JP7765314B2 - 画像形成装置 - Google Patents

画像形成装置

Info

Publication number
JP7765314B2
JP7765314B2 JP2022037625A JP2022037625A JP7765314B2 JP 7765314 B2 JP7765314 B2 JP 7765314B2 JP 2022037625 A JP2022037625 A JP 2022037625A JP 2022037625 A JP2022037625 A JP 2022037625A JP 7765314 B2 JP7765314 B2 JP 7765314B2
Authority
JP
Japan
Prior art keywords
duct
unit
exposure head
image forming
opening
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
JP2022037625A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023132361A (ja
JP2023132361A5 (https=
Inventor
良一 河角
毅洋 石館
広樹 高野
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 JP2022037625A priority Critical patent/JP7765314B2/ja
Priority to EP24157522.4A priority patent/EP4361734A3/en
Priority to US18/175,888 priority patent/US12164240B2/en
Priority to EP23159016.7A priority patent/EP4242746A1/en
Priority to CN202310213236.2A priority patent/CN116736661A/zh
Publication of JP2023132361A publication Critical patent/JP2023132361A/ja
Priority to US18/934,593 priority patent/US20250060688A1/en
Publication of JP2023132361A5 publication Critical patent/JP2023132361A5/ja
Priority to JP2025180202A priority patent/JP2026012257A/ja
Application granted granted Critical
Publication of JP7765314B2 publication Critical patent/JP7765314B2/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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • 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
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1666—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the exposure unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/45—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using light-emitting diode [LED] or laser arrays
    • 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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • 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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04063—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by EL-bars
    • 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
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1623—Means to access the interior of the apparatus
    • G03G21/1633—Means to access the interior of the apparatus using doors or covers
    • 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
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1242—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line
    • G06K15/1247—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line using an array of light sources, e.g. a linear array
    • 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
    • G03G15/0409—Details of projection optics
    • 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
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G15/0872—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis
    • 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
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0879—Arrangements for metering and dispensing developer from a developer cartridge into the development unit for dispensing developer from a developer cartridge not directly attached to the development unit
    • 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
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1676—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the developer unit
    • 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
    • G03G21/20—Humidity or temperature control also ozone evacuation; Internal apparatus environment control
    • G03G21/206—Conducting air through the machine, e.g. for cooling, filtering, removing gases like ozone
    • 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
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0402—Exposure devices
    • G03G2215/0407—Light-emitting array or panel
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1636—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the exposure unit
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1645—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for conducting air through the machine, e.g. cooling
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1654—Locks and means for positioning or alignment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Atmospheric Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
JP2022037625A 2022-03-10 2022-03-10 画像形成装置 Active JP7765314B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2022037625A JP7765314B2 (ja) 2022-03-10 2022-03-10 画像形成装置
US18/175,888 US12164240B2 (en) 2022-03-10 2023-02-28 Image forming apparatus including retractable exposure portion
EP23159016.7A EP4242746A1 (en) 2022-03-10 2023-02-28 Image forming apparatus
EP24157522.4A EP4361734A3 (en) 2022-03-10 2023-02-28 Image forming apparatus
CN202310213236.2A CN116736661A (zh) 2022-03-10 2023-03-07 成像设备
US18/934,593 US20250060688A1 (en) 2022-03-10 2024-11-01 Image forming apparatus including retractable exposure portion
JP2025180202A JP2026012257A (ja) 2022-03-10 2025-10-27 画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022037625A JP7765314B2 (ja) 2022-03-10 2022-03-10 画像形成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025180202A Division JP2026012257A (ja) 2022-03-10 2025-10-27 画像形成装置

Publications (3)

Publication Number Publication Date
JP2023132361A JP2023132361A (ja) 2023-09-22
JP2023132361A5 JP2023132361A5 (https=) 2025-03-14
JP7765314B2 true JP7765314B2 (ja) 2025-11-06

Family

ID=85410315

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022037625A Active JP7765314B2 (ja) 2022-03-10 2022-03-10 画像形成装置
JP2025180202A Pending JP2026012257A (ja) 2022-03-10 2025-10-27 画像形成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025180202A Pending JP2026012257A (ja) 2022-03-10 2025-10-27 画像形成装置

Country Status (4)

Country Link
US (2) US12164240B2 (https=)
EP (2) EP4242746A1 (https=)
JP (2) JP7765314B2 (https=)
CN (1) CN116736661A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023132359A (ja) * 2022-03-10 2023-09-22 キヤノン株式会社 画像形成装置
JP7765314B2 (ja) 2022-03-10 2025-11-06 キヤノン株式会社 画像形成装置
JP7743354B2 (ja) * 2022-04-07 2025-09-24 キヤノン株式会社 画像形成装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020854A (ja) 2006-07-14 2008-01-31 Murata Mach Ltd 画像形成装置及びその製造方法
JP2009119805A (ja) 2007-11-16 2009-06-04 Fuji Xerox Co Ltd 画像形成装置
JP2009175416A (ja) 2008-01-24 2009-08-06 Brother Ind Ltd 画像形成装置
JP2013120235A (ja) 2011-12-06 2013-06-17 Canon Inc 画像形成装置
JP2018001752A (ja) 2016-06-22 2018-01-11 株式会社リコー 画像形成装置
JP2018060091A (ja) 2016-10-06 2018-04-12 キヤノン株式会社 画像形成装置
JP2020091363A (ja) 2018-12-04 2020-06-11 キヤノン株式会社 光プリントヘッドを備える画像形成装置
US11036178B1 (en) 2020-02-07 2021-06-15 Toshiba Tec Kabushiki Kaisha Exposure device of image forming apparatus
JP2021154745A (ja) 2017-06-16 2021-10-07 キヤノン株式会社 光プリントヘッドを備える画像形成装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5212584B2 (ja) 2005-11-22 2013-06-19 富士ゼロックス株式会社 像形成ユニット及び画像形成装置
JP5494580B2 (ja) * 2011-07-11 2014-05-14 コニカミノルタ株式会社 画像形成装置
JP2015203777A (ja) * 2014-04-14 2015-11-16 株式会社リコー 画像形成装置
JP6386806B2 (ja) * 2014-06-20 2018-09-05 キヤノン株式会社 画像形成装置および現像ユニット
JP6582376B2 (ja) * 2014-09-05 2019-10-02 富士ゼロックス株式会社 画像形成装置
JP6544931B2 (ja) * 2015-01-21 2019-07-17 キヤノン株式会社 画像形成装置
US10082761B2 (en) 2016-06-22 2018-09-25 Ricoh Company, Ltd. Image forming apparatus including a rotatable exposure device
JP6946628B2 (ja) * 2016-09-30 2021-10-06 ブラザー工業株式会社 画像形成装置
JP6849396B2 (ja) * 2016-11-01 2021-03-24 キヤノン株式会社 画像形成装置
JP2019070754A (ja) * 2017-10-10 2019-05-09 株式会社東芝 画像形成装置
JP7435128B2 (ja) * 2020-03-25 2024-02-21 富士フイルムビジネスイノベーション株式会社 発光装置及び描画装置
JP7765314B2 (ja) 2022-03-10 2025-11-06 キヤノン株式会社 画像形成装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020854A (ja) 2006-07-14 2008-01-31 Murata Mach Ltd 画像形成装置及びその製造方法
JP2009119805A (ja) 2007-11-16 2009-06-04 Fuji Xerox Co Ltd 画像形成装置
JP2009175416A (ja) 2008-01-24 2009-08-06 Brother Ind Ltd 画像形成装置
JP2013120235A (ja) 2011-12-06 2013-06-17 Canon Inc 画像形成装置
JP2018001752A (ja) 2016-06-22 2018-01-11 株式会社リコー 画像形成装置
JP2018060091A (ja) 2016-10-06 2018-04-12 キヤノン株式会社 画像形成装置
JP2021154745A (ja) 2017-06-16 2021-10-07 キヤノン株式会社 光プリントヘッドを備える画像形成装置
JP2020091363A (ja) 2018-12-04 2020-06-11 キヤノン株式会社 光プリントヘッドを備える画像形成装置
US11036178B1 (en) 2020-02-07 2021-06-15 Toshiba Tec Kabushiki Kaisha Exposure device of image forming apparatus

Also Published As

Publication number Publication date
EP4361734A3 (en) 2024-07-24
JP2026012257A (ja) 2026-01-23
EP4242746A1 (en) 2023-09-13
EP4361734A2 (en) 2024-05-01
US20250060688A1 (en) 2025-02-20
JP2023132361A (ja) 2023-09-22
US20230288840A1 (en) 2023-09-14
US12164240B2 (en) 2024-12-10
CN116736661A (zh) 2023-09-12

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