |
US7970304B2 (en) * | 2008-12-12 | 2011-06-28 | Eastman Kodak Company | Method of improving developed flat field uniformity |
JP4947130B2 (ja) * | 2009-11-30 | 2012-06-06 | ブラザー工業株式会社 | 印刷装置 |
WO2016116116A1 (en) | 2015-01-23 | 2016-07-28 | Hewlett-Packard Indigo B.V. | Impeller blade for calibrating light sensor |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6188284A (ja) * | 1984-10-08 | 1986-05-06 | Ricoh Co Ltd | 画像形成装置におけるトナ−終了検知方法 |
JPS63228180A (ja) * | 1987-03-17 | 1988-09-22 | Minolta Camera Co Ltd | トナ−補給装置 |
JPS6425175A (en) * | 1987-07-22 | 1989-01-27 | Toshiba Corp | Toner concentration controller |
US4914459A (en) * | 1988-04-18 | 1990-04-03 | Ricoh Company, Ltd. | Image forming apparatus |
JPH0820806B2 (ja) * | 1990-03-19 | 1996-03-04 | 富士ゼロックス株式会社 | 現像装置のトナー空検知装置 |
JPH04250479A (ja) * | 1991-01-28 | 1992-09-07 | Ricoh Co Ltd | 画像濃度制御方法 |
JPH052305A (ja) * | 1991-06-26 | 1993-01-08 | Toshiba Corp | 画像形成装置 |
US5532794A (en) * | 1993-01-07 | 1996-07-02 | Sharp Kabushiki Kaisha | Electrophotographic image stabilization control apparatus |
JPH07181765A (ja) * | 1993-12-22 | 1995-07-21 | Minolta Co Ltd | 画像形成装置 |
JP3126611B2 (ja) * | 1993-12-28 | 2001-01-22 | キヤノン株式会社 | 画像形成装置 |
JPH0815929A (ja) * | 1994-06-30 | 1996-01-19 | Toshiba Corp | 画像形成装置 |
JP3581424B2 (ja) * | 1995-04-11 | 2004-10-27 | キヤノン株式会社 | 画像形成装置及びその制御方法 |
JP4263774B2 (ja) * | 1995-10-20 | 2009-05-13 | 富士ゼロックス株式会社 | 現像装置におけるトナー空検知装置 |
-
1997
- 1997-02-28 US US08/810,317 patent/US5815768A/en not_active Expired - Lifetime
-
1998
- 1998-01-19 EP EP98100860A patent/EP0863446B1/de not_active Expired - Lifetime
- 1998-01-19 DE DE69820136T patent/DE69820136T2/de not_active Expired - Fee Related
- 1998-02-18 JP JP10036215A patent/JPH10239925A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE69820136T2 (de) | 2004-11-11 |
EP0863446B1 (de) | 2003-12-03 |
JPH10239925A (ja) | 1998-09-11 |
EP0863446A1 (de) | 1998-09-09 |
US5815768A (en) | 1998-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |
|
8339 | Ceased/non-payment of the annual fee |