JP7895784B2 - 画像形成装置 - Google Patents

画像形成装置

Info

Publication number
JP7895784B2
JP7895784B2 JP2022112088A JP2022112088A JP7895784B2 JP 7895784 B2 JP7895784 B2 JP 7895784B2 JP 2022112088 A JP2022112088 A JP 2022112088A JP 2022112088 A JP2022112088 A JP 2022112088A JP 7895784 B2 JP7895784 B2 JP 7895784B2
Authority
JP
Japan
Prior art keywords
photoreceptor
transfer
exposure
area
region
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
JP2022112088A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024010633A5 (enExample
JP2024010633A (ja
Inventor
弘樹 江口
正武 臼井
正起 廣瀬
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 JP2022112088A priority Critical patent/JP7895784B2/ja
Priority to US18/220,454 priority patent/US12099313B2/en
Publication of JP2024010633A publication Critical patent/JP2024010633A/ja
Publication of JP2024010633A5 publication Critical patent/JP2024010633A5/ja
Application granted granted Critical
Publication of JP7895784B2 publication Critical patent/JP7895784B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP2022112088A 2022-07-12 2022-07-12 画像形成装置 Active JP7895784B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022112088A JP7895784B2 (ja) 2022-07-12 2022-07-12 画像形成装置
US18/220,454 US12099313B2 (en) 2022-07-12 2023-07-11 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022112088A JP7895784B2 (ja) 2022-07-12 2022-07-12 画像形成装置

Publications (3)

Publication Number Publication Date
JP2024010633A JP2024010633A (ja) 2024-01-24
JP2024010633A5 JP2024010633A5 (enExample) 2025-07-22
JP7895784B2 true JP7895784B2 (ja) 2026-07-28

Family

ID=89509723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022112088A Active JP7895784B2 (ja) 2022-07-12 2022-07-12 画像形成装置

Country Status (2)

Country Link
US (1) US12099313B2 (enExample)
JP (1) JP7895784B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025085557A (ja) 2023-11-26 2025-06-05 キヤノン株式会社 画像形成装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017058433A (ja) 2015-09-15 2017-03-23 キヤノン株式会社 画像形成装置
JP2020042148A (ja) 2018-09-10 2020-03-19 キヤノン株式会社 画像形成装置
JP2020086313A (ja) 2018-11-29 2020-06-04 キヤノン株式会社 画像形成装置
JP2020160292A (ja) 2019-03-27 2020-10-01 株式会社沖データ 画像形成装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4147047B2 (ja) 2002-04-12 2008-09-10 キヤノン株式会社 帯電ローラの評価方法
JP2007232856A (ja) 2006-02-28 2007-09-13 Kyocera Mita Corp 画像形成装置
JP2011203335A (ja) 2010-03-24 2011-10-13 Fuji Xerox Co Ltd 画像形成装置
JP5619110B2 (ja) * 2011-12-06 2014-11-05 キヤノン株式会社 画像形成装置
JP2019194650A (ja) 2018-05-02 2019-11-07 キヤノン株式会社 画像形成装置
JP7202865B2 (ja) * 2018-12-03 2023-01-12 シャープ株式会社 プロセスユニットおよび画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017058433A (ja) 2015-09-15 2017-03-23 キヤノン株式会社 画像形成装置
JP2020042148A (ja) 2018-09-10 2020-03-19 キヤノン株式会社 画像形成装置
JP2020086313A (ja) 2018-11-29 2020-06-04 キヤノン株式会社 画像形成装置
JP2020160292A (ja) 2019-03-27 2020-10-01 株式会社沖データ 画像形成装置

Also Published As

Publication number Publication date
US20240019794A1 (en) 2024-01-18
JP2024010633A (ja) 2024-01-24
US12099313B2 (en) 2024-09-24

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250711

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250711

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20260608

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: 20260616

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260715

R150 Certificate of patent or registration of utility model

Ref document number: 7895784

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150