JP7770832B2 - 画像形成装置 - Google Patents

画像形成装置

Info

Publication number
JP7770832B2
JP7770832B2 JP2021152693A JP2021152693A JP7770832B2 JP 7770832 B2 JP7770832 B2 JP 7770832B2 JP 2021152693 A JP2021152693 A JP 2021152693A JP 2021152693 A JP2021152693 A JP 2021152693A JP 7770832 B2 JP7770832 B2 JP 7770832B2
Authority
JP
Japan
Prior art keywords
voltage
toner
transfer
developing
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.)
Active
Application number
JP2021152693A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023044587A5 (enExample
JP2023044587A (ja
Inventor
太佑 皆川
裕基 淺野
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
Priority to JP2021152693A priority Critical patent/JP7770832B2/ja
Priority to EP22194334.3A priority patent/EP4191340A1/en
Priority to KR1020220114133A priority patent/KR102826290B1/ko
Priority to CN202211109391.1A priority patent/CN115826378A/zh
Priority to US17/944,587 priority patent/US12124185B2/en
Publication of JP2023044587A publication Critical patent/JP2023044587A/ja
Publication of JP2023044587A5 publication Critical patent/JP2023044587A5/ja
Application granted granted Critical
Publication of JP7770832B2 publication Critical patent/JP7770832B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065Arrangements for controlling the potential of the developing electrode
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/02Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266Arrangements for controlling the amount of charge
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/14Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16Apparatus 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
    • G03G15/1665Apparatus 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
    • G03G15/167Apparatus 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
    • G03G15/1675Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/14Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16Apparatus 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
    • G03G15/1665Apparatus 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
    • G03G15/167Apparatus 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
    • G03G15/168Apparatus 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 conditioning the transfer element, e.g. cleaning
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/80Details relating to power supplies, circuits boards, electrical connections
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/16Transferring device, details
    • G03G2215/1647Cleaning of transfer member
    • G03G2215/1652Cleaning of transfer member of transfer roll

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP2021152693A 2021-09-17 2021-09-17 画像形成装置 Active JP7770832B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2021152693A JP7770832B2 (ja) 2021-09-17 2021-09-17 画像形成装置
EP22194334.3A EP4191340A1 (en) 2021-09-17 2022-09-07 Image forming apparatus
KR1020220114133A KR102826290B1 (ko) 2021-09-17 2022-09-08 화상 형성 장치
CN202211109391.1A CN115826378A (zh) 2021-09-17 2022-09-13 图像形成装置
US17/944,587 US12124185B2 (en) 2021-09-17 2022-09-14 Image forming apparatus applying different voltages in image forming operation and cleaning operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021152693A JP7770832B2 (ja) 2021-09-17 2021-09-17 画像形成装置

Publications (3)

Publication Number Publication Date
JP2023044587A JP2023044587A (ja) 2023-03-30
JP2023044587A5 JP2023044587A5 (enExample) 2024-11-25
JP7770832B2 true JP7770832B2 (ja) 2025-11-17

Family

ID=83232534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021152693A Active JP7770832B2 (ja) 2021-09-17 2021-09-17 画像形成装置

Country Status (5)

Country Link
US (1) US12124185B2 (enExample)
EP (1) EP4191340A1 (enExample)
JP (1) JP7770832B2 (enExample)
KR (1) KR102826290B1 (enExample)
CN (1) CN115826378A (enExample)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000137423A (ja) 1998-10-30 2000-05-16 Fuji Xerox Co Ltd 画像形成装置
JP2007094283A (ja) 2005-09-30 2007-04-12 Brother Ind Ltd 画像形成装置
US20100135685A1 (en) 2008-12-01 2010-06-03 Samsung Electronics Co., Ltd. Image forming apparatus and control method thereof
JP2015052760A (ja) 2013-09-09 2015-03-19 株式会社リコー 画像形成装置、画像形成装置のバイアス電圧制御方法、およびプログラム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01216369A (ja) * 1988-02-25 1989-08-30 Canon Inc 画像形成装置
JPH07239588A (ja) * 1994-02-28 1995-09-12 Brother Ind Ltd 画像形成装置
JP3162598B2 (ja) 1995-03-14 2001-05-08 シャープ株式会社 画像形成装置
US6185387B1 (en) * 1997-05-09 2001-02-06 Canon Kabushiki Kaisha Image forming apparatus
JP3279523B2 (ja) 1998-07-13 2002-04-30 キヤノン株式会社 画像形成装置
JP4908863B2 (ja) * 2006-02-02 2012-04-04 キヤノン株式会社 画像形成装置及び高圧電源装置
KR20080067123A (ko) * 2007-01-15 2008-07-18 삼성전자주식회사 화상 형성 장치
JP5201866B2 (ja) * 2007-04-03 2013-06-05 キヤノン株式会社 現像装置
JP4582201B2 (ja) 2008-06-05 2010-11-17 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置及び当該画像形成装置における2次転写ローラクリーニング方法
JP5464860B2 (ja) * 2009-02-03 2014-04-09 キヤノン株式会社 画像形成装置
JP6671970B2 (ja) * 2015-02-10 2020-03-25 キヤノン株式会社 画像形成装置
JP6971632B2 (ja) * 2017-05-25 2021-11-24 キヤノン株式会社 画像形成装置
JP6976768B2 (ja) * 2017-08-09 2021-12-08 キヤノン株式会社 電源装置及び画像形成装置
US10496028B2 (en) 2017-09-29 2019-12-03 Canon Kabushiki Kaisha Image forming apparatus
US10488790B2 (en) * 2017-11-29 2019-11-26 Canon Kabushiki Kaisha Image forming apparatus having transfer voltage control
JP7657585B2 (ja) * 2020-12-18 2025-04-07 キヤノン株式会社 画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000137423A (ja) 1998-10-30 2000-05-16 Fuji Xerox Co Ltd 画像形成装置
JP2007094283A (ja) 2005-09-30 2007-04-12 Brother Ind Ltd 画像形成装置
US20100135685A1 (en) 2008-12-01 2010-06-03 Samsung Electronics Co., Ltd. Image forming apparatus and control method thereof
JP2015052760A (ja) 2013-09-09 2015-03-19 株式会社リコー 画像形成装置、画像形成装置のバイアス電圧制御方法、およびプログラム

Also Published As

Publication number Publication date
KR20230041615A (ko) 2023-03-24
US12124185B2 (en) 2024-10-22
EP4191340A1 (en) 2023-06-07
JP2023044587A (ja) 2023-03-30
CN115826378A (zh) 2023-03-21
KR102826290B1 (ko) 2025-06-26
US20230095217A1 (en) 2023-03-30

Similar Documents

Publication Publication Date Title
US8831450B2 (en) Electrophotographic image forming apparatus controlling voltage and current in charging members
US9665032B2 (en) Image forming apparatus with exposure controlled in dependence on cumulative operating time and humidity
JP5754961B2 (ja) 画像形成装置
US12164248B2 (en) Image forming apparatus that selectively changes trailing end voltage
JP4487621B2 (ja) 転写装置及びこれを備えた画像形成装置
US8275279B2 (en) Image forming apparatus with operation of image bearing member after image formation
US10496028B2 (en) Image forming apparatus
JP5142697B2 (ja) 画像形成装置
JP7770832B2 (ja) 画像形成装置
US10496016B2 (en) Image forming apparatus
JP2004029104A (ja) 画像形成装置
JP2008089771A (ja) クリーニング方法、プロセスカートリッジ及び画像形成装置
JP7739104B2 (ja) 画像形成装置
JP7790930B2 (ja) 画像形成装置
US12164241B2 (en) Image forming apparatus
US11829087B2 (en) Image forming apparatus with image bearing members having different surface layer thicknesses
JP7766863B2 (ja) 画像形成装置
JP5408023B2 (ja) 画像形成装置
JP2009122443A (ja) 画像形成装置
JP2019066611A (ja) 画像形成装置
JP2024046722A (ja) 画像形成装置
JP2019028307A (ja) 画像形成装置
JP7034653B2 (ja) 画像形成装置
JP2025144465A (ja) 画像形成装置
JP2015072386A (ja) 画像形成装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240913

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241115

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20250515

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250624

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250822

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20251007

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251105

R150 Certificate of patent or registration of utility model

Ref document number: 7770832

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150