JP2006220889A5 - - Google Patents

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Publication number
JP2006220889A5
JP2006220889A5 JP2005033919A JP2005033919A JP2006220889A5 JP 2006220889 A5 JP2006220889 A5 JP 2006220889A5 JP 2005033919 A JP2005033919 A JP 2005033919A JP 2005033919 A JP2005033919 A JP 2005033919A JP 2006220889 A5 JP2006220889 A5 JP 2006220889A5
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JP
Japan
Prior art keywords
container
light
liquid toner
toner concentration
reflecting
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.)
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Application number
JP2005033919A
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Japanese (ja)
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JP4671021B2 (en
JP2006220889A (en
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Publication date
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Priority to JP2005033919A priority Critical patent/JP4671021B2/en
Priority claimed from JP2005033919A external-priority patent/JP4671021B2/en
Priority to US11/349,740 priority patent/US7444093B2/en
Publication of JP2006220889A publication Critical patent/JP2006220889A/en
Publication of JP2006220889A5 publication Critical patent/JP2006220889A5/ja
Priority to US12/233,519 priority patent/US7729627B2/en
Application granted granted Critical
Publication of JP4671021B2 publication Critical patent/JP4671021B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (6)

液体トナーが収容される容器と、前記容器に配された光透過窓と、前記容器内で表面が移動するとともに前記光透過窓からの光を反射させる反射手段と、前記容器外に配された前記反射手段からの光を受光する受光手段と、前記受光手段により検知された光量により前記液体トナーの濃度を検出するトナー濃度検出手段と、を有することを特徴とする液体トナー濃度検出装置。A container for storing liquid toner; a light transmission window disposed in the container; a reflecting means for moving a surface within the container and reflecting light from the light transmission window; and disposed outside the container. A liquid toner concentration detection apparatus comprising: a light receiving unit that receives light from the reflection unit; and a toner concentration detection unit that detects the concentration of the liquid toner based on a light amount detected by the light receiving unit. 前記反射手段に、前記容器の内壁面を摺接する摺接部材を設ける請求項１に記載の液体トナー濃度検出装置。The liquid toner concentration detection device according to claim 1, wherein the reflection means is provided with a sliding contact member that slides on an inner wall surface of the container. 前記反射手段が、前記容器内の液体トナーを攪拌する攪拌手段である請求項１または２に記載の液体トナー濃度検出装置。The liquid toner concentration detection apparatus according to claim 1, wherein the reflection unit is a stirring unit that stirs the liquid toner in the container. 前記攪拌手段は、攪拌板と攪拌ローラとを含んで構成されるとともに、前記攪拌板と前記攪拌ローラとが回転したときに前記攪拌板と前記攪拌ローラとが前記光透過窓と対向する請求項３に記載の液体トナー濃度検出装置。The stirring means includes a stirring plate and a stirring roller, and the stirring plate and the stirring roller face the light transmission window when the stirring plate and the stirring roller rotate. 4. The liquid toner concentration detection device according to 3. 感光体と、A photoreceptor,
液体トナーが収容される容器と、  A container for storing liquid toner;
前記容器に配された透明窓と、  A transparent window disposed in the container;
前記容器外に配された発光手段、前記容器内で表面が移動するとともに前記発光手段からの光を反射させる反射手段、前記容器外に配された前記反射手段からの光を受光する受光手段および前記受光手段により検知された光量により前記液体トナーの濃度を検出するトナー濃度検出手段を有する液体トナー濃度検出装置と、  A light emitting means disposed outside the container; a reflecting means whose surface moves within the container and reflects light from the light emitting means; a light receiving means for receiving light from the reflecting means disposed outside the container; A liquid toner concentration detecting device having toner concentration detecting means for detecting the concentration of the liquid toner based on the amount of light detected by the light receiving means;
を有することを特徴とする画像形成装置。  An image forming apparatus comprising: 液体トナーが収容される容器と、前記容器に配された透明窓と、前記容器外に配された発光手段と、前記容器内で表面が移動するとともに前記発光手段からの光を反射させる反射手段と、前記容器外に配された前記反射手段からの光を受光する受光手段と、を有する画像形成装置を用いた画像形成方法であって、A container for storing liquid toner, a transparent window disposed in the container, a light emitting means disposed outside the container, and a reflecting means for reflecting the light from the light emitting means while the surface moves within the container. And an image forming method using an image forming apparatus having light receiving means for receiving light from the reflecting means arranged outside the container,
前記反射手段からの光を前記受光手段により受光する工程と、  Receiving light from the reflecting means by the light receiving means;
前記受光手段により受光された光を信号に変換する工程と、  Converting light received by the light receiving means into a signal;
変換された信号と予め定められた値とを比較する工程と、  Comparing the converted signal with a predetermined value;
比較された結果により前記容器中に収容されている液体トナーの濃度を判別する工程と、  Determining the concentration of the liquid toner contained in the container according to the comparison result;
判別結果により前記容器中の液体トナー濃度を調整する工程と、  Adjusting the liquid toner concentration in the container according to the determination result;
を有することを特徴とする液体トナー濃度の濃度制御方法。  A liquid toner concentration control method comprising the steps of:
JP2005033919A 2005-02-10 2005-02-10 Liquid toner concentration detection apparatus and image forming apparatus using the same Expired - Fee Related JP4671021B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005033919A JP4671021B2 (en) 2005-02-10 2005-02-10 Liquid toner concentration detection apparatus and image forming apparatus using the same
US11/349,740 US7444093B2 (en) 2005-02-10 2006-02-08 Liquid toner concentration detecting device and method with window in toner container for light passage
US12/233,519 US7729627B2 (en) 2005-02-10 2008-09-18 Image forming apparatus that detects concentration of liquid toner using light reflected through liquid toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005033919A JP4671021B2 (en) 2005-02-10 2005-02-10 Liquid toner concentration detection apparatus and image forming apparatus using the same

Publications (3)

Publication Number Publication Date
JP2006220889A JP2006220889A (en) 2006-08-24
JP2006220889A5 true JP2006220889A5 (en) 2008-03-13
JP4671021B2 JP4671021B2 (en) 2011-04-13

Family

ID=36983260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005033919A Expired - Fee Related JP4671021B2 (en) 2005-02-10 2005-02-10 Liquid toner concentration detection apparatus and image forming apparatus using the same

Country Status (1)

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JP (1) JP4671021B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012102245A1 (en) * 2011-01-26 2012-08-02 三菱重工印刷紙工機械株式会社 Toner supplying device and electrophotographic printing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233734A (en) * 1975-09-10 1977-03-15 Canon Inc Device for detecting and controlling density
JPS6080879A (en) * 1983-10-08 1985-05-08 Olympus Optical Co Ltd Detection of developer density
JPH01111258U (en) * 1988-01-20 1989-07-26
JPH0419767A (en) * 1990-05-15 1992-01-23 Minolta Camera Co Ltd Developer concentration measuring method and instrument thereof
JPH09126865A (en) * 1995-11-01 1997-05-16 Ricoh Co Ltd Liquid level detector
JP3863379B2 (en) * 2001-03-19 2006-12-27 株式会社Ｐｆｕ Liquid toner concentration measuring device

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