EP0568829A3 - Image forming apparatus. - Google Patents

Image forming apparatus. Download PDF

Info

Publication number
EP0568829A3
EP0568829A3 EP93105767A EP93105767A EP0568829A3 EP 0568829 A3 EP0568829 A3 EP 0568829A3 EP 93105767 A EP93105767 A EP 93105767A EP 93105767 A EP93105767 A EP 93105767A EP 0568829 A3 EP0568829 A3 EP 0568829A3
Authority
EP
European Patent Office
Prior art keywords
image forming
forming apparatus
image
forming
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
EP93105767A
Other languages
German (de)
French (fr)
Other versions
EP0568829B1 (en
EP0568829A2 (en
Inventor
Yuko Harasawa
Itaru Matsuda
Satoshi Takano
Hideo Yu
Yasunori Kawaishi
Hideki Kamiyama
Toshiaki Motohashi
Mitsuru Takahashi
Takashi Bisaiji
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP0568829A2 publication Critical patent/EP0568829A2/en
Publication of EP0568829A3 publication Critical patent/EP0568829A3/en
Application granted granted Critical
Publication of EP0568829B1 publication Critical patent/EP0568829B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6532—Removing a copy sheet form a xerographic drum, band or plate
    • G03G15/6535—Removing a copy sheet form a xerographic drum, band or plate using electrostatic means, e.g. a separating corona
    • 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
    • G03G15/1605—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 using at least one intermediate support
    • 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
    • G03G15/1665—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1675—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip
    • 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
    • G03G2215/16—Transferring device, details
    • G03G2215/1604—Main transfer electrode
    • G03G2215/1623—Transfer belt
    • 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
    • G03G2215/16—Transferring device, details
    • G03G2215/1647—Cleaning of transfer member
    • G03G2215/1661—Cleaning of transfer member of transfer belt
EP93105767A 1992-04-09 1993-04-07 Image forming apparatus Expired - Lifetime EP0568829B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP8891692 1992-04-09
JP88916/92 1992-04-09
JP8891692 1992-04-09
JP9070192 1992-04-10
JP9070192 1992-04-10
JP90701/92 1992-04-10
JP1015993 1993-01-25
JP10159/93 1993-01-25
JP01015993A JP3271811B2 (en) 1992-04-09 1993-01-25 Image forming device

Publications (3)

Publication Number Publication Date
EP0568829A2 EP0568829A2 (en) 1993-11-10
EP0568829A3 true EP0568829A3 (en) 1995-05-10
EP0568829B1 EP0568829B1 (en) 2001-08-16

Family

ID=27278864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93105767A Expired - Lifetime EP0568829B1 (en) 1992-04-09 1993-04-07 Image forming apparatus

Country Status (5)

Country Link
EP (1) EP0568829B1 (en)
JP (1) JP3271811B2 (en)
KR (1) KR0145748B1 (en)
DE (1) DE69330579T2 (en)
ES (1) ES2161701T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3488328B2 (en) * 1996-02-02 2004-01-19 株式会社リコー Transfer belt device
JP3306310B2 (en) * 1996-08-29 2002-07-24 シャープ株式会社 Image forming device
JP2004109706A (en) 2002-09-19 2004-04-08 Ricoh Co Ltd Belt driving device, transfer driving system, and image forming apparatus
JP2006047707A (en) * 2004-08-05 2006-02-16 Ricoh Co Ltd Image forming method and image forming apparatus
JP5564993B2 (en) * 2010-03-01 2014-08-06 株式会社リコー Image forming apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111960A (en) * 1981-12-25 1983-07-04 Ricoh Co Ltd Transfer paper separating device
JPS62203169A (en) * 1986-03-03 1987-09-07 Yamauchi Rubber Ind Co Ltd Belt used in image forming device
JPH02110586A (en) * 1988-10-20 1990-04-23 Canon Inc Image forming device
EP0368617A2 (en) * 1988-11-08 1990-05-16 Canon Kabushiki Kaisha Image forming apparatus having electrostatic attraction control means for transfer material
JPH03186876A (en) * 1989-12-16 1991-08-14 Canon Inc Image forming device
US5172173A (en) * 1988-09-01 1992-12-15 Canon Kabushiki Kaisha Image forming device and transfer belt having contact-type electricity feeding means

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111960A (en) * 1981-12-25 1983-07-04 Ricoh Co Ltd Transfer paper separating device
JPS62203169A (en) * 1986-03-03 1987-09-07 Yamauchi Rubber Ind Co Ltd Belt used in image forming device
US5172173A (en) * 1988-09-01 1992-12-15 Canon Kabushiki Kaisha Image forming device and transfer belt having contact-type electricity feeding means
JPH02110586A (en) * 1988-10-20 1990-04-23 Canon Inc Image forming device
EP0368617A2 (en) * 1988-11-08 1990-05-16 Canon Kabushiki Kaisha Image forming apparatus having electrostatic attraction control means for transfer material
JPH03186876A (en) * 1989-12-16 1991-08-14 Canon Inc Image forming device

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 12, no. 58 (P - 669) 20 February 1988 (1988-02-20) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 332 (P - 1077) 17 July 1990 (1990-07-17) *
PATENT ABSTRACTS OF JAPAN vol. 15, no. 446 (P - 1274) 13 November 1991 (1991-11-13) *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 220 (P - 226)<1365> 30 September 1983 (1983-09-30) *

Also Published As

Publication number Publication date
KR930022160A (en) 1993-11-23
EP0568829B1 (en) 2001-08-16
EP0568829A2 (en) 1993-11-10
KR0145748B1 (en) 1998-09-15
ES2161701T3 (en) 2001-12-16
JP3271811B2 (en) 2002-04-08
JPH06167896A (en) 1994-06-14
DE69330579T2 (en) 2002-06-27
DE69330579D1 (en) 2001-09-20

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