US20120161379A1 - Post-processing apparatus and image forming system - Google Patents

Post-processing apparatus and image forming system Download PDF

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Publication number
US20120161379A1
US20120161379A1 US13/335,227 US201113335227A US2012161379A1 US 20120161379 A1 US20120161379 A1 US 20120161379A1 US 201113335227 A US201113335227 A US 201113335227A US 2012161379 A1 US2012161379 A1 US 2012161379A1
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United States
Prior art keywords
section
stacker
sheet
post
recording material
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.)
Abandoned
Application number
US13/335,227
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English (en)
Inventor
Naoki Matsui
Keisuke Oshima
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.)
Konica Minolta Business Technologies Inc
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Konica Minolta Business Technologies Inc
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Filing date
Publication date
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Assigned to KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. reassignment KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MATSUI, NAOKI, OSHIMA, KEISUKE
Publication of US20120161379A1 publication Critical patent/US20120161379A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/02—Pile receivers with stationary end support against which pile accumulates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles
    • B65H31/36—Auxiliary devices for contacting each article with a front stop as it is piled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1115—Bottom with surface inclined, e.g. in width-wise direction
    • B65H2405/11152—Bottom with surface inclined, e.g. in width-wise direction with surface inclined downwardly in transport direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • 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
    • B65H2511/10—Size; Dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/20—Volume; Volume flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/24—Post -processing devices
    • B65H2801/27—Devices located downstream of office-type machines

Definitions

  • the present invention relates to a post-processing apparatus to apply post-processing to a recording material conveyed from an image forming apparatus and an image forming system.
  • a post-processing apparatus is connected.
  • post-processing such as bookbinding
  • the post processing apparatus is provided with a stacker disposed obliquely with respect to the horizontal plane (a installation surface of the post-processing apparatus), and is configured so that the sheets (recording materials) conveyed from the image forming apparatus are stacked sequentially on a stacking surface of the stacker by it's own weight.
  • the sheets conveyed from the image forming apparatus are brought into the stacking surface of the stacker and subsequently slide down along the stacking surface of the stacker by free fall then lower edges of the sheets come to contact with a stopper disposed at a lower end of the stacker to be aligned as a sheet bundle.
  • register of the sheets may be incomplete only by the free fall method, if the sheets stacked in advance stick each other and cannot be separated even on the stacker.
  • Patent Document 1 Unexamined Japanese Patent Application Publication No. 2003-192213.
  • Patent Document 1 Unexamined Japanese Patent Application Publication No. 2003-192213
  • the present invention has one aspect to solve the above problems and an object of the present invention is to provide a post-processing apparatus and an image forming system to enhance accuracy of register of the recording material bundle.
  • the post-processing apparatus and the image forming system reflecting one aspect of the present invention comprises the following structures:
  • FIG. 1 is an external view showing an exemplary configuration of an image forming system 100 related to an embodiment of the present invention.
  • FIG. 2 is a diagram showing an exemplary configuration of relevant parts of a post-processing apparatus FS related to an embodiment of the present invention.
  • FIG. 3 a schematic diagram to explain a case that an edge section of a large sheet bundle in a sheet ejection direction is registered using a blower 3 related to an embodiment of the present invention.
  • FIG. 4 is a perspective view of a sheet stacking section 2 and a blower section 3 related to embodiments of the present invention.
  • FIG. 5 is a diagram schematically showing a structure of a cross-section between X 1 to Z 2 shown by FIG. 4 .
  • FIG. 6 is a block diagram exemplifies a control system 6 related to an embodiment of the present invention.
  • FIG. 7 is a flow chart showing an exemplary control of a control system 6 related to an embodiment of the present invention.
  • FIG. 1 is an external view showing an exemplary configuration of an image forming system 100 related to an embodiment of the present invention.
  • the image forming system 100 includes an image forming apparatus A and a post-processing apparatus FS (Finishing Apparatus).
  • the image forming apparatus A is provided with an automatic document feeding apparatus) ADF to convey a document to a scanning section (unillustrated) and an operation display section O to prompt a user to operate and to accept operation of the user.
  • ADF automatic document feeding apparatus
  • the image forming apparatus A is a digital multifunction peripheral enables monochrome and color printing by an electrophotographic method.
  • the image forming apparatus A will be described as an apparatus using the electrophotographic method, it can be an apparatus using another image forming method such as an inkjet method.
  • the image forming apparatus A creates image data of the document by scanning the document conveyed to the scanning section through the automatic document feeding apparatus ADF. Basically the image forming apparatus A forms an image of the image data on a sheet by sequentially conducting charging processing, exposing processing, developing processing, transfer processing and cleaning processing. The image forming apparatus A conveys the sheet on which the image is formed to the post-processing apparatus FS.
  • the post-processing apparatus FS conducts “a sheet bundle forming process” to form a sheet bundle as the post-processing by sequentially brought in the sheets from the image forming apparatus A. At the sheet bundle forming process, the post-processing apparatus FS aligns the sheet bundle. The post-processing apparatus FS applies a binding process by a stapler to the sheet bundle aligned and ejects the sheet bundle to a sheet ejection tray T. As the post-processing, besides the above, “perforation processing” to from a hole at a given position on the sheet, “folding processing” to fold the sheet, and “gluing and bookbinding processing” to apply a glue are cited.
  • the post-processing conducted by the post-processing apparatus FS is selected by an instruction of the user using the operation display section O or in case the image forming apparatus is connected via network, the post processing is designated by an external equipment such as a PC.
  • the sheet bundle forming processing will be described.
  • FIG. 2 is a diagram showing an exemplary configuration of relevant parts of the post-processing apparatus FS related to an embodiment of the present invention.
  • the post-processing apparatus FS is provided with a sheet introducing section 1 , a sheet stacking section 2 , a blower section 3 , a sheet ejection section 4 and an ejected sheet tray T.
  • the sheet conveyance section 1 is provided with a pair of introducing rollers RE At the sheet introducing section 1 , the pair of the introducing rollers R 1 nips the sheet ejected from the image forming apparatus A.
  • the sheet introducing section 1 conveys the sheet to the sheet stacking section 2 as the conveyance path a shows.
  • the sheet stacking section 2 is provided with a stacker 21 to stack the sheet.
  • the stacker 21 is disposed with an ascending vertical angle with respect to a horizontal plane HP on which the post-processing apparatus is installed.
  • the blower section 3 is disposed at a lower end side of the stacker 21 along the oblique direction of the stacker 21 .
  • the blower section 3 blows air towards an upper end side from the lower end side of the stacker 21 .
  • the post-processing apparatus FS temporally stores and stacks several sheets introduced in the above period in another sheet accumulating device (unillustrated) disposed at an upstream side of the sheet stacking section 2 in the sheet conveyance direction.
  • the post processing apparatus FS conveys the sheets temporally stored to the sheet stacking section 2 .
  • the sheet stacking section 2 stacks subsequent sheets newly conveyed to configure the same booklet onto the sheet bundle of several sheets. A case that a sheet bundle in which several sheets are stacked is conveyed to the stacker 21 will be exemplified as follow.
  • the sheet bundle S configured with several sheets grasped by the conveyance rollers 29 a and 29 b via the conveyance path a is conveyed to the stacker 21 .
  • the sheet bundle S falls towards the stacking surface P of the stacker 21 by its own weight and slides on the stacker 21 then stops at the stopper 22 .
  • FIG. 4 is a perspective view of the sheet stacking section 2 and the blower section 3 related to the embodiment of the present invention.
  • a binding section 5 to conduct the binding process is also shown.
  • the sheet stacking section 2 is provided with a sheet ejection belt 23 , a registration member 24 , a first registration member 25 R and a second registration member 24 L, a flap 26 and a shaft 27 .
  • Stacker 21 is configured with a first guide plate 21 R, and a second guide plate 21 L.
  • the first guide plate 21 R, and the second guide plate 21 L are substantially in shapes of rectangles respectively.
  • the first and second guides are disposed parallel to each other and separated in the X direction with a gap in which an ejection belt 23 rotates in the Y direction.
  • the stacker 21 can be formed as a single piece. The stacker 21 stacks the sheets conveyed onto the stacking surface P.
  • the stopper 22 is provided with a first stopper member 22 R and the second stopper member 22 L.
  • the first stopper member 22 R is extending from the lower end D of the first guide plate 21 R for a given distance and then extending in a positive direction of the Z axis.
  • the first and second stopper members 22 R and 22 L are separated in parallel to the X direction with a distance which is wider that a width of the ejection belt 23 .
  • the stopper 22 receives the sheet sliding on the stacking surface P of the stacker 21 in the oblique direction (negative direction of the Y axis).
  • the ejection belt 23 is supported by a first drive pulley 210 and a second driven pulley 211 which are disposed to be distant in the Y axis direction between the first and the second guide plates 21 R and 21 L.
  • the ejection belt 23 moves along the Y axis by rotation of the first drive pulley 210 and the second driven pulley 211 .
  • the registration member 24 is a rectangle or a substantially rectangle member having a long side which is perpendicular to the ejection belt 23 .
  • a bottom section of the registration member 24 is fixed onto the ejection belt 23 .
  • the width of the registration member 24 is slightly wider than the width of the ejection belt 23 .
  • the width of the registration member 24 can be the same or substantially the same as that of the ejection belt 23 .
  • the first and second aligning members 25 R and 25 L press the sheet bundle from both sides edge to align the edge section of sheet bundle in a lateral direction.
  • the lateral direction refers to a perpendicular direction with respect to the ejection direction.
  • the shaft 27 is connected with, for example, an (unillustrated) transmission mechanism such as a gear train at an end.
  • the shaft 27 rotates via the transmission mechanism when a fourth drive motor M 4 (refer to FIG. 6 ) rotates.
  • the outlet is located at a position which is approximately a width of the stapler 5 in the negative direction of Y axis away from the stopper 22 located at the lower end D of the stacker.
  • the amount of the blower section 3 will be described. Basically, as the number of the sheets stacked increases, an amount of the air blow from the blower 3 is increased. In accordance with the type, basis weight, weight and size of the sheet, the air blow amount can be adjusted as follow.
  • the coated sheet in case the surface of the sheet is coated as the coated sheet, the air from outside is difficult to penetrate when the air layer between the surfaces of the sheets is lost by a moisture absorption action thus the sheets tends to sticks each other.
  • the amount of air blow is increased.
  • the amount of air blow is increased.
  • the support bracket 31 is a bracket to adjust the position of the air blower section 3 so that the air discharged from the air blower section 3 flows along the stacking surface P from the lower end D to the upper end U.
  • the height and the position of the support bracket 31 are determined preferably at the planning stage.
  • the shaft 52 penetrating through an opening section 511 of a mount of the stapler 51 supports the stapler 51 so as to move the stapler 51 in the X axis direction.
  • the third pulley 54 is driven and rotated by the third motor M 3 (refer to FIG. 6 ).
  • the third pulley 54 drives the pulley 55 by rotating the belt 53 and reciprocates the stapler 51 along the shaft 52 .
  • the pair of the conveyance rollers 29 a and 29 b convey the sheet bundle S via the conveyance path a to the stacker 21 .
  • the sheet bundle S passed through the pair of the rollers 29 a and 29 b is lightly pressed downward towards the stacking surface P of the stacker 21 by the flap 26 at the rear edge SD and falls towards the stacking surface P.
  • a conveyance path al shown by a solid line in FIG. 5 shows a path through which the sheet bundle S whose rear edge SD is pressed by the flap 26 goes through.
  • a conveyance path a 2 shown by a one-dot chain line in FIG. 5 shows a virtual path which the sheet bundle S pursues in case the flap 26 does not operate.
  • the shaft 27 rotates in the negative direction.
  • the flap 26 returns from the given position to the stand-by position.
  • the flap 26 rotates in the positive direction from the stand-by position until it becomes substantially parallel to the stacker 21 , it can rotate in the positive direction until a front end of the flap 26 becomes perpendicular to the stacker 21 while pressing down the rear edge SD of the sheet bundle S.
  • the first drive pulley 210 rotates in the positive or the negative direction by rotation drive of the first drive motor M 1 (refer to FIG. 6 ) to drive and rotate the sheet ejection belt 23 and the driven pulley 211 .
  • the registration member 24 on the sheet ejection belt 23 moves to register and convey the sheet bundle S.
  • the air blower section 3 blows air along the stacking surface P from the lower end D to the upper end U of the stacker 21 .
  • the blower section 3 continues air blow at least in a time period from bringing the sheet bundle S in the stacker 21 until the sheet bundle S slides on the stacking surface P and the rear edge SD of the sheet bundle S comes in contact with the stopper 22 .
  • the stapler 51 shown in FIG. 4 is in the stand-by position where the air blown by the air blower section 3 does not go through. Therefore, the air discharged from the air blower section 3 flows from the lower end D to the upper end U of the stacker 21 without being interrupted by the stapler.
  • FIG. 6 is a block diagram exemplifying a control system 6 related to an embodiment of the present invention.
  • the control system 6 is provided with a RAM (Random Access Memory) 61 , a ROM (Read Only Memory) 62 , an input/output section (I/O) 63 and a control section 64 .
  • the control system 6 serves as a computer to control operation of the sheet stacking section 2 .
  • each component of the control system 6 is disposed in the post-processing apparatus FS, they can be disposed in the image forming apparatus A.
  • the input/output section 63 receives and transmits data between the sensor section 28 as well as the operation display section 0 , and the control section 64 .
  • the control section 64 is configured with, for example, a CPU (Central Processing Unit).
  • the control section 64 reads out the control program from the RAM 61 to conduct the following control in accordance with procedures of the control program.
  • the firs drive motor M 1 rotates the first drive pulley 210 in the positive rotation direction or the negative rotation direction in accordance with control of the control section 64 .
  • the second drive motor M 2 is, for example a stepping motor”.
  • the second drive motor M 2 rotates the second drive pulley 252 in the positive or the negative rotation direction in accordance with control of the control section 64 .
  • the third drive motor M 3 rotates the third drive pulley 54 in the positive or the negative rotation direction in accordance with control of the control section 64 .
  • the fourth drive motor M 4 rotates the shaft 27 in the positive or the negative rotation direction in accordance with control of the control section 64 .
  • FIG. 7 is a flow chart showing an exemplary operation of the sheet stacking section 2 and the blower section 3 related to an embodiment of the present invention. In an initial state, the blower section 3 is off and the flap 26 is in the stand-by position.
  • the control section 64 acquires the number of the sheets stacked when the sheets are conveyed to the sheet stacking section 2 . In case the number of the sheet stacked is more than 1 (YES), the operation proceeds to Step ST 2 . On the other hand, no sheet is stacked (NO), the operation proceeds to Step ST 4 .
  • the control section 64 judges whether or not the sheet size is larger than the standard size. In case the sheet size is larger than the standard size (YES), the operation proceeds to Step ST 3 . On the other hand, incase the sheet size is smaller that the standard size (NO), the operation proceeds to Step ST 4 .
  • the control section 64 switches the blower section 3 from off to on. Further, the control section 64 acquires the sheet size from the instruction of the user inputted from the operation display section O, and based on the above information and the number of the sheets stacked when the sheets were conveyed to the sheet stacking section 2 , the control section 64 adjusts the air blow amount of the blower section 3 .
  • the blower section 3 blows air in accordance with the air blow amount controlled by the control section 64 , the air flows along the stacking surface P from the lower end D to the upper end U of the stacker 21 .
  • the control section 64 can further adjust the air blow amount of the blower section 3 in accordance with the type, weight and basis weight of the sheet
  • control section 64 keeps the blower section 3 being off.
  • the aligning member 24 is at the stand-by position.
  • the sheet stacking section 2 conveys the sheet bundle S in which more than one sheets are stacked via the pair of the conveyance rollers 29 a and 29 b. Since the blower section 3 is turned on, air penetrates into the gap between the sheet surfaces and the thin air layer is formed between the sheet surfaces.
  • Step ST 5 the sensor section 28 detects passing of the sheet coming through the conveyance path a at the vicinity of the conveyance roller 29 c.
  • the sensor section 28 outputs a detection signal to notify passing to the control section 64 .
  • the control section 64 rotates the third drive motor M 3 in the positive rotation direction after an interval in which the vicinity of the rear edge SD of the sheet reaches to the flap 26 .
  • the shaft 27 rotates in the positive rotation direction and the flap 26 rotates in the positive rotation direction from the stand-by position to the given position.
  • the vicinity of the rear edge SD of the sheet bundle S is pushed lightly by the flap 26 towards the stacking surface of the stacker 21 , then the sheet bundle S falls towards the stacking surface P of the stacker 21 .
  • the control section 64 controls the second drive motor M 2 to rotate the second drive pulley 252 so that the first and the second width aligning members 25 R and 25 L approach each other in a level that they push down the both side edges of the sheet bundle S. Whereby, the first and the second width aligning members 25 R and 25 L push down the both side edges of the sheet bundle S on the stacker 21 .
  • Step ST 7 the edged section of the sheet bundle S in the lateral direction is aligned.
  • the sheet bundle S In case the sheet size exceeds the standard size (YES), the sheet bundle S, in a state that the air layer is formed in the gap between the sheet surfaces by the air blow from the blower section 3 , slides down on the stacking surface P by the gravity, and by an impact when the edge section of the sheet bundle S hits the stopper 22 , the sheets are registered in the longitudinal direction. Therefore, in the above case, the operation proceeds to Step ST 9 without carrying out registration of the edge section of the sheet bundle in the longitudinal direction by the aligning member 24 . On the other hand, in case that the sheet size is smaller than the standard size (NO), operation proceeds to Step ST 10 so as to carry out registration of the edge section of the sheet bundle in the longitudinal direction by the aligning member 24 .
  • the control section 64 judges whether or not the number of the sheets conveyed to the sheet stacking section 2 has reached to the designated number to configure the one booklet. In case the number of the sheets has reached to the designated number (YES), the operation proceeds to Step ST 11 . On the other hand, in case the number of the sheets has not reached to the designated number (NO), the operation proceeds to Step ST 1 .
  • the aligning of the edge section of the sheet bundle in the longitudinal direction is carried out using the aligning member 24 .
  • the control section 64 controls the first drive motor M 1 to rotate the first drive pulley 210 in the positive rotation direction so that the aligning member 24 contacts with the front edge section of the sheet bundle S and presses down the sheet bundle S lightly. Thereafter, the sheet ejection belt 23 rotates in the positive rotation direction and the aligning member 24 moves from the stand-by position in the negative direction of the Y axis.
  • the pressing surface of the aligning member 24 pushes down the front edge section of the sheet bundle S lightly, the rear edge section SD of the sheet bundle S comes to contact with the stopper 22 .
  • Step ST 10 the edge section of the sheet bundle S in the longitudinal direction is aligned.
  • Step ST 12 the control section 64 switches the blower section 3 from on to off so as to cease air blow.
  • Step ST 13 the operation proceeds to Step ST 13 .
  • control section 64 rotates the third motor M 3 to move the stapler 51 to the designated position.
  • the stapler 51 binds the sheet bundle S at the designated position.
  • the control section 64 controls the first drive motor M 1 to move the aligning member 24 as follow.
  • the aligning member 24 is supposed to be the stand-by position shown by FIG. 5 .
  • the control section 64 rotates the first pulley 210 in the negative rotation direction to move the aligning member 24 to the rear edge SD of the sheet bundle S via a reverse surface side of the stacker 21 . Further, the control section 64 rotates the first drive pulley 210 in the negative rotation direction so as to move the aligning member 24 from the lower end D of the stacker 21 to the stand-by position.
  • Step ST 14 the sheet bundle S is ejected to the ejected sheet tray T via the ejection rollers R 2 .
  • the blower section 3 blow air from the lower end D side to the upper end U side of the stacker 21 to separate the sheets each other, then the sheet bundle S is placed on the stacker 21 to register the sheet bundle S in the longitudinal direction. Therefore, a moving area of the aligning member 24 can be minimized and it is not necessary to extend the stacker 21 in the oblique direction.
  • increase in size of the post-processing apparatus can be suppressed and cost thereof can be reduced.
  • the sheet on which an image is formed often keeps the heat of the fixing process.
  • the air exhausted from the blower section 3 contacts with the sheet, thus there is a merit that the sheet can be cooled down quickly.
  • the sheet bundle can be registered in the longitudinal direction using the blower section 3 .
  • the coated sheets tend to stick each other can be unfailingly separated irrespective of the sheet size and a highly accurate register can be ensured.
  • Step ST 2 whether or not the sheet size is greater than the standard size is judged based on information inputted from the operation display section O.
  • whether or not the sheet size is greater than the standard size can be judged from a time interval between the sheets in the conveyance path a by using the sensor section 28 .
  • the longer interval between the sheets conveyed in the conveyance path a can be judged to be a larger sheet size.
  • the blower section 3 while the blower section 3 is used to maintain the accuracy of register in the stacker in which the post-processing is carried out, the blower section can be disposed at a position from which air is blown against the sheet ejected from the ejected sheet tray T so as to enhance the accuracy of register of the final ejected matter using the stacker as the ejected sheet tray.
  • ability of register of the recording material bundle can be enhanced while preventing the configuration of the apparatus from growing in size.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
US13/335,227 2010-12-28 2011-12-22 Post-processing apparatus and image forming system Abandoned US20120161379A1 (en)

Applications Claiming Priority (2)

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JPJP2010-293043 2010-12-28
JP2010293043A JP2012140202A (ja) 2010-12-28 2010-12-28 後処理装置および画像形成システム

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JP (1) JP2012140202A (ja)
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US9533852B2 (en) 2012-09-05 2017-01-03 Ricoh Company, Limited Sheet ejecting device, image forming system, and sheet ejecting method
EP3388377A1 (en) * 2017-04-07 2018-10-17 KYOCERA Document Solutions Inc. Post-processing apparatus
US20220281235A1 (en) * 2021-03-04 2022-09-08 Seiko Epson Corporation Post-processing apparatus

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JP7052565B2 (ja) * 2018-05-29 2022-04-12 京セラドキュメントソリューションズ株式会社 シート後処理装置およびそれを備えた画像形成システム

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US7762539B2 (en) * 2005-03-01 2010-07-27 Sharp Kabushiki Kaisha Sheet post-processing apparatus and image formation apparatus
US7832717B2 (en) * 2007-06-13 2010-11-16 Kabushiki Kaisha Toshiba Internal warming-up method and sheet post-processing apparatus including warming-up device
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Cited By (5)

* Cited by examiner, † Cited by third party
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US9533852B2 (en) 2012-09-05 2017-01-03 Ricoh Company, Limited Sheet ejecting device, image forming system, and sheet ejecting method
EP3388377A1 (en) * 2017-04-07 2018-10-17 KYOCERA Document Solutions Inc. Post-processing apparatus
US11274008B2 (en) * 2017-04-07 2022-03-15 Kyocera Document Solutions Inc. Post-processing apparatus
US20220281235A1 (en) * 2021-03-04 2022-09-08 Seiko Epson Corporation Post-processing apparatus
US11766878B2 (en) * 2021-03-04 2023-09-26 Seiko Epson Corporation Post-processing apparatus

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JP2012140202A (ja) 2012-07-26

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