CA2285157A1 - Electrophotographic image forming apparatus, process cartridge, developing device and measuring part - Google Patents

Electrophotographic image forming apparatus, process cartridge, developing device and measuring part Download PDF

Info

Publication number
CA2285157A1
CA2285157A1 CA002285157A CA2285157A CA2285157A1 CA 2285157 A1 CA2285157 A1 CA 2285157A1 CA 002285157 A CA002285157 A CA 002285157A CA 2285157 A CA2285157 A CA 2285157A CA 2285157 A1 CA2285157 A1 CA 2285157A1
Authority
CA
Canada
Prior art keywords
electrode member
process cartridge
image forming
forming apparatus
electrophotographic image
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.)
Granted
Application number
CA002285157A
Other languages
French (fr)
Other versions
CA2285157C (en
Inventor
Toshiyuki Karakama
Shirou Sakata
Hideki Matsumoto
Akiyoshi Yokoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CA2285157A1 publication Critical patent/CA2285157A1/en
Application granted granted Critical
Publication of CA2285157C publication Critical patent/CA2285157C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
    • 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
    • G03G15/06—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
    • G03G15/086—Detection or control means for the developer level the level being measured by electro-magnetic means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1839—Means for handling the process cartridge in the apparatus body
    • G03G21/1867—Means for handling the process cartridge in the apparatus body for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0888—Arrangements for detecting toner level or concentration in the developing device

Abstract

A process cartridge detachably mountable to an electrophotographic image forming apparatus, said process cartridge includes (a) an electrophotographic photosensitive member; (b) process means actable on the electrophotographic photosensitive member; (c) a measuring electrode member having input side and output side electrodes having at least one juxtaposed portions, the measuring electrode member being disposed at such a position that it is contacted to a developer; (d) a reference electrode member having input side and output side electrodes having at least one juxtaposed portions, the reference electrode member being disposed at such a position that it is out of contact to the developer; (e) an output contact for the measuring electrode member, connected electrically to the output side electrode of the measuring electrode member; (f) an output contact for the reference electrode member, connected electrically to the output side electrode of the reference electrode member; and (g) a common input contact connected electrically to the input side electrodes of the measuring electrode member and the reference electrode member.
CA002285157A 1998-10-09 1999-10-06 Electrophotographic image forming apparatus, process cartridge, developing device and measuring part Expired - Fee Related CA2285157C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30334498A JP3530751B2 (en) 1998-10-09 1998-10-09 Process cartridge and electrophotographic image forming apparatus
JP303344/1998 1998-10-09

Publications (2)

Publication Number Publication Date
CA2285157A1 true CA2285157A1 (en) 2000-04-09
CA2285157C CA2285157C (en) 2002-07-09

Family

ID=17919852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002285157A Expired - Fee Related CA2285157C (en) 1998-10-09 1999-10-06 Electrophotographic image forming apparatus, process cartridge, developing device and measuring part

Country Status (8)

Country Link
US (1) US6253036B1 (en)
EP (1) EP0992866B1 (en)
JP (1) JP3530751B2 (en)
KR (1) KR100389244B1 (en)
CN (1) CN1129820C (en)
AU (1) AU744971B2 (en)
CA (1) CA2285157C (en)
DE (1) DE69926108T2 (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000206774A (en) 1998-11-13 2000-07-28 Canon Inc Remaining-toner quantitative detector, remaining-toner quantitative detecting method, profess cartridge, and electrophotographic image forming device
EP1016939B1 (en) * 1998-12-28 2006-02-01 Canon Kabushiki Kaisha Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and development unit frame
JP3363873B2 (en) * 1999-07-13 2003-01-08 キヤノン株式会社 Method for sequentially displaying developer amount and electrophotographic image forming apparatus
JP2001092335A (en) 1999-09-17 2001-04-06 Canon Inc Process cartridge, electrophotographic image forming device and developer quantity detection member
JP2001125362A (en) 1999-10-27 2001-05-11 Canon Inc Process cartridge, electrophotographic image forming device, image forming device, developing device, developer container and measuring components
JP2001175133A (en) * 1999-12-15 2001-06-29 Canon Inc Informing system for remaining amount of developer and usage situation of other consumables and image forming device
JP2001194887A (en) 2000-01-07 2001-07-19 Canon Inc Process cartridge and electrophotographic image forming device
JP3745231B2 (en) * 2000-01-13 2006-02-15 キヤノン株式会社 Process cartridge and electrophotographic image forming apparatus
JP2001290360A (en) 2000-04-07 2001-10-19 Canon Inc Developer container, processing cartridge, developing device and image forming device
JP2001290359A (en) 2000-04-07 2001-10-19 Canon Inc Developer container, developer amount detecting system, process cartridge, developing device and image forming device
JP2002062722A (en) 2000-06-06 2002-02-28 Canon Inc Developing apparatus, process cartridge, and electrophotographic image forming apparatus
JP3658289B2 (en) 2000-07-28 2005-06-08 キヤノン株式会社 Process cartridge and electrophotographic image forming system
US6697578B2 (en) 2000-08-25 2004-02-24 Canon Kabushiki Kaisha Memory member, unit, process cartridge and electrophotographic image forming apparatus
JP2002091057A (en) * 2000-09-20 2002-03-27 Canon Inc Developer, method for forming image and process cartridge
JP2002196647A (en) 2000-12-22 2002-07-12 Canon Inc Process cartridge and image forming device
JP2002258720A (en) 2001-03-05 2002-09-11 Canon Inc Electrophotographic image forming device and process cartridge
JP3697168B2 (en) 2001-03-09 2005-09-21 キヤノン株式会社 Process cartridge and electrophotographic image forming apparatus
JP4819232B2 (en) 2001-03-09 2011-11-24 キヤノン株式会社 Process cartridge and image forming apparatus provided with the same
US6636706B2 (en) 2001-04-27 2003-10-21 Canon Kabushiki Kaisha Electrophotographic image forming apparatus
JP2003255804A (en) 2001-12-07 2003-09-10 Canon Inc Method of remanufacturing process cartridge and developing device
US6785479B2 (en) 2001-12-28 2004-08-31 Canon Kabushiki Kaisha Image forming apparatus having a control section for detecting an amount of developer and an amount detection method of developer of image forming apparatus
JP2003241606A (en) 2002-02-20 2003-08-29 Canon Inc Process cartridge and cleaning device
JP3907496B2 (en) 2002-02-27 2007-04-18 キヤノン株式会社 Developing device, process cartridge, electrophotographic image forming apparatus, developer container and method of assembling the same
JP2003255806A (en) 2002-02-28 2003-09-10 Canon Inc Process cartridge, developing device, and image forming apparatus
JP3809402B2 (en) 2002-05-17 2006-08-16 キヤノン株式会社 Process cartridge and electrophotographic image forming apparatus
JP4054738B2 (en) * 2002-09-30 2008-03-05 キヤノン株式会社 Disassembling and regenerating method of developing device, and disassembling and regenerating method of process cartridge
US6744996B2 (en) 2002-10-31 2004-06-01 Samsung Electronics Co., Ltd. Method of determining liquid toner depletion
JP3720802B2 (en) * 2002-11-06 2005-11-30 キヤノン株式会社 Process cartridge remanufacturing method
JP4110143B2 (en) * 2004-01-30 2008-07-02 キヤノン株式会社 Electrophotographic image forming apparatus, unit detachable from electrophotographic image forming apparatus, and process cartridge
JP4035516B2 (en) * 2004-02-27 2008-01-23 キヤノン株式会社 Electrophotographic image forming apparatus
CN101192030B (en) * 2006-11-30 2010-09-08 株式会社理光 Powder amount detection device, developing apparatus, processing cassette and image forming device
JP4667444B2 (en) 2006-12-13 2011-04-13 キヤノン株式会社 Electrophotographic image forming apparatus
JP6855284B2 (en) 2017-03-03 2021-04-07 キヤノン株式会社 Cartridge and image forming device
US10466617B2 (en) * 2017-12-19 2019-11-05 Lexmark International, Inc. Capacitive toner level sensor
JP7205361B2 (en) * 2019-04-17 2023-01-17 株式会社リコー Toner amount detection device, toner amount detection method, toner amount detection program

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133453A (en) 1975-12-18 1979-01-09 Tokyo Shibaura Electric Co., Ltd. Toner residual amount detecting device
DE2908449C2 (en) 1979-03-05 1986-04-03 Vdo Adolf Schindling Ag, 6000 Frankfurt Device for capacitive level measurement, especially in a motor vehicle tank
JPS5910814A (en) 1982-07-12 1984-01-20 Hitachi Metals Ltd Level sensor for toner
DE3379182D1 (en) 1982-11-29 1989-03-16 Hitachi Metals Ltd Apparatus for controlling toner concentration in developer
JPH03200989A (en) * 1989-10-04 1991-09-02 Canon Inc Image forming device
US5828928A (en) 1990-04-27 1998-10-27 Canon Kabushiki Kaisha Process cartridge mountable in an image forming system and a method for assembling a cleaning device
US5294960A (en) 1990-11-06 1994-03-15 Canon Kabushiki Kaisha Detachable two-frame process cartridge for an image forming apparatus
JP3255175B2 (en) 1991-10-03 2002-02-12 キヤノン株式会社 Toner presence detection device
JPH05188782A (en) 1992-01-10 1993-07-30 Canon Inc Image forming device
KR0134171B1 (en) 1992-09-04 1998-04-22 미타라이 하지메 Process cartridge, method for assembling process cartridge
JP3259985B2 (en) 1992-09-04 2002-02-25 キヤノン株式会社 Process cartridge and image forming apparatus
EP0586044B1 (en) 1992-09-04 1997-03-26 Canon Kabushiki Kaisha Process cartridge, method for assembling process cartridge and image forming apparatus
US5966566A (en) 1993-03-24 1999-10-12 Canon Kabushiki Kaisha Recycle method for process cartridge and image forming apparatus
JP3268162B2 (en) 1995-04-28 2002-03-25 キヤノン株式会社 Process cartridge and image forming apparatus
JP3154642B2 (en) 1995-04-28 2001-04-09 キヤノン株式会社 Process cartridge, method for coupling toner developing frame and cleaning frame, and image forming apparatus
US5943528A (en) 1995-04-28 1999-08-24 Canon Kabushiki Kaisha Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge
JP3294465B2 (en) 1995-04-28 2002-06-24 キヤノン株式会社 Process cartridge and image forming apparatus
JPH0916056A (en) 1995-06-30 1997-01-17 Canon Inc Process cartridge and image forming device
US5768660A (en) 1995-08-02 1998-06-16 Canon Kabushiki Kaisha Charging device and process cartridge
JP3323749B2 (en) 1996-08-01 2002-09-09 キヤノン株式会社 Magnetic sealing device, developing device, and image forming device
JPH10333415A (en) * 1997-04-04 1998-12-18 Canon Inc Electrophotographic image forming device, developing unit and process cartridge
JP3689552B2 (en) 1997-04-07 2005-08-31 キヤノン株式会社 Toner frame, process cartridge, and electrophotographic image forming apparatus
US5987269A (en) * 1998-02-13 1999-11-16 Hewlett-Packard Company Toner quantity measuring technique in an electrophotographic printer

Also Published As

Publication number Publication date
CA2285157C (en) 2002-07-09
CN1129820C (en) 2003-12-03
KR100389244B1 (en) 2003-06-27
EP0992866A3 (en) 2001-04-18
CN1254867A (en) 2000-05-31
DE69926108T2 (en) 2006-05-11
AU5350999A (en) 2000-04-13
AU744971B2 (en) 2002-03-07
JP2000122397A (en) 2000-04-28
US6253036B1 (en) 2001-06-26
EP0992866A2 (en) 2000-04-12
DE69926108D1 (en) 2005-08-18
KR20000028917A (en) 2000-05-25
EP0992866B1 (en) 2005-07-13
JP3530751B2 (en) 2004-05-24

Similar Documents

Publication Publication Date Title
CA2285157A1 (en) Electrophotographic image forming apparatus, process cartridge, developing device and measuring part
CA2293188A1 (en) Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and development unit frame
EP1239346A3 (en) Process cartridge and electrophotographic image forming apparatus
EP1117015A3 (en) Process cartridge and image forming apparatus
EP1253485A3 (en) Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part
AU568591B2 (en) Electrophotographic imaging unit
EP0959391A3 (en) Developing device, process cartridge and electrical contact part
JP2001265196A5 (en)
EP0586033A3 (en) Photosensitive drum, process cartridge, image forming apparatus and image forming system
CA2121987A1 (en) Process Cartridge and Image Forming Apparatus
EP1054307A3 (en) Process cartridge, assembling method therefor and electrophotographic image forming apparatus
CA2285112A1 (en) Electrophotographic image forming apparatus, process cartridge, developing device, developer supply container and measuring part therefor
EP0827048A3 (en) Process cartridge, electrophotographic image forming apparatus and connecting contacts
US5436699A (en) Photosensitive drum earthing mechanism
EP1054306A3 (en) Process cartridge and electrophotographic image forming apparatus
EP0889375A3 (en) Side cover of developing cartridge, mounting method thereof and developing cartridge
EP0889374A3 (en) Developing cartridge and electrophotographic image forming apparatus
FR2463434B1 (en) ELECTROPHOTOGRAPHIC COPIER COMPRISING A DEVICE FOR CLEANING AND ELECTRICALLY DISCHARGING AN IMAGE FORMING MEMBER
EP0889378A3 (en) Developing cartridge and electrophotographic image forming apparatus
EP1209538A3 (en) Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member
WO2000014607A3 (en) Printer or copier for simultaneously printing a supporting material on both sides
US5216465A (en) Print cartridge insertable into an image forming apparatus
JP2000250380A5 (en)
JP2996535B2 (en) Multicolor image forming device
EP0833234A3 (en) Developing device and electrophotographic image forming apparatus

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed