JP2021187631A - 画像形成装置 - Google Patents

画像形成装置 Download PDF

Info

Publication number
JP2021187631A
JP2021187631A JP2020095408A JP2020095408A JP2021187631A JP 2021187631 A JP2021187631 A JP 2021187631A JP 2020095408 A JP2020095408 A JP 2020095408A JP 2020095408 A JP2020095408 A JP 2020095408A JP 2021187631 A JP2021187631 A JP 2021187631A
Authority
JP
Japan
Prior art keywords
sheet
unit
image forming
width direction
skew correction
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.)
Pending
Application number
JP2020095408A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021187631A5 (enExample
Inventor
篤史 吉田
Atsushi Yoshida
賢一 廣田
Kenichi Hirota
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 JP2020095408A priority Critical patent/JP2021187631A/ja
Priority to EP21174255.6A priority patent/EP3923081B1/en
Priority to EP23159613.1A priority patent/EP4220305B1/en
Priority to US17/324,276 priority patent/US12007711B2/en
Priority to CN202310886839.9A priority patent/CN117008435A/zh
Priority to CN202110608683.9A priority patent/CN113759679B/zh
Priority to KR1020210070879A priority patent/KR102874834B1/ko
Publication of JP2021187631A publication Critical patent/JP2021187631A/ja
Publication of JP2021187631A5 publication Critical patent/JP2021187631A5/ja
Priority to US18/346,991 priority patent/US20230341804A1/en
Priority to JP2024190659A priority patent/JP2025003738A/ja
Pending legal-status Critical Current

Links

Images

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
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • G03G15/6567—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for deskewing or aligning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/10—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/002—Registering, e.g. orientating, articles; Devices therefor changing orientation of sheet by only controlling movement of the forwarding means, i.e. without the use of stop or register wall
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
    • G03G15/232—Arrangements for copying on both sides of a recording or image-receiving material using a single reusable electrographic recording member
    • G03G15/234—Arrangements for copying on both sides of a recording or image-receiving material using a single reusable electrographic recording member by inverting and refeeding the image receiving material with an image on one face to the recording member to transfer a second image on its second face, e.g. by using a duplex tray; Details of duplex trays or inverters
    • G03G15/235—Arrangements for copying on both sides of a recording or image-receiving material using a single reusable electrographic recording member by inverting and refeeding the image receiving material with an image on one face to the recording member to transfer a second image on its second face, e.g. by using a duplex tray; Details of duplex trays or inverters the image receiving member being preconditioned before transferring the second image, e.g. decurled, or the second image being formed with different operating parameters, e.g. a different fixing temperature
    • 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
    • G03G15/6502—Supplying of sheet copy material; Cassettes therefor
    • 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
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • G03G15/6561—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for sheet registration
    • 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
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • G03G15/6561—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for sheet registration
    • G03G15/6564—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for sheet registration with correct timing of sheet feeding
    • 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
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6579—Refeeding path for composite copying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/142—Roller pairs arranged on movable frame
    • B65H2404/1424—Roller pairs arranged on movable frame moving in parallel to their axis
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/00417—Post-fixing device
    • G03G2215/0043—Refeeding path
    • G03G2215/00438—Inverter of refeeding path
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00556—Control of copy medium feeding
    • G03G2215/00561—Aligning or deskewing
    • G03G2215/00565—Mechanical details
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00679—Conveying means details, e.g. roller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Paper Feeding For Electrophotography (AREA)
JP2020095408A 2020-06-01 2020-06-01 画像形成装置 Pending JP2021187631A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2020095408A JP2021187631A (ja) 2020-06-01 2020-06-01 画像形成装置
EP21174255.6A EP3923081B1 (en) 2020-06-01 2021-05-18 Image forming apparatus
EP23159613.1A EP4220305B1 (en) 2020-06-01 2021-05-18 Image forming apparatus
US17/324,276 US12007711B2 (en) 2020-06-01 2021-05-19 Image forming apparatus
CN202110608683.9A CN113759679B (zh) 2020-06-01 2021-06-01 成像设备
CN202310886839.9A CN117008435A (zh) 2020-06-01 2021-06-01 成像设备
KR1020210070879A KR102874834B1 (ko) 2020-06-01 2021-06-01 화상 형성 장치
US18/346,991 US20230341804A1 (en) 2020-06-01 2023-07-05 Image forming apparatus
JP2024190659A JP2025003738A (ja) 2020-06-01 2024-10-30 画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020095408A JP2021187631A (ja) 2020-06-01 2020-06-01 画像形成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024190659A Division JP2025003738A (ja) 2020-06-01 2024-10-30 画像形成装置

Publications (2)

Publication Number Publication Date
JP2021187631A true JP2021187631A (ja) 2021-12-13
JP2021187631A5 JP2021187631A5 (enExample) 2023-06-08

Family

ID=75977618

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2020095408A Pending JP2021187631A (ja) 2020-06-01 2020-06-01 画像形成装置
JP2024190659A Pending JP2025003738A (ja) 2020-06-01 2024-10-30 画像形成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024190659A Pending JP2025003738A (ja) 2020-06-01 2024-10-30 画像形成装置

Country Status (5)

Country Link
US (2) US12007711B2 (enExample)
EP (2) EP4220305B1 (enExample)
JP (2) JP2021187631A (enExample)
KR (1) KR102874834B1 (enExample)
CN (2) CN117008435A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021187631A (ja) 2020-06-01 2021-12-13 キヤノン株式会社 画像形成装置
JP7589582B2 (ja) * 2021-02-22 2024-11-26 富士フイルムビジネスイノベーション株式会社 検出装置、及び画像形成装置
JP2023080389A (ja) * 2021-11-30 2023-06-09 キヤノン株式会社 画像形成装置
DE102022112359A1 (de) 2022-05-17 2023-11-23 Manz Ag Prozessanlage zur Prozessanwendung an einem Werkstück sowie Verfahren Prozessanwendung an dem Werkstück

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10129912A (ja) * 1996-10-28 1998-05-19 Fuji Xerox Co Ltd 用紙反転装置
JPH1138693A (ja) * 1997-07-22 1999-02-12 Copyer Co Ltd 画像形成装置
JP2002003018A (ja) * 2000-06-27 2002-01-09 Kyocera Corp シート反転ユニット
JP2006062851A (ja) * 2004-08-27 2006-03-09 Murata Mach Ltd 画像形成装置
JP2006301087A (ja) * 2005-04-18 2006-11-02 Ricoh Co Ltd 画像形成装置
JP2012056668A (ja) * 2010-09-07 2012-03-22 Canon Inc 画像形成装置
US20170235254A1 (en) * 2016-02-16 2017-08-17 Canon Kabushiki Kaisha Image forming apparatus
US20190161298A1 (en) * 2017-11-29 2019-05-30 Ricoh Company, Ltd. Sheet conveying device and image forming apparatus incorporating the sheet conveying device
JP2019099377A (ja) * 2017-11-29 2019-06-24 株式会社リコー 搬送装置、画像形成装置
US20190241385A1 (en) * 2018-02-08 2019-08-08 Ricoh Company, Ltd. Image forming apparatus and method of correcting positional deviation of sheet

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635920A (en) * 1984-07-20 1987-01-13 Ricoh Company, Ltd. Selective sheet loading apparatus
US4823159A (en) * 1985-04-25 1989-04-18 Canon Kabushiki Kaisha Image forming apparatus
US4878656A (en) 1987-03-20 1989-11-07 Canon Kabushiki Kaisha Sheet finisher
US5018716A (en) 1988-03-11 1991-05-28 Canon Kabushiki Kaisha Sheet transporting apparatus with control means
US5105225A (en) 1989-02-17 1992-04-14 Canon Kabushiki Kaisha Image forming apparatus with increased throughput from simultaneous scanning and original feed
US5351112A (en) 1992-01-13 1994-09-27 Canon Kabushiki Kaisha Original feeding apparatus and image forming system with it
US5442431A (en) 1992-04-22 1995-08-15 Canon Kabushiki Kaisha Automatic original feeding apparatus of original side-by-side mount type
US5671917A (en) 1992-06-26 1997-09-30 Canon Aptex Inc. Original convey apparatus with last original detection sensor
US6032949A (en) * 1995-10-03 2000-03-07 Canon Kabushiki Kaisha Sheet conveying device and sheet processing apparatus
JP3745045B2 (ja) 1996-09-30 2006-02-15 キヤノン株式会社 原稿表裏反転装置を備える原稿搬送装置及び画像形成装置
US6021305A (en) 1996-09-30 2000-02-01 Canon Kabushiki Kaisha Sheet original conveying apparatus for duplex copying
US5732620A (en) * 1997-04-11 1998-03-31 Xerox Corporation Stalled sheet pulling and crushing apparatus in an electrostatographic machine
JP2001206646A (ja) * 2000-12-05 2001-07-31 Fuji Xerox Co Ltd 画像形成装置
JP2006036483A (ja) 2004-07-28 2006-02-09 Brother Ind Ltd 画像記録装置
JP4785474B2 (ja) 2005-09-13 2011-10-05 キヤノン株式会社 シート処理装置、および画像形成装置
JP4764282B2 (ja) 2006-08-08 2011-08-31 キヤノン株式会社 シート搬送装置及び画像形成装置
EP1892582B1 (en) 2006-08-22 2010-10-06 Ricoh Company, Ltd. Sheet Aligning Device and Image Forming Apparatus Including the Same
JP4842877B2 (ja) 2006-08-22 2011-12-21 株式会社リコー シート整合装置、およびそれを用いた画像形成装置
US20080251998A1 (en) 2007-04-11 2008-10-16 Takayuki Muneyasu Sheet aligning device and image forming apparatus using the same
JP4941669B2 (ja) 2007-12-12 2012-05-30 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
JP5349989B2 (ja) 2009-01-29 2013-11-20 キヤノン株式会社 画像形成装置
JP5404209B2 (ja) * 2009-06-29 2014-01-29 キヤノン株式会社 シート搬送装置及び画像形成装置
JP5721399B2 (ja) 2010-11-10 2015-05-20 キヤノン株式会社 シート搬送装置及び画像形成装置
JP5822585B2 (ja) 2011-07-28 2015-11-24 キヤノン株式会社 画像形成装置
JP6098877B2 (ja) * 2012-06-13 2017-03-22 株式会社リコー シート材位置補正装置、及び、画像形成装置
JP5765302B2 (ja) * 2012-08-17 2015-08-19 コニカミノルタ株式会社 画像形成装置
JP5983686B2 (ja) 2014-07-23 2016-09-06 コニカミノルタ株式会社 用紙搬送装置及び画像形成装置
US9348291B2 (en) * 2014-10-10 2016-05-24 Ricoh Company, Ltd. Image forming apparatus and image forming system with correction mechanism
JP2016110037A (ja) * 2014-12-10 2016-06-20 株式会社リコー 画像形成装置
JP6546475B2 (ja) 2015-08-12 2019-07-17 キヤノン株式会社 画像形成装置
JP2017057019A (ja) 2015-09-14 2017-03-23 キヤノン株式会社 シート搬送装置及び画像形成装置
US10197961B2 (en) * 2016-02-16 2019-02-05 Canon Kabushiki Kaisha Image forming apparatus
JP6669395B2 (ja) 2016-03-30 2020-03-18 キヤノン株式会社 シート搬送装置及び画像形成装置
JP6808367B2 (ja) * 2016-06-16 2021-01-06 キヤノン株式会社 画像形成装置、及びその制御方法
JP6938287B2 (ja) * 2017-09-06 2021-09-22 キヤノン株式会社 画像形成装置
US11231672B2 (en) * 2017-09-28 2022-01-25 Canon Kabushiki Kaisha Image forming apparatus
JP7027780B2 (ja) * 2017-10-04 2022-03-02 コニカミノルタ株式会社 画像形成装置及び制御方法
JP7175684B2 (ja) 2018-09-13 2022-11-21 キヤノン株式会社 測定装置及び画像形成システム
US11548757B2 (en) 2019-07-12 2023-01-10 Canon Kabushiki Kaisha Image forming apparatus
JP7451104B2 (ja) 2019-08-01 2024-03-18 キヤノン株式会社 画像形成装置
JP2021187631A (ja) 2020-06-01 2021-12-13 キヤノン株式会社 画像形成装置

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10129912A (ja) * 1996-10-28 1998-05-19 Fuji Xerox Co Ltd 用紙反転装置
JPH1138693A (ja) * 1997-07-22 1999-02-12 Copyer Co Ltd 画像形成装置
JP2002003018A (ja) * 2000-06-27 2002-01-09 Kyocera Corp シート反転ユニット
JP2006062851A (ja) * 2004-08-27 2006-03-09 Murata Mach Ltd 画像形成装置
JP2006301087A (ja) * 2005-04-18 2006-11-02 Ricoh Co Ltd 画像形成装置
JP2012056668A (ja) * 2010-09-07 2012-03-22 Canon Inc 画像形成装置
US20170235254A1 (en) * 2016-02-16 2017-08-17 Canon Kabushiki Kaisha Image forming apparatus
JP2017145091A (ja) * 2016-02-16 2017-08-24 キヤノン株式会社 画像形成装置
US20190161298A1 (en) * 2017-11-29 2019-05-30 Ricoh Company, Ltd. Sheet conveying device and image forming apparatus incorporating the sheet conveying device
JP2019099377A (ja) * 2017-11-29 2019-06-24 株式会社リコー 搬送装置、画像形成装置
US20190241385A1 (en) * 2018-02-08 2019-08-08 Ricoh Company, Ltd. Image forming apparatus and method of correcting positional deviation of sheet
JP2019136910A (ja) * 2018-02-08 2019-08-22 株式会社リコー 画像形成装置

Also Published As

Publication number Publication date
CN113759679B (zh) 2023-07-28
CN113759679A (zh) 2021-12-07
US20230341804A1 (en) 2023-10-26
EP4220305A3 (en) 2023-08-09
US20210373477A1 (en) 2021-12-02
EP4220305B1 (en) 2025-10-22
KR20210148949A (ko) 2021-12-08
EP3923081A1 (en) 2021-12-15
EP4220305A2 (en) 2023-08-02
CN117008435A (zh) 2023-11-07
EP3923081B1 (en) 2023-04-19
US12007711B2 (en) 2024-06-11
JP2025003738A (ja) 2025-01-09
KR102874834B1 (ko) 2025-10-23

Similar Documents

Publication Publication Date Title
JP2021187631A (ja) 画像形成装置
JP6742747B2 (ja) 画像形成装置
JP6942441B2 (ja) シート搬送装置及び画像形成装置
JP6546475B2 (ja) 画像形成装置
JP6659152B2 (ja) 画像形成装置
US11966183B2 (en) Sheet conveyance apparatus and image forming apparatus
JP5371409B2 (ja) 画像形成装置
JP6808367B2 (ja) 画像形成装置、及びその制御方法
JP5121327B2 (ja) 画像形成装置
US12344504B2 (en) Image forming apparatus
JP7703343B2 (ja) 画像形成装置
JP4730288B2 (ja) 画像形成装置
US9242824B2 (en) Transport mechanism and image forming apparatus
JP4710765B2 (ja) 用紙搬送装置及び画像形成装置
JP6855234B2 (ja) 画像形成装置
US20240101381A1 (en) Sheet transporting device and image forming apparatus
JP2006016189A (ja) 用紙反転搬送装置およびそれを備えた画像形成装置
JP2023020342A (ja) シート搬送装置及び画像形成装置
JP2020172343A (ja) シート搬送装置および画像形成装置
JP2019028335A (ja) 画像形成装置
JP2019045803A (ja) 画像形成装置
JP2010169712A (ja) 画像形成装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230531

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230531

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240304

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240312

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240510

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240730