EP0513820A3 - Conditioning roller and method of operation for use with a photoconductive drum in an electrophotographic color printer - Google Patents

Conditioning roller and method of operation for use with a photoconductive drum in an electrophotographic color printer Download PDF

Info

Publication number
EP0513820A3
EP0513820A3 EP19920108240 EP92108240A EP0513820A3 EP 0513820 A3 EP0513820 A3 EP 0513820A3 EP 19920108240 EP19920108240 EP 19920108240 EP 92108240 A EP92108240 A EP 92108240A EP 0513820 A3 EP0513820 A3 EP 0513820A3
Authority
EP
European Patent Office
Prior art keywords
color printer
photoconductive drum
electrophotographic color
conditioning roller
conditioning
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.)
Withdrawn
Application number
EP19920108240
Other versions
EP0513820A2 (en
Inventor
Thomas Camis
James G. Bearss
James A. Hall
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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
Priority claimed from US07/701,926 external-priority patent/US5136334A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0513820A2 publication Critical patent/EP0513820A2/en
Publication of EP0513820A3 publication Critical patent/EP0513820A3/en
Withdrawn legal-status Critical Current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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/169—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer with means for preconditioning the toner image before the transfer
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0131—Details of unit for transferring a pattern to a second base
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0142—Structure of complete machines
    • G03G15/0147—Structure of complete machines using a single reusable electrographic recording member
    • G03G15/0152—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member
    • G03G15/0157—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member with special treatment between monocolour image formation
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0142—Structure of complete machines
    • G03G15/0147—Structure of complete machines using a single reusable electrographic recording member
    • G03G15/0152—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member
    • G03G15/0163—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member primary transfer to the final recording medium
EP19920108240 1991-05-17 1992-05-15 Conditioning roller and method of operation for use with a photoconductive drum in an electrophotographic color printer Withdrawn EP0513820A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/701,926 US5136334A (en) 1991-05-17 1991-05-17 Method and apparatus for preparing liquid tone for direct transfer to the media during electrophotographic printing
US701926 1991-05-17
US74812091A 1991-08-21 1991-08-21
US748120 1991-08-21

Publications (2)

Publication Number Publication Date
EP0513820A2 EP0513820A2 (en) 1992-11-19
EP0513820A3 true EP0513820A3 (en) 1993-05-19

Family

ID=27106871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920108240 Withdrawn EP0513820A3 (en) 1991-05-17 1992-05-15 Conditioning roller and method of operation for use with a photoconductive drum in an electrophotographic color printer

Country Status (1)

Country Link
EP (1) EP0513820A3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115277A (en) * 1991-05-17 1992-05-19 Hewlett-Packard Company Electrostatically assisted transfer roller and method for directly transferring liquid toner to a print medium
US5291251A (en) * 1992-12-17 1994-03-01 Hewlett-Packard Company Image development and transfer apparatus which utilized an intermediate transfer film
US5361089A (en) * 1993-07-26 1994-11-01 Hewlett-Packard Company Method and apparatus for applying an adhesive layer for improved image transfer in electrophotography
US5424813A (en) * 1994-05-23 1995-06-13 Xerox Corporation Apparatus and method for improved blotter roller permeability
US5493369A (en) * 1994-08-29 1996-02-20 Xerox Corporation Apparatus and method for improved liquid developer image conditioning
EP0852748A1 (en) * 1995-09-29 1998-07-15 Imation Corp. Method and apparatus for producing a multi-colored image in an electrophotographic system
US5650253A (en) * 1995-09-29 1997-07-22 Minnesota Mining And Manufacturing Company Method and apparatus having improved image transfer characteristics for producing an image on a receptor medium such as a plain paper

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142315A (en) * 1965-05-26 1969-02-05 Ritzerfeld Gerhard Electrostatic printing machines
WO1990004216A1 (en) * 1988-10-04 1990-04-19 Spectrum Sciences B.V. Method and apparatus for imaging using an intermediate transfer member
WO1990008984A1 (en) * 1989-02-06 1990-08-09 Spectrum Sciences B.V. Imaging system
US4985733A (en) * 1988-04-02 1991-01-15 Ricoh Company, Ltd. Image fixing unit for use in wet-type electrophotographic copying machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142315A (en) * 1965-05-26 1969-02-05 Ritzerfeld Gerhard Electrostatic printing machines
US4985733A (en) * 1988-04-02 1991-01-15 Ricoh Company, Ltd. Image fixing unit for use in wet-type electrophotographic copying machine
WO1990004216A1 (en) * 1988-10-04 1990-04-19 Spectrum Sciences B.V. Method and apparatus for imaging using an intermediate transfer member
WO1990008984A1 (en) * 1989-02-06 1990-08-09 Spectrum Sciences B.V. Imaging system

Also Published As

Publication number Publication date
EP0513820A2 (en) 1992-11-19

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Inventor name: BEARSS, JAMES, G.

Inventor name: CAMIS, THOMAS

Inventor name: HALL, JAMES A.