JPH03105861U - - Google Patents
Info
- Publication number
- JPH03105861U JPH03105861U JP1990014836U JP1483690U JPH03105861U JP H03105861 U JPH03105861 U JP H03105861U JP 1990014836 U JP1990014836 U JP 1990014836U JP 1483690 U JP1483690 U JP 1483690U JP H03105861 U JPH03105861 U JP H03105861U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- detection device
- output
- page number
- number counter
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990014836U JPH03105861U (US20070167544A1-20070719-C00007.png) | 1990-02-16 | 1990-02-16 | |
US07/654,892 US5162848A (en) | 1990-02-16 | 1991-02-13 | Toner empty detecting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990014836U JPH03105861U (US20070167544A1-20070719-C00007.png) | 1990-02-16 | 1990-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03105861U true JPH03105861U (US20070167544A1-20070719-C00007.png) | 1991-11-01 |
Family
ID=11872121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990014836U Pending JPH03105861U (US20070167544A1-20070719-C00007.png) | 1990-02-16 | 1990-02-16 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5162848A (US20070167544A1-20070719-C00007.png) |
JP (1) | JPH03105861U (US20070167544A1-20070719-C00007.png) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0812508B2 (ja) * | 1991-11-11 | 1996-02-07 | 富士通株式会社 | トナー補給制御方法 |
JPH05165282A (ja) * | 1991-12-12 | 1993-07-02 | Canon Inc | 画像形成装置 |
US5428427A (en) * | 1992-12-14 | 1995-06-27 | Samsung Electronics Co., Ltd. | Device for detecting toner used in an electrophotography machine |
JP3116697B2 (ja) * | 1993-12-20 | 2000-12-11 | 富士ゼロックス株式会社 | 画像形成装置の異常検出装置 |
JPH07199636A (ja) * | 1993-12-28 | 1995-08-04 | Fujitsu Ltd | トナーの残量検出装置 |
US5923917A (en) | 1995-10-25 | 1999-07-13 | Canon Kabushiki Kaisha | Image forming apparatus, and a cartridge having a developer container detachably mountable on such apparatus |
US5995774A (en) * | 1998-09-11 | 1999-11-30 | Lexmark International, Inc. | Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge |
US6381421B1 (en) * | 2000-09-19 | 2002-04-30 | Toshiba Tec Kabushiki Kaisha | Image forming apparatus having improved developer filling capability |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6444472A (en) * | 1987-08-12 | 1989-02-16 | Fujitsu Ltd | Toner empty detecting method for developing device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54126552A (en) * | 1978-03-24 | 1979-10-01 | Ricoh Co Ltd | Toner replenishing device for developing of copying machines and others |
DE3531775A1 (de) * | 1984-09-10 | 1986-03-27 | Sharp K.K., Osaka | Fotokopiergeraet |
US4742372A (en) * | 1985-08-09 | 1988-05-03 | Mita Industrial Co., Ltd. | Toner detection method and device for copying machines |
JPS62106481A (ja) * | 1985-11-01 | 1987-05-16 | Fujitsu Ltd | 印刷濃度制御方式 |
JPS62123664U (US20070167544A1-20070719-C00007.png) * | 1986-01-28 | 1987-08-06 | ||
JPS63228180A (ja) * | 1987-03-17 | 1988-09-22 | Minolta Camera Co Ltd | トナ−補給装置 |
JP2670050B2 (ja) * | 1987-07-21 | 1997-10-29 | 株式会社リコー | 複写機の制御方法 |
JP2882529B2 (ja) * | 1988-12-05 | 1999-04-12 | 株式会社リコー | 画像形成装置 |
-
1990
- 1990-02-16 JP JP1990014836U patent/JPH03105861U/ja active Pending
-
1991
- 1991-02-13 US US07/654,892 patent/US5162848A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6444472A (en) * | 1987-08-12 | 1989-02-16 | Fujitsu Ltd | Toner empty detecting method for developing device |
Also Published As
Publication number | Publication date |
---|---|
US5162848A (en) | 1992-11-10 |