EP0859289A3 - A sheet stacker for preventing missing pages and a printer using the sheet stacker - Google Patents

A sheet stacker for preventing missing pages and a printer using the sheet stacker Download PDF

Info

Publication number
EP0859289A3
EP0859289A3 EP97307961A EP97307961A EP0859289A3 EP 0859289 A3 EP0859289 A3 EP 0859289A3 EP 97307961 A EP97307961 A EP 97307961A EP 97307961 A EP97307961 A EP 97307961A EP 0859289 A3 EP0859289 A3 EP 0859289A3
Authority
EP
European Patent Office
Prior art keywords
sheet
path
printer
sheet stacker
stacker
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.)
Withdrawn
Application number
EP97307961A
Other languages
German (de)
French (fr)
Other versions
EP0859289A2 (en
Inventor
Nobuo Fujita
Shoki Iwawaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of EP0859289A2 publication Critical patent/EP0859289A2/en
Publication of EP0859289A3 publication Critical patent/EP0859289A3/en
Withdrawn legal-status Critical Current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
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6552—Means for discharging uncollated sheet copy material, e.g. discharging rollers, exit trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H15/00—Overturning articles
    • B65H15/004—Overturning articles employing rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/60—Article switches or diverters diverting the stream into alternative paths
    • 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
    • G03G15/6573—Feeding path after the fixing point and up to the discharge tray or the finisher, e.g. special treatment of copy material to compensate for effects from the fixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/333—Inverting
    • B65H2301/3331—Involving forward reverse transporting means
    • B65H2301/33312—Involving forward reverse transporting means forward reverse rollers pairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • 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
    • G03G2215/00548—Jam, error detection, e.g. double feeding
    • 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
    • G03G2215/00548—Jam, error detection, e.g. double feeding
    • G03G2215/00552—Purge of recording medium at jam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Pile Receivers (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Handling Of Cut Paper (AREA)

Abstract

A sheet stacker prevents a sheet remaining in a reversing path from falling inside the sheet stacker when an initializing operation is performed. The sheet stacker is used with a printer (11) ejecting a sheet having a printed surface. A sheet reversing mechanism (51) reverses the sheet by switching the sheet ejected from the printer (11) from a first side to a second side. The sheet is stacked on a table (52) with the printed surface facing downwardly. In the sheet reversing mechanism, a receiving path (62) receives the sheet ejected from the printer (11). A reversing path (63) is connected to the receiving path (62), and an ejecting path (64) guides the sheet ejected from the reversing path (63) to the table (52). The sheet stacker is further provided with a sheet purge table (54) and a sheet purge path (53) provided between a lower end of the reversing path (63) and the sheet purge table (54). A sheet remaining inside the sheet reversing mechanism is ejected onto the sheet purge table (54) through the sheet purge path (53) by an initializing operation performed after recovery from an abnormality of the printer (11).
EP97307961A 1997-02-14 1997-10-07 A sheet stacker for preventing missing pages and a printer using the sheet stacker Withdrawn EP0859289A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30505/97 1997-02-14
JP9030505A JPH10226448A (en) 1997-02-14 1997-02-14 Sheet stacker and printer

Publications (2)

Publication Number Publication Date
EP0859289A2 EP0859289A2 (en) 1998-08-19
EP0859289A3 true EP0859289A3 (en) 1998-10-14

Family

ID=12305685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97307961A Withdrawn EP0859289A3 (en) 1997-02-14 1997-10-07 A sheet stacker for preventing missing pages and a printer using the sheet stacker

Country Status (2)

Country Link
EP (1) EP0859289A3 (en)
JP (1) JPH10226448A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5186326B2 (en) * 2008-09-30 2013-04-17 理想科学工業株式会社 Printing device recovery mechanism and paper transport device
JP2014015326A (en) * 2012-07-11 2014-01-30 Glory Ltd Front-back reversing mechanism and ballot sorter
JP6156438B2 (en) 2015-05-01 2017-07-05 コニカミノルタ株式会社 Sheet conveying apparatus, and image forming apparatus and image forming system including the same
JP6237695B2 (en) * 2015-05-01 2017-11-29 コニカミノルタ株式会社 Sheet conveying apparatus, and image forming apparatus and image forming system including the same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01172150A (en) * 1987-12-25 1989-07-07 Canon Inc Image forming device
US4955597A (en) * 1986-05-15 1990-09-11 Minolta Camera Kabushiki Kaisha Copying apparatus having a device for holding sheets
JPH02232664A (en) * 1989-03-06 1990-09-14 Konica Corp Recorder capable of double-sided recording
JPH03278069A (en) * 1990-03-27 1991-12-09 Sharp Corp Copying machine with original feeding device
JPH0535018A (en) * 1991-08-01 1993-02-12 Canon Inc Image forming device provided with reversing path
JPH07267462A (en) * 1994-03-30 1995-10-17 Canon Inc Sheet material inverting device and image forming device
JPH08268618A (en) * 1995-04-05 1996-10-15 Ricoh Co Ltd Paper inverting mechanism and image forming device using the same
JPH09124208A (en) * 1995-10-31 1997-05-13 Daiwa Seiko Inc Paper reversing device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955597A (en) * 1986-05-15 1990-09-11 Minolta Camera Kabushiki Kaisha Copying apparatus having a device for holding sheets
JPH01172150A (en) * 1987-12-25 1989-07-07 Canon Inc Image forming device
JPH02232664A (en) * 1989-03-06 1990-09-14 Konica Corp Recorder capable of double-sided recording
JPH03278069A (en) * 1990-03-27 1991-12-09 Sharp Corp Copying machine with original feeding device
JPH0535018A (en) * 1991-08-01 1993-02-12 Canon Inc Image forming device provided with reversing path
JPH07267462A (en) * 1994-03-30 1995-10-17 Canon Inc Sheet material inverting device and image forming device
JPH08268618A (en) * 1995-04-05 1996-10-15 Ricoh Co Ltd Paper inverting mechanism and image forming device using the same
JPH09124208A (en) * 1995-10-31 1997-05-13 Daiwa Seiko Inc Paper reversing device

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 449 (M - 878) 9 October 1989 (1989-10-09) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 547 (P - 1138) 5 December 1990 (1990-12-05) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 102 (P - 1324) 12 March 1992 (1992-03-12) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 323 (P - 1559) 18 June 1993 (1993-06-18) *
PATENT ABSTRACTS OF JAPAN vol. 096, no. 002 29 February 1996 (1996-02-29) *
PATENT ABSTRACTS OF JAPAN vol. 097, no. 002 28 February 1997 (1997-02-28) *
PATENT ABSTRACTS OF JAPAN vol. 097, no. 009 30 September 1997 (1997-09-30) *

Also Published As

Publication number Publication date
EP0859289A2 (en) 1998-08-19
JPH10226448A (en) 1998-08-25

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