CN1754810A - Sheet post-process apparatus - Google Patents

Sheet post-process apparatus Download PDF

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Publication number
CN1754810A
CN1754810A CN 200510102892 CN200510102892A CN1754810A CN 1754810 A CN1754810 A CN 1754810A CN 200510102892 CN200510102892 CN 200510102892 CN 200510102892 A CN200510102892 A CN 200510102892A CN 1754810 A CN1754810 A CN 1754810A
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CN
China
Prior art keywords
paper
post
processing
waiting tray
process apparatus
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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
CN 200510102892
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Chinese (zh)
Inventor
寺尾康伸
村上励至
伊势时彦
山本肇
泷裕之
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Toshiba TEC Corp
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Toshiba TEC Corp
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Filing date
Publication date
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Publication of CN1754810A publication Critical patent/CN1754810A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a paper reprocessing device which is provided with a door and a paper discharging plate, wherein, the door is used for repositioning the papers discharged by an image forming device into a paper transmission path which is required to carry out the reprocessing and a paper transmission path which is not required to carry out the reprocessing; the sheet discharging plate is used for receiving any paper among the paper after the reprocessing and without the reprocessing.

Description

Sheet post-process apparatus
CROSS-REFERENCE TO RELATED APPLICATIONS
The application is based on 2004-285354 number that submitted on September 29th, 2004 and the 2004-366524 Japanese patent application submitted on December 17th, 2004, and requires the preceence of these patent applications, and its content is hereby expressly incorporated by reference.
Technical field
The present invention relates to sheet post-process apparatus, be used for to from image processing system for example duplicator, chopping machine or the composite set paper of discharging carry out post-processing.
Background technology
In recent years, in image processing system,, for example paper is classified or bind, can sheet post-process apparatus be installed on the paper feeder unit next door of image processing system fuselage for the paper after image is formed carries out post-processing.In this sheet post-process apparatus, after waiting for that end is to the paper post-processing at preceding paper, carry out post-processing to follow-up paper.For the follow-up paper that so is ready to discharge,, can install such as the such toggle path of waiting tray (for example, Japanese patent application is 2004-155551 number) towards the middle part in the path of stapling unit according to routine from the image processing system fuselage.
Yet when the paper that will not carry out post-processing by same path was expelled to paper disc with the paper that will carry out post-processing, the image that must regulate image processing system formed speed.
Summary of the invention
The object of the present invention is to provide a kind of sheet post-process apparatus that solves the prior art defective, according to embodiments of the invention, a dedicated path that is used for non-post-processing paper is installed, and resulting sheet post-process apparatus can not reduce the production efficiency of image forming apparatus.
The invention provides a kind of sheet post-process apparatus, comprising:
Door, the paper that is used for discharging from image processing system branch to the transfer path and the transfer path that does not require the paper that carries out post-processing that the paper of post-processing is carried out in requirement;
Special-purpose paper path is used to not require the described paper that carries out post-processing;
Waiting tray is used for making predetermined paper to be in the described paper that described post-processing is carried out in requirement;
Process disk is arranged at described waiting tray below, is used to load the described paper that falls and import from described waiting tray, and/or the described paper that does not pass through described waiting tray of discharging from described image processing system;
Processing mechanism is used for the described paper that is loaded on the described process disk is carried out post-processing; And
Row's paper disc is used for loading and finishes after the described post-processing the described paper of discharging from described process disk and do not require the described paper that carries out post-processing.
Description of drawings
Fig. 1 is the transparent view that illustrates about the main portion of the sheet post-process apparatus of one embodiment of the present of invention;
Fig. 2 is the birds-eye view that illustrates about the main portion of the sheet post-process apparatus of one embodiment of the present of invention;
Fig. 3 is the schematic construction sketch that illustrates about the sheet post-process apparatus of one embodiment of the present of invention;
Fig. 4 is the transparent view that illustrates about the attachment means of the sheet post-process apparatus of one embodiment of the present of invention;
Fig. 5 is the transparent view that illustrates about vertical alignment roller of one embodiment of the present of invention;
Fig. 6 is the figure that illustrates about the push pedal of one embodiment of the present of invention;
Fig. 7 illustrates about the waiting tray of one embodiment of the present of invention and the perspective illustration of process disk;
Fig. 8 illustrates about the waiting tray of one embodiment of the present of invention and the birds-eye view of process disk;
Fig. 9 illustrates about the lateral alignment plate of one embodiment of the present of invention and the perspective illustration of belt conveyor;
Figure 10 is the figure that illustrates about the state of the paper that is pushed out on the waiting tray of one embodiment of the present of invention or the row's paper disc;
Figure 11 is the figure that moves that illustrates about the waiting tray of one embodiment of the present of invention;
Figure 12 is the schematic construction sketch that illustrates about the door G of one embodiment of the present of invention.
The specific embodiment
Embodiment that this paper explained and example are for for illustrational purpose, rather than limit apparatus and method of the present invention.
Below, with reference to the accompanying drawings embodiments of the invention are elaborated.
In addition, parts identical in the accompanying drawing represent with same numeral, and will the repetitive description thereof will be omitted.Fig. 1 is the transparent view that illustrates about the main portion of the sheet post-process apparatus 7 of one embodiment of the present of invention, Fig. 2 is the birds-eye view that illustrates about the main portion of this sheet post-process apparatus of one embodiment of the present of invention, and Fig. 3 illustrates to be arranged on for example schematic construction sketch of the sheet post-process apparatus 7 on duplicator next door of image processing system 5.
Sheet post-process apparatus 7 mainly is made up of waiting tray 10, process disk 12, attachment means 14, first row's paper disc 16 and second series paper disc 18.
By image processing system 5 for example the duplicator paper P that forms image thereon from a pair of exit roller 6, discharge, and receive by a pair of input roller 22.Input roller 22 is made up of last input roller 22a and following input roller 22b.Input roller 22 is driven by input roller motor 26.
As shown in figure 12, in the downstream of input roller 22 G is installed, the paper P that is used for receiving from input roller 22 is split into two paths (flow path).The cross-sectional plane that door G has wedge shape, the wedge angle part of this wedge shape is towards the rolling surface next door of input roller 22.A G is rotatably supported by the sidewall in the after-treatment device 7.The wedge angle of this wedge shape partly is arranged on the primary importance of roughly pointing to input roller 22a and the second place of roughly pointing to input roller 22b.
That is, primary importance is the position in path that is used for selecting carrying out the paper P of post-processing, and the second place is the position in path that is used for selecting not carrying out the paper P of post-processing.
When door G is in primary importance, paper P is imported first intake roller 24, be sent to waiting tray 10 from first intake roller 24 then.
The paper path top board 36 that is used for paper P is guided to first intake roller 24 is installed between input roller 22 and waiting tray 10.First intake roller 24 is made up of last intake roller and following intake roller.
Below waiting tray 10, be provided with process disk 12, be used to load the paper P that falls and import from waiting tray 10.
When by as the attachment means 14 bookbinding paper P of the processing mechanism that is used for carrying out post-processing the time, process disk 12 alignment are also supported and are wanted cargo-carring paper P.
As shown in Figure 7, when accumulation had the paper of predetermined quantity on waiting tray 10, the 10a of waiting tray portion and the 10b that will be arranged in the figure left side and the right by waiting tray motor 34 opened, and make paper P owing to own wt drops down onto on the process disk 12.
As shown in Figure 4, attachment means 14 is by attachment means driver element 49 location, and the bookbinding processing is controlled.Process disk 12 has pair of rolls, promptly goes up vertical alignment roller 38a and following vertical alignment roller 38b, and being used for alignment is the plurality of sheets of paper P that direction of transfer (with reference to figure 5) falls and imports from waiting tray 10 along the longitudinal direction.Upper and lower vertical alignment roller 38a and 38b be as paper volume transfer roller, is used to catch the paper volume T after the bookbinding, then it taken out from attachment means 14.Going up vertical alignment roller 38a is driven by last vertical alignment roller motor 40.Vertical alignment roller 38b is driven by down vertical alignment roller motor 42 down.
When paper P falls and is transported on the process disk 12, be provided with rotatable push pedal 44 at the rear end of every paper P lowering position, being used for vertically alignment and being loaded in uppermost paper P on the process disk 12.As shown in Figure 6, this push pedal 44 has: acceptance division 44a is used to receive the paper P that falls and be transported on the process disk 12; The 44b of beating portion is used for patting the paper P on the process disk 12 downwards; And paper feed part 44c, being used for the paper P on the registration process dish 12, this paper feed part is driven by push pedal motor 46.Push pedal 44 is made of elastic rubber material.
Place, end in the process disk 12 of attachment means 14 sides is equipped with stop part 45, is used for contacting with the rear end of every paper P, and controls the position of this rear end.Position in process disk 12 approximate mid-section is equipped with belt conveyor 50, is used for paper volume T upwards is sent to first or second series paper disc 16 or 18, and this paper volume T takes out from this attachment means by attachment means 14 bookbindings and by upper and lower vertical alignment roller 38a and 38b.Paper feeding pawl 50a is installed on belt conveyor 50, is used for the rear end that an ancient unit of weight lives in paper volume T.
Waiting tray 10 can make paper P fall and be transported on the process disk 12, and can transmit paper P to first and second row's paper discs 16 or 18.When row's paper disc 16 or 18 transmits paper P, the waiting tray roller 28 of paper P that is used to align contacts with paper P on the waiting tray 10.Waiting tray roller 28 moving longitudinally by 30 controls of waiting tray roller drive source, and drive its rotations by waiting tray roller motor 32.
Waiting tray 10 supports paper P, becomes to make its front end to be higher than its rear end to be located, thereby makes it have inclination angle [theta] 1.By row's paper disc driver element 52 make first or second series paper disc 16 or 18 move up and down, can select one.When loading paper P, first and second row's paper discs 16 or 18 are moved up and down to the height roughly the same with waiting tray 10 or process disk 12, thereby improve the conformability that paper P is discharged from.First or second series paper disc 16 or 18 to be set to its inclination angle be θ 2, to support paper P, make this paper P be oriented to the state that its front end is higher than its rear end.
As shown in Figure 7 and Figure 8, waiting tray 10 has a pair of diskware 10a and 10b, stretches out from its wall, receiving paper under the state that slides according to the width of paper P, and supports the both sides of paper P simultaneously.On diskware 10a and 10b, be equipped with and wait for stop part 10c and 10d, be used to regulate the rear end of paper P.
Waiting tray 10 slides by waiting tray motor 34 and moves.Between waiting tray 10 that paper arrived and process disk 12, lateral alignment plate 47a and 47b shown in Figure 9 are installed, be used for when paper P when waiting tray 10 falls and is transported on the process disk 12, prevent paper P along horizontal direction upset, and be used for laterally aliging paper perpendicular to direction of transfer. Lateral alignment plate 47a and 47b constitute in the mode of slip, thereby can be consistent by the width of lateral alignment motor 48 with paper P.
When door G is in the second place, will need the paper P that carries out post-processing to flow to second intake roller 60, and then flow to the 3rd intake roller 61.Second intake roller 60 and the 3rd intake roller 61 are made up of with following intake roller 60b and 61b last intake roller 60a and 61a respectively.
Paper path 63 is installed, and this paper path is used for paper P is guided to second intake roller 60 from input roller by door G shunting.In addition, between second intake roller 60 and the 3rd intake roller 61, independently paper path is installed.This is the transmission in order to ensure paper P.
As mentioned above, below the 3rd intake roller 61, be provided with first row's paper disc 16.First row's paper disc 16 receives and has carried out the paper P of post-processing and the paper P that does not carry out post-processing.
Next operation of the present invention will be described.When by image processing system 5 formation images and from exit roller 6 input paper P, sheet post-process apparatus 7 bases are carried out post-processing to paper P or are not carried out the different situations of post-processing, or, carry out different operations according to being in the post-processing or the different situations that post-processing has been finished at preceding paper P this moment.
When not carrying out post-processing, the wedge grip angle part of door G is in roughly points to the second place of input roller 22b down.To import second intake roller from the paper P of input roller 22 inputs, flow to the 3rd intake roller then.To be expelled to first row's paper disc 16 from the paper P of the 3rd intake roller input.
In this way, paper sequentially is loaded on first row's paper disc 16.It is θ 2 that first row's paper disc, 16 inclination angles are set, and make the front end of paper be higher than its rear end, thereby for example, even if paper P is transported to first row's paper disc 16 under the state that projection is curled shown in the dotted line among Figure 10, be loaded into also can not be pushed out on first row's paper disc 16 owing to preceding end in contact with follow-up paper at preceding paper P.That is, the paper P of discharge can sequentially be loaded on first row's paper disc 16, and can not upset order.Even by follow-up paper P pushing and have dislocation slightly, owing to there is inclination angle [theta] 2, so paper P also can fall and be loaded on first row's paper disc 16 owing to himself weight, its rear end is aligned simultaneously, arranges paper then and finishes dealing with at preceding paper P.
Next, be to bind processing and on process disk 12, do not have the situation that is in the bookbinding processing execution process with describing the post-processing that to carry out at preceding paper P.At this moment, waiting tray 10 slides diskware 10a and 10b always and moves to the position shown in the dotted line among Figure 11 along arrow m and n direction respectively, and opens whereabouts and the transport path of paper P.Paper P in order to align and to fall from intake roller 24 along horizontal direction is configured such that with lateral alignment plate 47a and 47b the interval between lateral alignment plate 47a and the 47b is substantially equal to the width of paper P.Thereby will not be subjected to waiting tray 10 to interfere ground to transmit by the paper P of intake roller 24 inputs, and directly fall and be transported on the process disk 12.
When falling paper and paper feed, go up vertical alignment roller 38a and move up, the acceptance division 44a of push pedal 44 receives the rear end of paper P.The both sides of paper P fall and contact with lateral alignment plate 47a and 47b, and align along horizontal direction.Then, push pedal 44 makes the rear end of paper P fall from acceptance division 44a, and by the 44b of beating portion it is taken to process disk 12 along the rotation of arrow o direction.In addition, push pedal 44, makes the rear end of paper P contact with stop part 45, thereby finishes vertical alignment of paper P along arrow q direction input paper P by paper feed part 44c.In addition, the vertical alignment of the paper P on the process disk 12 can be carried out by move up and down at every turn by last vertical alignment roller 38a.
In this way, the top paper P that is formed with image directly is loaded on the process disk 12 from intake roller 24, sequentially it is alignd along horizontal direction and longitudinal direction simultaneously.When paper P reached predetermined quantity, attachment means 14 is the paper P on the position bookbinding process disk 12 as required, and its bookbinding is formed paper volume T.
Then, go up vertical alignment roller 38a and be moved downward on the paper volume, paper volume T is remained on along last vertical alignment roller 38a of arrow r direction rotation and along between following vertical alignment roller 38b of arrow s direction rotation, and transmit towards first row's paper disc 16.When the rear end of paper volume T upper and lower vertical alignment roller 38a of process and 38b, its paper feeding pawl 50a by the belt conveyor 50 that rotates along arrow t direction hooks, thereby is sent on first row's paper disc 16.
At this moment, slide and move to the position shown in the solid line in the position shown in the dotted line of first row's paper disc 16 from Fig. 3.First row's paper disc 16 is that θ 2 is provided with according to the inclination angle, and makes the front end of paper be higher than its rear end, is sent to can not contact owing to the front end with follow-up paper volume T at preceding paper P on first row's paper disc 16 and is pushed out thereby make.In addition, the position has dislocation slightly even follow-up paper P makes paper volume T, owing to there is inclination angle [theta] 2, so paper volume T also can be owing to own wt falls and is loaded on first row's paper disc 16, its rear end is aligned simultaneously, and the bookbinding of paper P is finished dealing with then.
Next, be to bind processing and on process disk 12, have the situation that is in the bookbinding processing execution process with describing the post-processing that to carry out at preceding paper P.In this case, waiting tray 10 slides diskware 10a and 10b respectively and moves along the opposite sense of arrow m or along the position shown in the dotted line of opposite sense from Figure 11 of arrow n, move to the position shown in the solid line among Figure 11, and can support paper P.Waiting tray roller 28 moves to the waiting tray top, not influence paper P.From image processing system 5 discharge and by the paper P of intake roller 24 inputs by disposable loading to waiting tray 10, to wait for 12 free time of process disk.
The paper P that is loaded on the waiting tray 10 is moved downward on the waiting tray 10, by along the waiting tray roller 28 of the opposite sense of arrow f rotation with it to waiting for that stop part 10c and 10d transmit, then with wait for stop part 10c and the 10d rear end of paper P of vertically aliging that contacts.In addition, first row's paper disc 16 is set, and makes the front end of paper be higher than its rear end, thereby make paper P because himself weight and contact with wait stop part 10c and 10d and vertically align by its rear end according to inclination angle [theta] 1.
Waiting tray 10 is set is inclination angle [theta] 1, thereby for example,, and be transported to waiting tray 10, be loaded into also can not be pushed out on the waiting tray 10 owing to preceding end in contact with follow-up paper P at preceding paper P even if paper P imports from intake roller 24 at the curling state of projection.That is, the paper P of input can sequentially be loaded on the waiting tray 10, and can not upset order.In addition, even paper P and making at preceding paper P had dislocation slightly before follow-up paper P pressed against, owing to there is inclination angle [theta] 1, so paper P can fall to its rear end and wait for stop part 10c and the contacted position of 10d because of himself weight, thereby be loaded onto on the waiting tray 10, its rear end is aligned simultaneously.
In this process, thereby when being discharged to row's paper disc 16 side process disk 12 when idle at preceding paper P on the process disk 12, waiting tray 10 with diskware 10a and 10b respectively along arrow m and n direction the position shown in the solid line from Figure 11 slide via the position shown in the long and short dash line among Figure 11 always and move to the position shown in the dotted line among Figure 11.Whereby, for example when the position shown in the long and short dash line among diskware 10a and 10b arrival Figure 11, make the two pieces of paper P that is prepared on the waiting tray 10 fall and be transported on the process disk 12 between diskware 10a and the 10b.At this moment, lateral alignment plate 47a and 47b are configured to make interval between them to be substantially equal to the width of paper P.Therefore, the both sides of the paper P that falls from waiting tray 10 are controlled by lateral alignment plate 47a and 47b, thereby carry out lateral alignment.
Drop on and be positioned at following paper P among the two pieces of paper P on the process disk 12 and transmit along arrow q direction, the rear end of paper P is contacted with stop part 45, thereby vertical alignment of this paper P is finished by following vertical alignment roller 38b along the rotation of the opposite sense of arrow s.Drop on be positioned among the two pieces of paper P on the process disk 12 top paper P by along last vertical alignment roller 38a of the opposite sense of arrow r rotation along the transmission of arrow q direction, the rear end of paper P is contacted with stop part 45, thereby vertical alignment of this paper P is finished.Afterwards, vertical alignment roller 38a is moved up.
Make the 3rd of discharging from image processing system 5 and paper P afterwards from directly falling between diskware 10a and the 10b and be transported on the process disk 12, and on waiting tray 10, do not wait for.Then, make the 3rd and afterwards paper P formerly be loaded in alignment successively on the paper P on the process disk 12 by push pedal 44.
When the paper P on being loaded into process disk 12 reaches predetermined quantity, bind paper to form paper volume T by attachment means 14.Then, paper volume T is transmitted to first row's paper disc 16 by upper and lower vertical alignment roller 38a and 38b, and then the rear end of hooking the paper volume of the paper feeding pawl 50a by belt conveyor 50, the paper volume is delivered to first row's paper disc 16, thereby the bookbinding of paper P is finished dealing with.
In having this embodiment of this structure, the path that the paper of post-processing is not carried out in special being used for is installed, thereby can obtains not reduce the sheet post-process apparatus of image processing system capacity rating.In addition, can shorten up to the time of arranging paper.Row's paper disc receives and to carry out the paper P of post-processing and not carry out among the paper P of post-processing any, thereby compares with special row's paper disc that post-processing is not carried out in installation, has realized the significantly reduction of cost.
In addition, setting waiting tray 10 be inclination angle [theta] 1, can make paper P like this because himself weight and aliging on waiting tray 10.Needn't worry that previous cargo-carring paper P can be released by follow-up paper P, and the conformability of the paper P on the waiting tray 10 can be improved, can prevent paper P paperboard, can prevent that also the loading order of the paper P on the waiting tray 10 from being upset.Similarly, setting first or second series paper disc 16 or 18 are inclination angle [theta] 2, thereby needn't worry before to be loaded into first or second series paper disc 16 or 18 on paper P or paper volume T can be released by follow-up paper P or paper volume T, can improve first or second series paper disc 16 or 18 on the conformability of paper P, can prevent paper P paperboard, also can prevent first or second series paper disc 16 or 18 on paper P or the loading order of paper volume T upset.
In addition, in the present invention, as the post-processing that the paper that is loaded on the process disk is carried out, described is that bookbinding is handled.Yet post-processing is not limited to bookbinding and handles, and for example, it also is no problem resembling the such post-processing of processing of boring a hole in paper.In the case, about being loaded into the paper on the process disk, it is also no problem to load a piece of paper rather than plurality of sheets of paper.Much less, for the after-treatment device with this class post-processing mechanism, the present invention plays a role equally.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. sheet post-process apparatus comprises:
Door, the paper that is used for discharging from image processing system branch to the transfer path and the transfer path that does not require the paper that carries out post-processing that the paper of post-processing is carried out in requirement;
Special-purpose paper path is used to not require the described paper that carries out post-processing;
Waiting tray is used for making predetermined paper to be in the described paper that described post-processing is carried out in requirement;
Process disk is arranged at described waiting tray below, is used to load the described paper that falls and import from described waiting tray, and/or the described paper that does not pass through described waiting tray of discharging from described image processing system;
Processing mechanism is used for the described paper that is loaded on the described process disk is carried out post-processing; And
Row's paper disc is used for loading and finishes after the described post-processing the described paper of discharging from described process disk and do not require the described paper that carries out post-processing.
2. sheet post-process apparatus according to claim 1, wherein:
Described door is a wedge shape section.
3. sheet post-process apparatus according to claim 1, wherein:
Described door is rotatably supported by the madial wall of described sheet post-process apparatus.
4. sheet post-process apparatus according to claim 1 also comprises:
A pair of input roller is used to receive the described paper of discharging from described image processing system, and described input roller is roughly pressed upper-lower position and arranged, wherein, described door is got roughly towards the primary importance of last input roller with roughly towards the second place of descending input roller.
5. sheet post-process apparatus according to claim 4, wherein:
Described primary importance is the position that is used to select to require carry out the described path of described post-processing, and the described second place is the position that is used to select not require the described path of carrying out described post-processing.
6. sheet post-process apparatus according to claim 4, wherein:
When described door is in described primary importance, described paper is sent to described waiting tray.
7. sheet post-process apparatus according to claim 2, wherein:
Before described paper path and a plurality of intake rollers are installed afterwards.
CN 200510102892 2004-09-29 2005-09-14 Sheet post-process apparatus Pending CN1754810A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004285354 2004-09-29
JP2004285354 2004-09-29
JP2004366524 2004-12-17

Publications (1)

Publication Number Publication Date
CN1754810A true CN1754810A (en) 2006-04-05

Family

ID=36688415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510102892 Pending CN1754810A (en) 2004-09-29 2005-09-14 Sheet post-process apparatus

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CN (1) CN1754810A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101638191B (en) * 2008-07-28 2011-08-17 夏普株式会社 Paper discharge apparatus, post-processing apparatus, and image forming apparatus
CN106794954A (en) * 2014-10-14 2017-05-31 株式会社理光 Print system
CN110872019A (en) * 2018-08-30 2020-03-10 京瓷办公信息系统株式会社 Sheet post-processing device and image forming system provided with same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101638191B (en) * 2008-07-28 2011-08-17 夏普株式会社 Paper discharge apparatus, post-processing apparatus, and image forming apparatus
CN106794954A (en) * 2014-10-14 2017-05-31 株式会社理光 Print system
US10479638B2 (en) 2014-10-14 2019-11-19 Ricoh Company, Limited Printing system
CN110872019A (en) * 2018-08-30 2020-03-10 京瓷办公信息系统株式会社 Sheet post-processing device and image forming system provided with same
CN110872019B (en) * 2018-08-30 2021-07-20 京瓷办公信息系统株式会社 Sheet post-processing device and image forming system provided with same

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