JPH10240084A5 - - Google Patents
Info
- Publication number
- JPH10240084A5 JPH10240084A5 JP1997062401A JP6240197A JPH10240084A5 JP H10240084 A5 JPH10240084 A5 JP H10240084A5 JP 1997062401 A JP1997062401 A JP 1997062401A JP 6240197 A JP6240197 A JP 6240197A JP H10240084 A5 JPH10240084 A5 JP H10240084A5
- Authority
- JP
- Japan
- Prior art keywords
- developer
- detection
- developing
- image
- amount
- 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
Description
【００１３】
【課題を解決するための手段】
上記目的は、本出願にかかる画像形成装置およびプロセスカートリッジにて達成される。要約すれば、本出願の第１の発明は、少なくとも像担持体と、前記像担持体に形成した静電潜像を現像して現像剤像として可視化する現像手段とを備えた画像形成装置において、前記現像手段内の現像剤の残量を逐次検知する第１検知手段と、前記第１検知手段の検知結果を書き込み可能な記憶手段と、前記現像手段内の所定量以下の現像剤を検知して、前記現像手段内の現像剤の有無を検知するための第２検知手段と、前記第２検知手段によって現像剤無しを検知した場合に、前記現像手段内の現像剤無しを示す警告信号を出力する制御手段と、を有することを特徴とする画像形成装置である。[0013]
[Means for solving the problem]
The above object is achieved by the image forming apparatus and process cartridge according to the present application. In summary, the first invention of the present application is an image forming apparatus including at least an image carrier and a developing means for developing an electrostatic latent image formed on the image carrier into a visible developer image, the image forming apparatus comprising : a first detecting means for successively detecting the amount of developer remaining in the developing means; a memory means for storing the detection results of the first detecting means; a second detecting means for detecting the amount of developer remaining in the developing means by detecting that the amount of developer in the developing means is equal to or less than a predetermined amount , and a control means for outputting a warning signal indicating that there is no developer in the developing means when there is no developer detected by the second detecting means.
【００１４】
本出願の第２の発明は、第１の発明の画像形成装置において、前記第１検知手段は、前記静電潜像を形成するための画像信号をカウントすることにより、前記現像手段内の現像剤の残量を検出する機能を有することを特徴とする。[0014]
The second invention of the present application is characterized in that, in the image forming apparatus of the first invention, the first detection means has a function of detecting the remaining amount of developer in the developing means by counting image signals for forming the electrostatic latent image .
【００１５】
本出願の第３の発明は、第２の発明の画像形成装置において、前記第１検知手段による前記現像手段内の現像剤の残量の検出は、前記画像信号のカウント数と前記現像剤の消費量との関係を示す所定データに基づいて行なわれることを特徴とする。[0015]
The third invention of the present application is characterized in that, in the image forming apparatus of the second invention, the detection of the remaining amount of developer in the developing means by the first detection means is performed based on predetermined data indicating the relationship between the count number of the image signal and the consumption amount of the developer.
【００１６】
本出願の第４の発明は、第１〜第３の発明の画像形成装置において、前記制御手段は、前記現像手段内の現像剤が所定量以下になるまでは、前記第１検知手段によって前記現像剤の残量を検知した結果を出力し、前記現像手段内の現像剤が所定量以下になった後は、前記第２検知手段によって前記現像剤の残量を検知した結果を出力することを特徴とする。[0016]
The fourth invention of the present application is characterized in that, in the image forming apparatus of the first to third inventions , the control means outputs the result of detection of the remaining amount of developer by the first detection means until the amount of developer in the developing means becomes a predetermined amount or less, and after the amount of developer in the developing means becomes a predetermined amount or less, outputs the result of detection of the remaining amount of developer by the second detection means .
【００１７】
本出願の第５の発明は、画像形成装置に着脱自在に装着されるプロセスカートリッジであって、像担持体と、前記像担持体に形成した静電潜像を現像して現像剤像として可視化する現像手段と、画像形成装置本体に設けられた前記現像手段内の現像剤残量を逐次検知する第１検知手段の検知結果を書き込み可能な記憶手段と、前記現像手段内の現像剤の有無を検知する第２検知手段とを有し、前記現像手段内の現像剤の残量が所定量以下になった後に、前記第２検知手段によって前記現像手段内の現像剤の残量を検知することを特徴とするプロセスカートリッジである。[0017]
The fifth invention of the present application is a process cartridge that is removably mounted on an image forming apparatus , and includes an image carrier, a developing means that develops an electrostatic latent image formed on the image carrier and visualizes it as a developer image , a memory means that can write the detection results of a first detection means that sequentially detects the remaining amount of developer in the developing means provided in the main body of the image forming apparatus, and a second detection means that detects the presence or absence of developer in the developing means, and is characterized in that after the remaining amount of developer in the developing means falls below a predetermined amount, the second detection means detects the remaining amount of developer in the developing means .
Claims (8)
前記現像手段内の現像剤の残量を逐次検知する第１検知手段と、
前記第１検知手段の検知結果を書き込み可能な記憶手段と、
前記現像手段内の所定量以下の現像剤を検知して、前記現像手段内の現像剤の有無を検知するための第２検知手段と、
前記第２検知手段によって現像剤無しを検知した場合に、前記現像手段内の現像剤無しを示す警告信号を出力する制御手段と、
を有することを特徴とする画像形成装置。 at leastan image carrier and a developing unit for developing an electrostatic latent image formed on the image carrier;DeveloperA developing means to visualize the imageEquipped withIn the image forming apparatus,
The remaining amount of developer in the developing means is successively detected.No. 1A detection means;
the first detection meansa storage means capable of writing the detection results;
The developing means has a predetermined amount or less of the developing material.AgentDetect andIn the developing meansCheck the presence or absence of developerdetectiondoThe secondDetection Methodand,
The aforementionedNo. 2By detection meansThatNo developer detectedcaseTo,In the developing meansNo developerShowcaveatsignalofoutputdoa control means;
haveAn image forming apparatus characterized by:
像担持体と、前記像担持体に形成した静電潜像を現像して現像剤像として可視化する現像手段と、画像形成装置本体に設けられた前記現像手段内の現像剤残量を逐次検知する第１検知手段の検知結果を書き込み可能な記憶手段と、前記現像手段内の現像剤の有無を検知する第２検知手段とを有し、
前記現像手段内の現像剤の残量が所定量以下になった後に、前記第２検知手段によって前記現像手段内の現像剤の残量を検知することを特徴とするプロセスカートリッジ。A process cartridge that is detachably mounted in an image forming apparatus ,
The image forming apparatus includes an image carrier, a developing unit that develops an electrostatic latent image formed on the image carrier and visualizes it as a developer image , a storage unit that can write the detection results of a first detecting unit that successively detects the amount of developer remaining in the developing unit and that is provided in a main body of the image forming apparatus, and a second detecting unit that detects the presence or absence of developer in the developing unit,
a process cartridge, characterized in that the remaining amount of developer in said developing means is detected by said second detecting means after the remaining amount of developer in said developing means becomes equal to or less than a predetermined amount .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9062401A JPH10240084A (en) | 1997-02-28 | 1997-02-28 | Image forming apparatus and process cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9062401A JPH10240084A (en) | 1997-02-28 | 1997-02-28 | Image forming apparatus and process cartridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10240084A JPH10240084A (en) | 1998-09-11 |
| JPH10240084A5 true JPH10240084A5 (en) | 2004-12-16 |
Family
ID=13199088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9062401A Pending JPH10240084A (en) | 1997-02-28 | 1997-02-28 | Image forming apparatus and process cartridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10240084A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003087953A1 (en) * | 2002-04-16 | 2003-10-23 | Seiko Epson Corporation | Image formation device, development unit, and computer system |
| US20060098223A1 (en) * | 2002-05-21 | 2006-05-11 | Ken Yoshizuka | Image former and computer system |
| US6810218B1 (en) * | 2003-09-15 | 2004-10-26 | Xerox Corporation | Estimation of toner usage |
| JP2005309322A (en) | 2004-04-26 | 2005-11-04 | Sharp Corp | Toner remaining amount detection method and image forming apparatus for detecting toner remaining amount by the method |
| JP5365355B2 (en) * | 2009-06-11 | 2013-12-11 | 株式会社リコー | Image forming apparatus, image forming method, image forming program, and image forming system |
| JP6570863B2 (en) * | 2015-04-16 | 2019-09-04 | キヤノンファインテックニスカ株式会社 | Image forming apparatus and toner amount determination method |
| JP7380178B2 (en) * | 2019-12-19 | 2023-11-15 | 株式会社リコー | Image forming device and toner remaining amount detection method |
-
1997
- 1997-02-28 JP JP9062401A patent/JPH10240084A/en active Pending
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