CN1899938B - Paper discharge unit and paper treating device - Google Patents

Abstract

A sheet supply tray and a sheet discharge tray are provided. Long sheets can be supplied from the sheet supply tray loaded with the long sheets. The sheet discharge tray is used also as the sheet supply tray, and receives the long sheets with a sheet discharge surface thereof in an area facing the sheet loading surface of the sheet supply tray. A discharge guide unit for guiding the discharge direction of the long sheets is detachably provided in such a dual-purpose type sheet discharge unit. A discharge/reception unit supporting the long sheets is detachably provided as a whole or a part of the sheet discharge unit. An extension sheet tray extensible with respect to a standard sheet tray is provided while the extension state of the extension sheet tray can be detected by an extension detection unit.

Description

Paper discharge unit and paper processing device

The present invention is to be on March 19th, 2003 applying date, and denomination of invention is divided an application for the Chinese invention patent application number 03120746.4 of " paper discharge unit and paper processing device ".

Disclosure literary composition relates to the theme that comprises among the Japanese patent application No. 2002-076791 of application on March 19th, 2002, and this paper in conjunction with it in full as a reference.

Technical field

The present invention relates to the paper feeding unit that is used to discharge the paper discharge unit of paper or analogue or is used to supply paper, and relate in particular to the improvement of the paper processing device of paper discharge unit, paper feeding unit and these unit of employing, long paper can be discharged or supply to this improvement effectively.

Background technology

One of example of paper processing device is to adopt the imaging device (image formingapparatus) of electro photography type (electro-photographic) system or analogue.

In the imaging device in correlation technique, adopt the one-tenth camera of electro photography type system or analogue to be installed in the device body, thereby form image by described one-tenth camera.On the other hand, a piece of paper or analogue are supplied to into camera from paper feeding unit, with by the image transfer printing that becomes camera to form and photographic fixing on this paper.Then, described paper is expelled to paper discharge unit.

In this imaging device, there is the demand of using long paper.For satisfying the demand, for example, adopt a kind of system, in this system, long paper is arranged in the plug-type paper feeding unit of manual paper, and it is expelled to the discharge dish (discharge tray) as paper discharge unit after long paper is finished imaging circulation to this.

Someone proposes a kind of manual paper plug-in type paper feeding unit, wherein the trailing edge at manual paper insertion dish is provided with one or more levels bracket panel movably, and paper loading surface by described manual paper insertion dish and bracket panel assurance, comprised the long paper of described long paper rear end in this mountable year, thereby can extend the plug-type paper feeding unit of described manual paper to be exclusively used in long paper.JP-A-2001-163454 (in the module that realizes invention and Fig. 1) and JP-UM-A-3-28145 (among the example partial sum Fig. 1 in specific embodiments) disclose this paper feeding unit.

But, generally be fit to the length of the paper of maximum shape as the length of the discharge dish of paper discharge unit.So when discharging long paper, the part that may produce long paper is stretched out from the discharge dish and is dropped the problem that the paper that perhaps drops is intertwined from this.

Therefore, advise a kind of like this imaging device, it can be supplied and discharge long paper and can not increase the device area.

According to above-mentioned suggestion, a kind of like this imaging device is disclosed among the JP-A-6-179529 (at example partial sum Fig. 1 of specific embodiments), it is installed on paper feeding/deliverying unit, and receive the long paper that to be supplied in the space that between by imaging device and paper feeding/deliverying unit, forms, and the paper that the bench board reception of paper feeding/deliverying unit is discharged from is installed thereon.

But in this imaging device, the paper that is used to supply or discharge long paper receives the space must not be less than the size of the paper of conventional operation.Therefore, in relevant technology, must not only the space of the long paper of supply be provided but also the space of discharging long paper is provided.Therefore, the area that is used to install imaging device can not increase a lot, but the volume in space that requires to be used to receive long paper is very big.

In addition, a kind of like this technology is disclosed in JP-A-8-026502 (embodiment of specific embodiments and Fig. 1) and JP-A-9-002673 (embodiment of specific embodiments and Fig. 1), wherein the cover of sheet supplying cassette or cover design are become pullable type, thereby the cover of described pullable type or lid are as the discharge dish of paper discharge unit.

But,, therefore correspondingly increased the cost of parts because described cover or lid are indispensable for the sheet supplying cassette that is mounted with the paper that is discharged from thereon.In addition, because described cover or the lid that can be used as the discharge dish pulled out from described sheet supplying cassette, therefore the length of described discharge dish is subjected to the restriction of the length of paper feeding tray salver.

Correspondingly, must in described sheet supplying cassette, receive the paper that will use at least.But when described sheet supplying cassette was attempted to support the long paper of different sizes, then the length of described sheet supplying cassette just can increase inevitably.Therefore, described sheet supplying cassette being placed in the described image forming apparatus body is the thing of a difficulty.

Therefore, under sheet supplying cassette is arranged on situation in the image forming apparatus body, when using long paper, long paper is arranged on is considered to very difficult thing in the described sheet supplying cassette, thereby nearly all think at present and have to use the manual paper insertion to be coiled to be used to be provided with long paper and do not have other selections.

And in the manual paper plug-in type paper feeding unit of supporting long paper, a bracket panel is affixed to manual paper insertion dish.But imaging device itself can't judge whether described bracket panel has appended to described manual paper insertion dish.This judgement is finished by the user fully.

Therefore, following problem can appear.That is, for example when from the long paper of described manual paper insertion dish supply, though not additional described bracket panel, described imaging device can be carried out the imaging processing process according to schedule.Therefore, because error in transport process, cause image deflects such as the crooked meeting of long paper.

Summary of the invention

The present invention is used to solve the problems of the technologies described above.One of purpose of the present invention provides paper discharge unit, and paper feeding unit and adopt the paper processing device of these unit has improved the reliability of the processing of long paper and reception/conveying function and do not need extra reception space.

Promptly shown in Figure 1A, the invention provides the paper discharge unit that is used to discharge and receive long paper S.Described this deliverying unit comprises the paper feeding dish 7a that is mounted with long paper S and is used to receive the paper discharge dish 7b of described long paper S.Described paper feeding dish 7a can supply long paper S.Described paper discharge dish 7b also can be used as paper feeding dish 7a.In paper discharge dish 7b, face the zone on the paper loading surface of paper feeding dish 7a and discharge the surface as paper.

Shown in Figure 1A, for example, this paper discharge unit 7 is installed in the paper processing device 10 that can handle long paper.One of example of this paper processing device 10 comprises imaging device, wherein become camera 12 to be installed in the processing equipment body 11, to the long paper S that is supplied by paper feeding dish 7a, and long paper S is discharged to paper discharge dish 7b by the image transfer printing that becomes camera 12 to form and photographic fixing.

In this technological means, require described paper discharge dish 7b also as paper feeding dish 7a.

Here, the paper loading surface of paper feeding dish 7a can be same surface with the paper discharge surface of paper discharge dish 7b or be different surfaces.In preferred dual-purpose embodiment, it is different surfaces that the surface is discharged with described paper in described paper loading surface.

Preferred dual-purpose embodiment is based on following idea.In other words, when described paper loading surface is same surface with described paper discharge surface, the supply and the discharge of the paper of just having in turn finish.On the contrary, when described paper loading surface is not same surface with described paper discharge surface, just can realize the without interruption and continuous discharge of described paper.

In addition, the paper of described paper discharge dish 7b discharge surface must be the zone in the face of the paper loading surface of described paper feeding dish 7a.

Here, statement " in the face of discharging surperficial as paper in the zone on described paper loading surface " the described paper loading of expression surface is discharged surperficial non-conterminous with described paper.Therefore, can reduce the space that is used for paper feeding and discharge.

In addition, as the dual-purpose paper discharge unit of representative type, described paper feeding dish 7a comprises that the side guide (not shown) is used to adjust the position of long paper S on Width, and described paper discharge dish 7b is made of described side guide.

In the above-described embodiment, select described side guide enough greatly to guarantee paper discharge surface.

In addition, in order to adjust their position exactly according to the size of long paper S, preferably, also the paper discharge dish 7b as paper feeding dish 7a comprises the side guide that is used to adjust the position of long paper S on Width, and described side guide is arranged in the sheet transport direction removable.Perhaps, preferably, also the paper discharge dish 7b as paper feeding dish 7a comprises the side guide that is used to adjust the position of long paper S on Width, and a plurality of positions that described side guide is arranged in the sheet transport direction are detachable.

And, in adopting the exemplary embodiments of dual-purpose paper discharge unit 7, be provided with the paper processing device that is used to finish to the predetermined process of the long paper S that supplied, discharge and receive described long paper S in paper discharge unit 7 then.Described paper processing device comprises dual-purpose paper discharge unit 7 and discharges pilot unit 8, and a part of transfer path place that described discharge pilot unit 8 is arranged in the long paper S that is supplied is detouchable and is used for Direction guide and the described long paper S of transmission towards described paper discharge dish 7b.

Here, requiring described discharge pilot unit 8 is to become possibility below detouchable makes at the described transfer path of part place, when the conventional paper S except that long paper S is discharged from, can dismantles described discharge pilot unit 8 and realize conventional paper discharge treating process.

In addition, in discharging the exemplary embodiments of pilot unit 8, described discharge pilot unit 8 can comprise discharges surperficial adjustment member, is used for the front/rear surface location that relative paper discharge dish 7b selects the paper of discharging.

Therefore the embodiment that is provided allows described discharge pilot unit 8 to adjust the posture of the paper S that discharges.Specifically, different systems is such as the baffle system that is provided with swingable baffle plate (flapper) or be provided with the extension guidance system that extends guide plate and can be used as and discharge surperficial adjustment member.

In addition, for the stability of the process of the paper that is discharged from reception among the embodiment that keeps the dual-purpose paper feeding unit of pilot unit " have discharge ", described paper discharge unit 7 preferably includes paper that stop guide plate (stopper guide) is used to stop discharge and moves towards the supply port of described paper feeding dish 7a.

According to the above embodiments, can avoid taking place to provide once more unintentionally the situation of the paper S that is discharged from by described stop guide plate.

In addition, the present invention is not limited to described dual-purpose paper discharge unit, also comprises other embodiment of paper discharge unit.

In the above-described embodiment, the invention provides a kind of paper discharge unit 7 and be used for discharging and receiving long paper S, shown in Figure 1B.That is to say, removably be provided with discharge/receiving element 7c at a part of transfer path place of the described long paper S that supplies by paper feeding unit 5, and in described discharge/receiving element 7c, discharge and receive described long paper S.

In addition, according to another embodiment, shown in Figure 1B, the invention provides a kind of paper discharge unit 7 that is used to discharge and receive long paper S, this unit comprises the paper discharge dish 7d and a discharge/receiving element 7e of a standard.The paper discharge dish 7d of described standard discharges non-long paper and it is received in wherein.Described discharge/receiving element 7e is arranged to removably adjacent with described normal paper discharge dish 7d and can receives the long paper S that a part is discharged.

In addition, the invention is not restricted to the paper discharge unit shown in Figure 1B, also at the paper processing device that adopts described paper discharge unit.

And, the invention provides a kind of paper feeding unit 5, shown in Fig. 2 A, be used to supply cargo-carring paper S.In other words, described paper feeding unit 5 comprises standard paper disc 5a, expansion paper disc 5b and expansion detecting unit 5c.The paper of described standard paper disc 5a energy acceptance criteria.Described expansion paper disc 5b is arranged on the upstream side of the sheet transport direction of described standard paper disc 5a extendingly.Described expansion paper disc 5b extends the paper receiving surface with described standard carton in the pattern of using long paper.Described expansion detecting unit 5c detects described expansion paper disc 5b and whether is set to stretch out state with respect to described standard paper disc 5a.

For example, this paper feeding unit 5 is installed in the paper processing device 10 that can handle long paper S, shown in Fig. 2 A.One of example of this paper processing device 10 comprises imaging device, wherein become camera 12 to be installed in the processing equipment body 11, by the image transfer printing that becomes camera 12 to form and photographic fixing to the long paper S that supplies from paper feeding unit 5, long then paper S for example is discharged to paper discharge unit 7 by discharging pilot unit 8.

In this technical scheme, paper feeding unit 5 comprises boxlike and manual type paper plug-in type.

In addition, standard paper disc 5a can receive non-long paper (comprising normal size type and non-standard small-sized greatly) S.Described standard paper disc 5a generally has paper guide (side and end) and is used to locate the paper S that is received in wherein.

Also have, though expansion paper disc 5b can be set to tensile, but when the conventional paper S that uses except that long paper S, for reducing the space, preferably described expansion paper disc 5b is set to described relatively standard paper disc 5a and can expands/contractile or for adding/detouchable (can expand/contractile system maybe can add/the detouchable system).

In addition, in fact expansion detecting unit 5c can directly detect described expansion paper disc 5b for stretching out state, and described expansion detecting unit 5c can also detect the situation of following described expansion paper disc 5b to be set to the fact that the state that stretches out takes place indirectly.

In addition, exemplary embodiments according to the expanding of expansion paper disc 5b/contractile system, described expansion paper disc 5b comprises widening parts, and this widening parts is arranged in (erectable)/tiltable (reclinable) for erectting on the sheet transport direction upstream side of standard paper disc 5a.

Especially, at paper feeding unit 5 is among the embodiment of boxlike, changing sentence also says, in paper feeding unit 5 is installed in embodiment in the processing equipment body 11, the erectting of the described widening parts/tiltable state of described expansion paper disc 5b and the operations linkage of the opening/closing of the lid that is arranged on the unshowned opening/closing in the processing equipment body can be set.

In addition, in order to make the support of long paper S more stable, described expansion paper disc 5b preferably include can erect/tiltable widening parts, and can further stretch out an auxiliary widening parts from described widening parts.

In addition, can suitably select to expand the detection mode of detecting unit 5c.For example, can select to utilize the pattern of the state variation of expanding paper disc 5b, or selection utilizes the pattern of the variation of paper terminal guide spare (endguide).

In preceding a kind of pattern, when put expansion paper disc 5b comprise can erect/during tiltable widening parts, can detect the setting/bevelled state of described setting the/tiltable widening parts.

On the other hand, in a kind of pattern in back, described standard paper disc 5a comprises deformable paper terminal guide spare, and this guide can not hinder the loading of long paper S in the pattern of using long paper, and expansion detecting unit 5c can detect the deformation state of described paper terminal guide spare.

Especially, the following examples are representative types in a kind of pattern in back.That is, described standard paper disc 5a is included in long paper and uses in the pattern and to be the erectting/tiltable paper terminal guide spare of heeling condition, and described expansion detecting unit 5c detects the setting/bevelled state of described paper terminal guide spare.Perhaps, described standard paper disc 5a is included in movably paper terminal guide spare of tap position (shuntingposition), described tap position departs from the " loaded " position of long paper S in using the pattern of long paper, and described expansion detecting unit 5c detects described paper terminal guide spare and whether is positioned at tap position.

In addition, though described paper feeding unit 5 mode with example in Fig. 2 A is expressed as so-called boxlike paper feeding unit, undoubtedly, the present invention also can be applied to the plug-type paper feeding unit of manual paper shown in Fig. 2 B.

In the above-described embodiment, the plug-type paper feeding unit 5 of manual paper can comprise standard carton 5d, expansion carton 5e and expansion detecting unit 5c.Described expansion carton 5e is arranged on the end of sheet transport direction upstream side of standard carton 5d to tensile.Described expansion detecting unit 5c is arranged for the existence of the state that stretches out that detects described expansion carton 5e/do not exist.

In addition, the invention is not restricted to described paper feeding unit, also relate to the paper processing apparatus that described paper feeding unit wherein is installed.

In the above-described embodiment, shown in Fig. 2 A, can be provided with paper feeding unit 5 and paper discharge unit 7 according to the present invention.The long paper S by described paper feeding unit 5 supplies is discharged and received to described paper discharge unit 7.

According to an embodiment, described paper processing device comprises the paper discharge unit 7 shown in Figure 1A (comprising paper feeding dish 7a and paper discharge dish 7b) and discharges pilot unit 8.Described discharge pilot unit 8 is arranged on the part of transfer path of the long paper S that is supplied to detouchable and is used for towards the Direction guide of paper discharge unit 7 and transmits described long paper S.

In addition, according to another embodiment, shown in Fig. 2 B, described paper discharge unit 7 comprises discharge/receiving element 7c, this unit is removably disposed in the part place by the transfer path of the long paper S of paper feeding unit 5 supplies, and discharges and receive described long paper S in described discharge/receiving element 7c.

In addition, according to going back an embodiment, shown in Fig. 2 B, described paper discharge unit 7 comprises normal paper discharge dish 7d and discharge/receiving element 7e.In described normal paper discharge dish 7d, discharge and receive non-long paper.Described discharge/receiving element 7e is arranged to removably adjacent with described normal paper discharge dish 7d and can receives the long paper S that a part is discharged.

In addition, use pattern, shown in Fig. 2 A and 2B, control unit 15 can be set in order to realize more stable long paper.Described control unit 15 can be carried out described long paper use pattern after detecting the state that paper feeding unit 5 and paper discharge unit 7 at least be set to use corresponding to long paper pattern.

According to the above embodiments, when paper feeding unit 5 and paper discharge unit 7 were not provided with the growth paper and use pattern, long paper use pattern can not be carried out.Therefore, not worrying can not being arranged under the state in the paper feeding unit 5 or not being provided with at long paper S can the long paper S of processing under the state that paper discharge unit 7 receives long paper S.Therefore correspondingly improved the reliability of handling long paper S.

Particularly, wherein being equipped with among the embodiment that discharges pilot unit 7 shown in Fig. 2 A, a control unit can be set, be used for making described long paper use pattern to carry out after being set to use the corresponding state of pattern detecting at least paper feeding unit and discharge pilot unit with long paper.

According to above-mentioned structure, when being set to long paper with discharge pilot unit 8, described paper feeding unit 5 do not use pattern, and then described long paper uses pattern just can not carry out.Therefore, do not worry to be set under the state of paper feeding unit 5 or discharging pilot unit 8 is not set under the state in the processing equipment body and can handles described long paper S at long paper.Therefore correspondingly improved the processing reliability of long paper S.

Description of drawings

Make above-mentioned purpose of the present invention and advantage clearer by describing the preferred embodiments of the present invention in detail below with reference to accompanying drawings, wherein:

Figure 1A is the scheme drawing of expression according to the paper processing device of paper discharge unit of the present invention and the described paper discharge unit of use; With Figure 1B be the scheme drawing of representing paper discharge unit according to another embodiment of the present invention and using the paper processing device of this paper discharge unit;

Fig. 2 A is the scheme drawing of expression according to the paper processing device of paper feeding unit of the present invention and the described paper discharge unit of use; With Fig. 2 B be the paper processing device of representing paper feeding unit according to another embodiment of the present invention and using described paper discharge unit;

Fig. 3 is the integrally-built scheme drawing of expression according to the imaging device of the conduct device processing equipment of first embodiment;

Fig. 4 A is the scheme drawing of expression according to the main portion of the paper discharge unit of first embodiment; With Fig. 4 B be the cutaway view that cuts open along the direction B among Fig. 4 A;

Fig. 5 is the scheme drawing of expression according to the main portion of the improved form of the paper discharge unit of first embodiment;

Fig. 6 A is the scheme drawing of the discharge pilot unit that uses among first embodiment of expression; With Fig. 6 B be the scheme drawing of the improved form of the discharge pilot unit among the presentation graphs 6A;

Fig. 7 is the scheme drawing of expression according to the discharge pattern of face up (face-up) of the imaging device of first embodiment;

Fig. 8 is the scheme drawing of expression according to the discharge pattern of face down (face-down) of the imaging device of first embodiment;

Fig. 9 is the integrally-built scheme drawing as the imaging device of paper processing device of expression according to second embodiment;

Figure 10 is the scheme drawing of operation that expression is used for discharge/receiving element of second embodiment;

Figure 11 is the block diagram that expression is used for the paper feeding unit of second embodiment;

Figure 12 A and 12B are that expression is used for the scheme drawing of secondary side to a kind of example of the supporting construction of guide;

Figure 13 is the scheme drawing of first kind of improved form of expression paper feeding unit;

Figure 14 A and 14B are used for the scheme drawing of secondary side to a kind of example of the supporting construction of guide in first kind of improved form of expression;

Figure 15 is the scheme drawing of second kind of improved form of expression paper feeding unit;

Figure 16 is the scheme drawing of main portion of second kind of improved form of expression paper feeding unit;

Figure 17 A is the scheme drawing of main portion of the 4th kind of improved form of expression paper feeding unit; With Figure 17 B be the cutaway view that expression is cutd open along the direction B among Figure 17 A;

Figure 18 is that expression is used for the scheme drawing according to the 5th kind of improved form of the paper discharge unit that is used for paper processing device of second embodiment;

Figure 19 is the integrally-built scheme drawing as the imaging device of paper processing device of expression according to the 3rd embodiment;

Figure 20 A is the scheme drawing that expression is used for the paper feeding unit of the 3rd embodiment; Figure 20 B is the scheme drawing of the improved form of expression paper feeding unit;

Figure 21 is the block diagram of profile that expression is used for the paper feeding unit of the 3rd embodiment;

Figure 22 is the state of base plate is removed in expression from Figure 21 a scheme drawing;

Figure 23 is the scheme drawing of structure of the size detection mechanism of the expression paper feeding unit that is used for the 3rd embodiment;

Figure 24 A is the scheme drawing of the example of stretching out structure that expression is used for the paper feeding unit of the 3rd embodiment; With Figure 24 B be the block diagram of the main portion of the expression state of paper feeding unit before stretching out;

Figure 25 A is that expression detects the scheme drawing that described paper feeding unit has been set to the concrete example of the state that stretches out; Figure 25 B is the scheme drawing of the concrete example of expression its another; Figure 25 C is the scheme drawing that expression detects the specific embodiment that has added the discharge pilot unit;

Figure 26 is expression is used for the control/disposal system of imaging device according to the 3rd embodiment a block scheme;

Figure 27 is the diagram of circuit of its control/treating process of expression;

Figure 28 is the scheme drawing of an example of the performance screen of expression printer driver;

Figure 29 A is the scheme drawing that expression will long paper be arranged on the example in the paper feeding unit; Figure 29 B is the scheme drawing that expression is provided with another example of long paper;

Figure 30 is that expression detects the scheme drawing that the paper feeding unit that is used for the 3rd embodiment has been set to another example of the state that stretches out;

Figure 31 cuts open the cutaway view of getting along the direction XXXI among Figure 30;

Figure 32 is the scheme drawing of expression according to the imaging device of the conduct device processing equipment of the 4th embodiment; With

Figure 33 is the diagram of circuit of its control/treating process of expression.

The specific embodiment

Specific embodiment is below with reference to accompanying drawings described the present invention in detail.

(first embodiment)

Fig. 3 is the scheme drawing of expression as first example of the tandem imaging device of using paper processing device of the present invention.

In Fig. 3, the tandem imaging device has the image-generating unit 22 (being specially 22a to 22d) that is used for four looks (being black, Huang, fuchsin and cyan at first embodiment) that is horizontally installed in the housing 21.Above image-generating unit 22, an intermediate transfer belt 23 is set, it transmits in the orientation of described image-generating unit 22 and circulates.In addition, be used to receive the paper (not shown) such as paper, sheet supplying cassette 24 be arranged on the bottom of housing 21, the paper transport path 25 of stretching out from sheet supplying cassette 24 vertically is provided with basically.

In first embodiment, for example, image-generating unit 22 (22a to 22d) forms the toner image of black, yellow, fuchsin and cyan respectively with the order in downstream on the loop direction of intermediate transfer belt 23.Described image-generating unit 22 has independently optical conductor unit 30 respectively, independently developing cell 33 and general-duty exposing unit 40.

Here, for example, each optical conductor unit 30 be made into by photoconductor drum 31, be used in advance photoconductor drum 31 electrically-charged chargers (is charging roller at first embodiment) 32 and be used for removing the box that the cleaner 34 that remains in the toner on the electrically-charged photoconductor drum 31 integrally constitutes, thereby form so-called CRU (the removable unit of Customer Replaceable Unit client).

In addition, the electrostatic latent image that utilizes corresponding color toner (for example, the polarity in first embodiment is for negative) to develop and expose and on electrically-charged photoconductor drum 31, form by each developing cell 33 through exposing unit 40.

By way of parenthesis, label 35 (35a to 35d) expression is to the toner Cartridge of each developing cell 33 (its toner feed lines is not shown) supply color composition toner.

On the other hand, exposing unit 40 for example has four semiconductor laser (not shown), a polygon mirror 42, the imaging len (not shown) and respectively with optical conductor unit 30 cooresponding mirror (not shown), all these all are arranged in the unit box 41.The light that sends from each semiconductor laser by polygon mirror 42 deflections and scanning corresponding to each color composition, thus make the image of light be directed to exposure station on the corresponding photoconductor drum 31 by imaging len and mirror.

In addition, in first embodiment, described intermediate transfer belt 23 for example, is positioned between a pair of draw roll (one of them is driven roller) 231 and 232.Elementary transfer printing device (in first embodiment for primary transfer roller) 51 is separately positioned on the back side corresponding to the intermediate transfer belt 23 of the photoconductor drum 31 of optical conductor unit 30.When the opposite voltage of the charging polarity that each pri transfer printing device 51 is applied polarity and toner, the toner image on the corresponding photoconductor drum 31 is transferred on the intermediate transfer belt 23 statically.

Also have, with the downstream of the image-generating unit 22d in downstream on the draw roll 232 cooresponding parts of intermediate transfer belt 23 be provided with second stage transfer printing device 52.By second stage transfer printing device 52, the image of the elementary transfer printing on the intermediate transfer belt 23 by second stage transfer printing (transfer printing in batch) to recording materials.

In first embodiment, described second stage transfer printing device 52 is provided with second stage transfer roll 521 and backing roll, wherein to be arranged to keep face side with the toner image of intermediate transfer belt 23 be that pressure contacts to this transfer roll, this backing roll (in first embodiment also as draw roll 232) is positioned on the rear side of intermediate transfer belt 23, thereby forms the electrode opposite with second stage transfer roll 521.

Then, for example, second stage transfer roll 521 ground connection, and described backing roll (draw roll 232) is applied the polarity bias voltage identical with the charging polarity of toner.

And, remove the toner that remains on the intermediate transfer belt 23 thereby band cleaner 53 is set at the upstream side of the image-generating unit 22a of the upstream of intermediate transfer belt 23.

In addition, described sheet supplying cassette 24 is provided with feeder 61 (for example, being set to be used for obtain paper by pusher roller (nudger roll), then by getting paper bowl and postponing the unit that paper was controlled and transmitted to roller one by one) and is used for obtaining and transmitting paper.The feeding-in roll (take-away roll) 62 that is used to transmit paper is set directly at the rear of feeder 61, and is used for being supplied to the alignment roller 63 of second stage transfer section to be arranged on the paper transport path 25 that is located immediately at transfer section the place ahead, the second stage recording materials in predetermined timing.

On the other hand, on the paper transport path 25 in the downstream that is positioned at second stage transfer section, fixation unit 66 is set.In the downstream of fixation unit 66 paper distributing roller 67 is set.Thereby form the paper that discharge plate 68 receives the normal size that is discharged from the top of housing 21.

In addition, in first embodiment, the plug-type paper feeding unit of manual paper (MSI) is set at the side of housing 21, thus the paper that transmits on the plug-type paper feeding unit 70 of manual papers towards paper transport path 25 by feeder 61 and alignment roller 63.

In first embodiment, the plug-type paper feeding unit 70 of manual paper has carton (paper feeding dish) 100 and side guide 101.Long paper S can be loaded on the carton 100.Described side guide 101 be arranged on the carton 100 with adjust the position of cargo-carring paper S on Width.

Then, described side guide 101 comprises fixing side guide 101a and side guide 101b movably, shown in Fig. 4 A and 4B.Movably side guide 101b can move on the Width of paper.

Here, for example, movably side guide 101b has unshowned guide block, itself and guide slot 102 fit engagement that form in the Width of carton 100, thereby the position of the opposite side of adjustment paper.

By way of parenthesis, the supporting construction of the structure of carton 100, fixing side guide 101a and the supporting construction of side guide 101b movably can suitably be set.Undoubtedly, the example of these structures comprise different shapes (such as extendible carton, detouchable carton, sheet transport direction movably side guide, at the side guide of the multiple positioning form of sheet transport direction), these will be described in a second embodiment.

Especially, in first embodiment, manual paper plug-in type paper feeding unit 70 also is used as the paper discharge unit 110 of the special use of supporting long paper S.

In the paper discharge unit 110 of above-mentioned special use, shown in Fig. 3 and Fig. 4 A and 4B, form paper discharge dish 111 from side guide 101 the insides.Paper discharge dish 111 has respectively from the outstanding sheet support part 112 and 113 of the inside face of side guide 101 (101a and 101b).Form expansion support section 112a in 112 at least one of sheet support part, this part 112a extends to the vicinity of the approximate centre position of paper discharge dish 111, thus the paper S ' that stable support is discharged.Therefore, form paper by sheet support part 112 and 113 and discharge the surface.By way of parenthesis, side guide 101 also is adjusted at the position of paper S ' on Width of the discharge in the special-purpose paper discharge unit 110.

In above-mentioned form, when between sheet support part 112 and 113, forming space 114, form paper discharge dish 111 by a pair of sheet support part 112 and 113.Therefore, not worrying can the workability of damage in the paper S process that will be supplied to carton (paper feeding dish) 100 is set.

Especially, for the serviceability in the setting up procedure that remains on the paper S that will be supplied to carton 100 is under the good conditions, for example, as shown in Figure 5, preferably in the approximate centre position of the outstanding end of sheet support part 112 rotating transverse support bar 115 is set in addition, described sheet support part 112 is one of them of sheet support part that constitute paper discharge dish 111.Therefore, guarantee the sheet support zone of the paper S of discharge by transverse support bar 115.

According to above-mentioned form, for example, in the work engineering that the paper S that will supply is set, described transverse support bar 115 can be temporarily by tap or be placed in the tap zone 116 in the face of sheet support part 112.In this case, between sheet support part 112 and 113, there is not described transverse support bar 115 provisionally, thereby guarantees that the space 114 between sheet support part 112 and 113 is enough wide to guarantee that enough spaces are used to be provided with the work of the paper S that will be supplied to carton 100.

In addition, in first embodiment, form the guiding tapering part 117 of opening obliquely in the upper part of each side guide 101.Described guiding tapering part 117 is used for guiding the paper S that is discharged from that is discharged to paper discharge dish 111 from the top.

And, in first embodiment, in the paper discharge unit 110 of special use, be provided for adjusting the adjustment guide plate 120 of back-end location of the paper of discharge in the top of the paper feeding port one 03 of carton 100 (paper feeding dish), as shown in Figure 3.

Described adjustment guide plate 120 is L shaped parts for the cross section for example.In first embodiment, adjust the top that guide plate 120 makes its outstanding paper supply port 103 near carton 100 thereby be provided with.Therefore, adjust the back-end location that guide plate 120 prevents the paper of discharging and enter the paper supply port 103 of carton 100, and support the back-end location of the paper of discharging.

In addition, in first embodiment, discharging pilot unit 130 is removably disposed in the top of housing 21, specifically on the position of adjacent row sale at reduced prices 68 and the side at the paper discharge unit 110 of special use, as shown in Figure 3.

For example, described discharging pilot unit 130 has the cell body 131 that removably appends on the housing 21, as shown in Figure 6A.In cell body 131, thereby the targeting part 132 that forms the semicircular bending makes the paper of discharging from the paper discharge port 69 of housing 21 be transmitted half-turn by anticlockwise direction basically.

Equally, thus at the paper discharge end of the targeting part 132 of described bending swingable baffle plate 133 being set can suitably change the discharge posture of the paper that is discharged from.

Described baffle plate 133 has basically the first reference position A that extends and with respect to the outside second reference position B of the predetermined angle θ of skew of the first reference position A on the tangential direction of the guide surface of the targeting part 132 of described bending.Utilize the position of unshowned brake acjustment baffle plate 133 in each reference position.

Described baffle plate 133 is provided with thrust spring (urging spring) thereby 134 positions according to baffle plate 133 make its thrust reversing.Specifically, when baffle plate 133 is positioned at the first reference position A,, thrust spring 134 make baffle plate 133 remain on the first reference position A thereby promoting baffle plate 133.On the other hand, when baffle plate 133 was manually moved to the second reference position B, described thrust spring 134 made the action direction of its thrust reverse on the way.Therefore, thus described thrust spring 134 promotes described baffle plate 133 makes baffle plate 133 remain on the second reference position B.

In first embodiment, corresponding to ventricumbent discharge mode (making its imaging surface discharge the pattern of paper to getting off) and supine discharge mode (make its imaging surface on discharge paper pattern) the reference surface A and the B of baffle plate 133 be set respectively.

By way of parenthesis, though be set to the two-stage change type at the baffle plate 133 described in first embodiment, the present invention is not limited to above-mentioned structure, and described baffle plate 133 can be designed as multistage change type.In addition, make the mode of the discharge attitude change of the paper that is discharged from be not limited to baffle system, also can select other suitable manner.For example, can adopt the expansion guidance system shown in Fig. 6 B.

Here, the expansion guidance system will be described.Shown in Fig. 6 B, tensile expansion guide plate 135 is set at the discharge end of the targeting part 132 of the bending of discharging pilot unit 130.By changing the front position of expansion guide plate 135, change thereby make from the change discharge posture of the paper that makes discharge of the point of release of discharging the paper that pilot unit 130 discharges.

Below, with the operation of describing about the imaging device of first embodiment.

When using long paper S in the present embodiment, shown in Fig. 7 and 8, described discharge pilot unit 130 removably appends to the pre-position of housing 21, and in manual paper plug-in type paper feeding unit 70 long paper S is set.

When opening the starting switch of imaging device in this state, image-generating unit 22 (22a-22d) forms the toner image of respective color composition and order and is transferred on the described intermediate transfer belt 23 this toner image is elementary.

On the other hand, the long paper S that is supplied by manual paper plug-in type paper feeding unit 70 arrives second stage transfer sections by the alignment roller in the paper transport path 25 63, and carries out second stage transfer printing at described second stage transfer section.Therefore, the image of the elementary transfer printing on the intermediate transfer belt 23 is transferred on the long paper S by the second stage.Afterwards, long paper S discharges roller 67 by fixation unit 66 and paper, and discharges port 69 from the paper of housing 21 and discharge.

Afterwards, discharge long paper S that port 69 discharges by paper and be transmitted half-turn along the targeting part 132 of the bending of discharging pilot unit 130, and then according to the surface of position of baffle plate 133 up or discharge with facing down.Therefore, long paper S is discharged from and receives on the special-purpose paper discharge unit 110, shown in the label S ' in Fig. 7 and 8.

Here, will describe about the operation in each discharge pattern of discharging pilot unit 130.

At first, in supine discharge pattern, as shown in Figure 6A, the baffle plate 133 that will discharge pilot unit 130 in advance is arranged on B place, second reference position.

Then, as shown in Figure 7, by discharge paper S that pilot unit 130 discharges along the direction of the inclination attitude of baffle plate 133 jump (jump out) and the imaging surface of paper S up, shown in long and short dash line.Also have, paper S gravitate drops, and is shown in dotted line.Afterwards, shown in long and two-short dash line S ', paper S is loaded in paper discharge dish 111 at last and adjusts on the guide plate 120, and described paper discharge dish 111 and adjustment guide plate 120 are component parts of special-purpose paper discharge unit 110.

On the other hand, in ventricumbent discharge pattern, as shown in Figure 6A, the baffle plate 133 that will discharge pilot unit 130 in advance is arranged among the first reference position A.

Then, from discharge paper S that pilot unit 130 discharges along the direction of the inclination attitude of baffle plate 133 jump and the imaging surface of paper S down, shown in the long and short dash line among Fig. 8.

At this moment, thus the front end of the paper S of discharge moves by adjusting the paper S that guide plate 120 stops discharge towards the direction of adjusting guide plate 120.Therefore, the paper S of discharge can not enter paper feeding port one 03 (see figure 3) of paper feeding dish 100.

Then, shown in the dotted line among Fig. 7, will be subjected to action of gravity and drop downwards as long as the rear end of the paper S that discharges breaks away from described discharge pilot unit 130.At last, shown in the two chain line S ' among Fig. 7, the paper S of discharge is loaded in paper discharge dish 111 and adjusts on the guide plate 120, and described paper discharge dish 111 and adjustment guide plate 120 are constituent elementss of the paper discharge unit 110 of special use.

In the process of discharging operation, the baffle plate 133 of discharging pilot unit 130 is according to its posture of rigid transformation of the paper S that discharges.Therefore, the discharge annular path root of the paper S that discharges changes in the direction shown in the arrow m according to the rigidity of the paper S that discharges, that is, specifically increase moving of position that the baffle plate 133 distances first reference position A that causes takes place corresponding to rigidity owing to the paper S that discharges.

In addition, in first embodiment, special-purpose paper discharge unit 110 is arranged to also as manual paper plug-in type paper feeding unit 70.Therefore, do not need to provide again the space of special use to be used to install special-purpose paper discharge unit 110.In addition, in first embodiment, paper feeding dish 100 is configured to inequality with paper discharge dish 111.Therefore, can handle a large amount of paper that to supply and a large amount of paper that will discharge continuously.

(second embodiment)

Fig. 9 is the scheme drawing that second embodiment of the tandem imaging device as paper processing device of the present invention is used in expression.

Tandem imaging device among Fig. 9 is not provided with discharge/receiving element 150 that detouchable supports long paper as special-purpose paper discharge unit with at the top of housing 21 except manual paper plug-in type paper feeding unit 70, basic identical among its basic structure and first embodiment.

By way of parenthesis, use with first embodiment in identical label represent with first embodiment in identical constituent elements, no longer this is elaborated below.

In the above-described embodiments, as shown in Figures 9 and 10, described discharge/receiving element 150 has cell body 151, and described cell body 151 is removably installed on the discharge dish 68 that forms at the top of housing 21.In cell body 151, form a space segment (spatial portion) of discharging port openings 69 towards the paper of housing 21.Described space segment was opened to form paper receiving chamber 152 by a plate (section plate) and be used for receiving long paper S under the state that long paper S is folded in 153 minutes.By way of parenthesis, the sweep of paper receiving chamber 152 is arranged to make it long paper S can be imported to the inboard.For example, on the wall of paper receiving chamber 152, form crooked guiding surface or guiding parts, such as the roller that is arranged on wherein.

In addition, in above-mentioned structure, manual paper plug-in type paper feeding unit 70 has standard carton 71, the side guide 72 of standard, and expansion carton 73 and auxiliary side guide 74 are shown in Fig. 9 and 11.Thereby described standard side guide 72 is arranged on the width position of adjusting cargo-carring paper on it on the standard carton 71.Described expansion carton 73 is arranged on the upstream side of the sheet transport direction of standard carton 71 extendingly.Thereby described auxiliary side guide 74 is arranged on the position of adjusting the Width of cargo-carring paper on it on the described expansion carton 73.

In the above-described embodiment, shown in Figure 11,12A and 12B, described standard side guide 72 comprises fixing side guide 72a and the movably side guide 72b that can move as required on the Width of paper, thereby, for example be adjusted at the position of front (front-end-side) opposite side on the throughput direction of long paper.

On the other hand, as Figure 11, shown in 12A and the 12B, described auxiliary side guide 74 comprises fixing side guide 74a and the movably side guide 74b that can move as required on the Width of paper, thereby, for example be adjusted at the position of rear end side (rear-end-side) opposite side on the throughput direction of long paper.

By way of parenthesis, in a second embodiment, each auxiliary guide plate 74 is arranged to folding as required in predetermined direction with respect to bracing frame 75.For example, for fixing side guide 74a, described bracing frame 75 appends to expansion carton 73 regularly.On the other hand, movably side guide 74b has, and the guide block 76 and this guide block that for example are arranged on the upset T shape in the bracing frame 75 are connected to the guide slot 77 that forms slidably in expansion carton 73.By way of parenthesis, label 78 expressions are used to make the support spring of guide block and guide slot 77 mutual resilient mountings.

Therefore, according to second embodiment, long paper S is loaded in manual paper plug-in type paper feeding unit 70 in the following manner.That is, shown in Fig. 9 and 11, described expansion carton 73 stretches out from standard carton 71, and the auxiliary side guide 74 of expansion on the carton 73 becomes upright state from folded state.Afterwards, long paper S is loaded on the carton 71 and 73 that stretches out, and utilizes standard side guide 72 and auxiliary side guide 74 to adjust the position of the forward and backward and opposite side of long paper S.

Like this, when the long paper S that utilizes corresponding side guide 72 and 74 to adjust exactly to be loaded on the manual paper plug-in type paper feeding unit 70, these long paper S are arranged on carton 71 and 73.

Therefore, the long paper S that supplies from manual paper plug-in type paper feeding unit 70 arrives second stage transfer sections by the alignment roller the paper transport path 25 63, and carries out second stage transfer printing at second stage transfer section, as shown in Figure 9.Therefore, the elementary image that is transferred on the intermediate transfer belt 23 is transferred on the long paper S by the second stage.Afterwards, long paper S process fixation unit 66 and paper distributing roller 67, and discharge port 69 from the paper of housing 21 and discharge.

Afterwards, as shown in Figures 9 and 10, the transport force by paper distributing roller 67 will be discharged long paper S that port 69 discharges from paper and be pushed in the paper receiving chamber 152 discharging/receiving element 150.Therefore, the long paper S that will be in folded state discharges and is received in the paper receiving chamber 152.

For example, when the discharging operation of long paper S finishes, thereby the user can open the door at the top that is arranged on discharges/receiving element 150 or will discharge/receiving element 150 pulls down that it is formed with the long paper of the discharge of image from 150 taking-ups of discharge/receiving element.

In this paper process process, the posture of the long paper S that is supplied is very stable, so do not worry can taking place such as errors such as long paper S are crooked in transport process.Therefore, the picture quality on the long paper S can guarantee well.

By way of parenthesis, when not using long paper, described discharge/receiving element 150 can pull down and described discharge dish 68 as the paper discharge unit of standard.

In addition, support the paper feeding unit or the paper discharge unit of long paper to be not limited to above-mentioned form, also comprise many forms that diverted via as described below.

(first kind of improved form)

Figure 13 represents first kind of improved form of manual paper plug-in type paper feeding unit.

In Figure 13, manual paper plug-in type paper feeding unit except auxiliary side guide 74 (fixing side guide 74a and movably side guide 74b) in sheet transport direction the removable this point, basic identical among its basic structure and second embodiment.

For example, the fixing fixedly side guide 74a of its side locations of auxiliary side guide 74 has supporting construction, shown in Figure 14 A.In other words, described fixing side guide 74a is supported on the bracing frame 81 collapsibly.Described bracing frame 81 is arranged to along the throughput direction guide slot 82 of extending in sheet transport direction removable.On bracing frame 81, form the double pointed nail 83 of outstanding from it predetermined number.On the other hand, the engaging groove 84 of formation and double pointed nail 83 slide joint on the inwall of throughput direction guide slot 82.Therefore, Gu Ding side guide 74a is removable along throughput direction guide slot 82.

On the other hand, for example, the movably removable side guide 74b of its side locations has supporting construction, as shown in Figure 14B.That is, described movably side guide 74b is supported on the bracing frame 81 collapsibly.Described bracing frame 81 slidably engages (by unshowned engaging groove) with described throughput direction guide slot 82 along described throughput direction guide slot 82.On expansion carton 73, form throughput direction guide slot 82.On the other hand, on bracing frame 81, also form guide block 85.One of them slide joint of described guide block 85 and the Width guide slot 86 of the predetermined number (being three in the present embodiment) that on expansion carton 73, forms, and described Width guide slot 86 is extended in the Width of expansion carton 73.Therefore, movably side guide 74b is removable along throughput direction guide slot 82 and Width guide slot 86.

Therefore, according to above-mentioned improved form, can move and can be arranged on only position according to the described auxiliary side guide 74 of the big young pathbreaker of long paper thereby form movably auxiliary side guide 74 described auxiliary side guides 74 in sheet transport direction.Compare with second embodiment, in this improved form, can support the long paper of different sizes.

(second kind of improved form)

Figure 15 represents second embodiment of manual paper plug-in type paper feeding unit.

In Figure 15, manual paper plug-in type paper feeding unit except auxiliary side guide 74 (fixing side guide 74a and movably side guide 74b) can a plurality of positions in sheet transport direction be set, basic identical among its basic structure and first embodiment.

That is, in second kind of improved form, the fixedly side guide 74a of auxiliary side guide 74 has supporting construction.That is, form the joint prodger 91 of downward extension in the lower end of fixing side guide 74a.On the other hand, in expansion carton 73, a plurality of (being three in the present embodiment) conjugate foramen 92 (being specially 92 (1)-92 (3)) is set along sheet transport direction.Fixing side guide 74a can engage with any one conjugate foramen 92 as requested.

On the other hand, movably side guide 74b has supporting construction.That is, for example, form the guide block 95 of inverted T shape in the lower end of side guide 74b movably.On the other hand, in expansion a plurality of (being three in the present embodiment) parallel guide slot 96 (being specially 96 (1)-96 (3)) in sheet transport direction is set on the carton 73.Removable guide side 74b can engage with any one guide slot 96 as requested.By way of parenthesis, be formed for inserting therein the insertion groove 97 of guide block 95 at an end of each guide slot 96.

Therefore, according to this improved form, each auxiliary side guide 74 can be arranged on a plurality of positions in the sheet transport direction, thereby can select to be arranged on only position according to the described auxiliary side guide 74 of the big young pathbreaker of long paper.Therefore, in second kind of modification, can support the long paper of different sizes in the mode identical with first kind of improved form.

By way of parenthesis, can be provided with many to auxiliary side guide 74.In above-mentioned situation, for can the described auxiliary side guide 74 in easier location, describedly manyly can carry out mutual interlock interlocking by unshowned mutual interlocking gear to auxiliary side guide 74.

(the third improved form)

Figure 16 represents the main portion of the third improved form of manual paper plug-in type paper feeding unit.

Have and second embodiment and first and second kind of expansion carton 200 that improved form is different according to the manual paper plug-in type paper feeding unit of the third improved form.

Described expansion carton 200 has attaching parts 201, is roughly paper loading surface 202 and auxiliary side guide 203 and 204 of U-shaped.Described attaching parts 201 removably appends to standard carton 71

The rear end of (seeing Figure 11).Auxiliary side guide 203 and 204 is set respectively in the upper and lower portion on paper loading surface 202.

Therefore, according to the third improved form, when the long paper of supply, described expansion carton 200 appends to described standard carton 71.

Like this, when the rear end part of long paper is attached to the U-shaped paper loading surface 202 of expansion carton 200, can adjust the position of long paper exactly by auxiliary side guide 203 and 204.

On the other hand, when not using long paper, can pull down expansion carton 200 from standard carton 71 in advance.

(the 4th kind of improved form)

Figure 17 A and 17B represent the main portion of the 4th kind of improved procedure of manual paper plug-in type paper feeding unit.

According to the manual paper plug-in type paper feeding unit of the 4th kind of improved form have with second embodiment and first kind to the different expansion carton 210 of the third improved form.

Described expansion carton 210 has the attaching parts (not shown), horizontal component 211, hanging portion 212, auxiliary side guide 213 and 214 and pressure roll 215.Described attaching parts removably appends to the rear end of standard carton 11 (seeing Figure 11).Hanging portion 212 is sagging gradually from horizontal component 211. Auxiliary side guide 213 and 214 is separately positioned on horizontal component 211 and the hanging portion 212.For example, built-in free-wheel clutch in each pressure roll 215, described pressure roll are set in place on the auxiliary side guide 213 on the horizontal component 211.Therefore, can prevent that the long paper that is supported from dropping.

Therefore, according to the 4th kind of improved form, when the long paper of supply, will expand carton 210 and append on the standard carton 71.

Like this, the rear end part of long paper drops in the scope of expansion on the carton 210 from horizontal component 211 to hanging portion 212, thus the supporting role of roller 215 and supportedly firmly can not drop but long paper is stressed.In addition, can accurately adjust the position of long paper by auxiliary side guide 213 and 214.

On the other hand, when not using long paper, can in advance described expansion carton 210 be pulled down from standard carton 71.

(the 5th kind of improved procedure)

Described discharge dish 68 is directly as the paper discharge unit in second embodiment and first kind to the 4th kind improved form.For long paper discharge/receptivity is remained under the good condition, as shown in figure 18, discharge/receiving element 230 and discharge for example are set coil 68 adjacent.Therefore, improved the performance of long paper discharge/reception by discharge dish 68 and discharge/receiving element 230.

(the 3rd embodiment)

Figure 19 is the scheme drawing of expression as the 3rd embodiment of the tandem imaging device of using paper processing device of the present invention.

In Figure 19, identical among the basic structure of described tandem imaging device and first embodiment, except the manual paper plug-in type paper feeding unit 70 that utilizes boxlike paper feeding unit (corresponding with sheet supplying cassette) 24 to support the long paper and among second embodiment also is used as paper discharge unit.

By way of parenthesis, use with first embodiment in identical label represent with first and second embodiment in identical component parts, just no longer this is elaborated below therefore.

In the 3rd embodiment, the structure of boxlike paper feeding unit 24 is shown in Figure 19 and 20A.That is, the box body 241 of the paper of energy acceptance criteria size is as the standard carton.The wall portion 241a relative with the paper sheet delivery side of box body 241 is arranged to around the shaft, and 241b can erect/tiltable.When the 241a of wall portion tilted, box body 241 was as expansion carton 242.

In boxlike paper feeding unit 24, shown in Figure 19 and 20A, sheet transport direction side at box body (standard carton) 241 (for example is provided with feeder 61, be set to be used for obtain paper, then by getting paper bowl 612 and postponing the unit that paper was controlled and transmitted to roller 613 one by one) by pusher roller 611.In addition, the sheet transport direction upstream side of base plate 243 that setting can be moved up and down in box body 241 and box body 241 is as waving fulcrum.

Here, the lift system 244 of base plate 243 for example shown in Figure 21 to 23, sends propulsive effort to ligule axle (tongue shaft) 247 from the input pad (driving input coupling) 245 that drives by gear 246 (seeing Figure 30).For example, described lift system 244 has a pair of prodger 248 outstanding in the radial direction of ligule axle 247.Therefore, the free end side of waving by described prodger 248 supporting baseplates 243 moves up and down.

In addition, 249 expressions of the label among Figure 20 A judge that exist/there is not sensor in the existence/non-existent paper of the paper on the base plate 243.For example, at the upside of the base plate 243 of box body 241 paper is set to exist/do not have sensor 249, and paper exist/do not exist detector 249 be included in base plate 243 on the paper driving device of working in the process that contacts.

Also have, in the 3rd embodiment, boxlike paper feeding unit 24 has standard side guide 251 and the standard end guide 252 that is arranged in box body 241.Described standard side guide 251 is adjusted the horizontal position of the paper that is received in normal size wherein.Described standard end guide 252 is adjusted the rear positions (upstream position of sheet transport direction) of paper.Guide 251 and 252 sizes according to every kind of paper slidably move along their corresponding guide slot 253 and 254 respectively.

In the 3rd embodiment, when guide 251 and 252 is mobile respectively, side guide driving device 256 and 257 connecting rod mechanisms by appointment (are pitman arm, with the cam-like groove of regulating described pitman arm motion, or the like) 255 form mobile interlocked relationship with guide 251 and 252 respectively, shown in Figure 21 to 23.Therefore, thus the described size detection sensor 258 of predetermined contact point pressurized of size detection sensor 258 can detect the size of paper.

Especially, in the 3rd embodiment, the structure of boxlike paper feeding unit 24 is shown in Figure 24 A and 24B.That is, on the housing 21 with on the cooresponding part of the 241a of wall portion of box body 241 (expansion carton 242) lid 261 of opening/closing is being set.For example, on the inner surface of the lid 261 of described opening/closing, form a pair of hook-shaped lock pawl 262.Described lock pawl 262 is locked in the upper rim of the 241a of wall portion of box body 241.When the lid 261 of opening/closing was opened, the 241a of wall portion was in the heeling condition with the open mode interlocking of the lid 261 of opening/closing.By way of parenthesis, in Figure 24, the groove part that label 263 expressions form by fluting on a part of sidewall of box body 241, and this groove part is used for each lock pawl 262 is locked in the 241a of wall portion of box body 241.

Also have, also be provided with rotating back support rod 265 to strengthen the part of the rear end of supporting long paper at expansion carton 242.

By way of parenthesis, shown in the dotted line among Figure 24 A, on the inboard of the 241a of wall portion (expansion carton 242), can form guiding mounting portion (engaging groove or guide slit) 271, thereby auxiliary side guide 272 energy for example removably append to described guiding mounting portion 271.

Also have, in the 3rd embodiment, expansion carton 242 can be erect/tiltable with respect to standard carton 241.Whether the off/on switches 281 of lid is used for detecting expansion carton 242 and tilts.

The operation of the off/on switches 281 of lid is for example shown in Figure 25 A.That is, the prodger 261a that gives prominence to from the lid 261 of opening/closing is set.For example, when the lid 261 of opening/closing was closed, described prodger 261a was near the contact point of the off/on switches 281 of lid.

In addition, adopt following checking system to detect expansion carton 242 and whether be set to stretch out state.That is, terminal guide spare 252 is arranged to from the off/on switches 281 of lid setting/inclination or other separably, for example shown in Figure 25 B.Detection piece 286 is arranged to from the front end that transmits swivel arm 285 outstanding, and the setting/heeling condition of the rotation of described transmission swivel arm and terminal guide spare 252 is an interlocked relationship.Utilize detection piece 286 suitably to seal optical path such as the end cap posture switch 282 of optic coupler.For example, as long as detection piece 286 has blocked described end cap posture switch 282, this detection piece just knows that described terminal guide spare 252 is in inclination attitude.Therefore, detect described expansion carton 242 indirectly and be set to stretch out state.

Also have, in the 3rd embodiment, as shown in figure 19, in housing 21, be provided with and discharge pilot unit 130.In the 3rd embodiment, the unit is set adds/dismantle the state that switch 283 is used to detect the additional/dismounting of discharging pilot unit 130.

For example, the optical pickocff such as optic coupler adds/dismounting switch 283 as the unit.Outstanding from it detection piece 287 is set on a part of discharging pilot unit 130.For example, as long as added discharge pilot unit 130, just utilize detection piece 287 to block the optical path that is used to detect.

In addition, have standard carton 71 and expansion carton 73 as the manual paper plug-in type paper feeding unit 70 of paper discharge unit, this expansion carton with respect to standard carton 71 be extending/contractile or can add/detouchable.In the above-described embodiment, as long as described expansion carton 73 is elongation or additional state, unshowned sensor just detects described expansion carton 73 and is set to stretch out state.

In addition, in the 3rd embodiment, control/disposal system comprises microcomputer system (CPU 291, and RAM 292, ROM 293 and input and output interface 294 and 295), for example, and as shown in figure 26.In ROM293, store many software programs in advance such as image forming program and paper driver routine (comprising that long paper uses pattern).The signal that uses off/on switches 281, terminal guide spare posture switch 282 and the unit of mode selection part (such as UI or printer driver) 280, lid to add/dismantle switch 283 from long paper enters CPU291 by input interface 294.Send sheet transport system 296 and imaging system 297 by carrying out the different signal that given program obtains to by output interface 295.

By way of parenthesis, Figure 27 illustrates the diagram of circuit that is illustrated in the treating process in the long paper use pattern.

Below, will describe about operation according to the imaging device of the 3rd embodiment.

Suppose on a long paper (long paper), to have finished imaging processing.Shown in Figure 19 and 24A and 24B, if the lid of opening/closing 261 will be worked well with tilt described expansion carton 242 then boxlike paper feeding unit 24 for open mode, and when unloading the auxiliary support bar 265 of expansion carton 242, terminal guide spare 252 is a heeling condition.

And, for manual paper plug-in type paper feeding unit 70, wherein discharge pilot unit 130 and append to the top of housing 21, therefore manual paper plug-in type paper feeding unit 70 is also as paper discharge unit, if with respect to standard carton 71 or will expand carton 73 on the bearing of trend of additional parts on it and dismantle, the work of then described manual paper plug-in type paper feeding unit is good.

In order to carry out imaging processing to long paper by this way, then need to finish the dead work about imaging device mentioned above.

Here, the user selects " long paper operation " item by UI (User Interface user interface) or printer driver, uses pattern (step S100) thereby long paper is set.

In this case, the situation of the item of the mode by example described to selecting " long paper operation " is described on the performance screen of printer driver.As shown in figure 28, the user can stipulate down to list: (1) original size, (2) output paper (paper) size, the selection of (3) paper (paper) box and (4) discharge destination.

In this example, list under the selection: (1) long paper (long paper), (2) equal original size, (3) go up carton, (4) manual paper insertion dish (manual paper plug-in type paper feeding unit) (seeing Figure 28).

When selecting long paper to use pattern, according to the signal that off/on switches 281 and terminal guide posture switch 282 from lid send, processing/control system checks whether boxlike paper feeding unit 24 is configured to support the specification (specification) (step S101) of long paper.

Then, according to/signal that dismounting switch 283 send additional from the unit, whether the inspection of processing/control system the described discharge pilot unit 130 of affix (step S102).Also have, according to the signal that sends from unshowned sensor, whether described processing/control system inspection will be configured to support the specification (step S103) of long paper as the manual paper plug-in type feeding unit 70 of paper discharge unit.In addition, whether the inspection of processing/control system suitably is provided with long paper S (step S104) in boxlike paper feeding unit 24.

At this moment, when any one checks that item does not satisfy, for example on the UI screen, show alert message.

Under the situation that all inspection items all satisfy, after long paper S arm is arranged in the boxlike paper feeding unit 24, when the instruction of " printing " occurring on the performance screen, long paper is carried out print job (step S105).

At this moment, transmit the long paper S that is arranged in the boxlike paper feeding unit 24 by feeder 61.Afterwards, long paper S arrives second stage transfer section by alignment roller 63.On the other hand, be sent to second transfer section by the image that becomes camera (corresponding imaging units 22 and intermediate transfer belt 23) to form.In second transfer section, be transferred on the long paper S by the image that becomes camera to form.

Afterwards, long paper S process fixation unit 66 and paper distributing roller 67, and discharge port 69 from the paper of housing 21 and discharge.Long paper S is discharged to manual paper plug-in type paper feeding unit 70 as paper discharge unit by discharging pilot unit 130.

In this operating process, when using long paper, boxlike paper feeding unit 24 is arranged to use the corresponding specification of pattern (specificat ion) with long paper.

At this moment, guarantee to load and receive long paper S by expansion carton 242, described expansion carton 242 utilizes the side guide 251 of standard and the position that auxiliary side guide 272 is adjusted long paper S as required by constituting from box body 241 bevelled wall 241a of portion and back support rod 265.

In this case, long paper S and do not have crooked can accurately be set.Therefore, rare mistake in the long paper transport process of being supplied.

In addition, in the third embodiment, for example, thereby the manipulation shown in the execution graph 29A is arranged on long paper S on the boxlike paper feeding unit 24.That is, as long as the setting of the expansion carton 242 that is used to stretch out is finished, base plate 243 just moves to the position (initial position) of below.Therefore, may load and receive the long paper S of q.s.

Perhaps, as long as the setting of the expansion carton 242 that is used to stretch out is finished, base plate 243 just can rise to predetermined ready position from the position (initial position) of below, thereby reduces the predetermined gap m between base plate 243 and the feeder 61 in advance, shown in Figure 29 B.Though the work number of times of long paper (job number) is restricted in fact to a certain extent in this case, but the primary clearance between base plate 243 and the feeder 61 reduces, thus reduce long paper S when beginning to print for will be by being pressed on the feeder 61 and the distance of rising.Therefore, can correspondingly shorten and begin to print the required time.

Also have, in the 3rd embodiment, whether the expansion carton 242 that all is used to detect boxlike paper feeding unit 24 when the off/on switches 281 of lid and terminal guide posture switch 282 has been set to stretch out state, even so for example the lid 261 of opening/closing is opened by accident and is not also worried meeting executive chairman paper mode.Therefore, can effectively avoid et out of order.

By way of parenthesis, though the 3rd embodiment adopts boxlike paper feeding unit 24 to comprise the form of base plate 243, the present invention is not limited to this form, also can adopt the another kind of system shown in Figure 20 B.For example, on the sheet transport direction side of box body 241, bevelled surface portion 301 can be set.Like this, paper S just is loaded on the bottom of box body 241, and paper S passes through the pusher roller 611 of feeder 61 along 301 transmission of bevelled surface portion, and near getting paper bowl 612 and postponing being set at inclined surface part 301 is separated from each other when roller 613 is operated one by one.By way of parenthesis, exist/there is not detecting sensor in label 302 expression paper.

In addition, whether the expansion carton 242 that can adopt another kind of checking system to be used to detect boxlike paper feeding unit 24 is set to stretch out state, for example, and shown in Figure 30 and 31.That is, in expansion carton 242, be formed for the expansion guide slot 311 of terminal guide spare 252, make it have arc trajectory shape.The terminal location of expansion guide slot 311 is arranged on from the zone that depart from the zone of loading long paper S.On the other hand, (for example make terminal guide spare 252 and end actuator 257 by connecting rod mechanism 255, a kind of mechanism that forms by following parts: move the pitman arm 321 of a pair of arm and the pin 323 that engages with the engagement slot 322 of pitman arm 321 slidably)) with 257 interlockings of end actuator.When terminal guide spare 252 moves to expansion guide slot 311 and arrives the terminal location of described expansion guide slot 311 by guide slot 254, detect the position of end actuator 257 by size detection sensor (not shown).

(the 4th embodiment)

Figure 32 represents the 4th kind of embodiment as the tandem imaging device of using paper processing device of the present invention.

In Figure 32, the tandem imaging device replaces discharging the top that pilot unit 130 removably appends to housing 21 except discharge/receiving element 150 of supporting long paper (have with second embodiment in identical structure), with described manual paper plug-in type paper feeding unit 70 as outside the paper discharge unit, basic identical among its basic structure and the 3rd embodiment.

By way of parenthesis, use with the 3rd embodiment in identical label represent with the 3rd embodiment in identical component parts, therefore no longer it is elaborated.

In the 4th embodiment, utilize with being used in the 3rd embodiment and detect the system of adding/dismantling that the similar system of the checking system of the additional/dismounting of discharging pilot unit 130 detects discharges/receiving element 150.

In addition, control/disposal system of using in the 4th embodiment is arranged for, and for example realizes supporting the print job of long paper by the treating process shown in Figure 23.

Below, will describe about operation according to the imaging device of the 4th embodiment.

For example, when carrying out the print job that uses long paper, select the item (step S110) of " long paper operation " as shown in figure 33 by UI or printer driver.

After having selected, control/disposal system detects boxlike paper feeding unit 24 and whether has been configured to support the specification (specification) (step S111) of long paper and whether has added discharge/receiving element 150 (step S112).Also have, whether processing/control system control general paper S suitably is arranged in the described boxlike paper feeding unit 24 (step S113).

Then, under the situation that described inspection item all satisfies, after long paper S is provided with in the boxlike paper feeding unit 24, when instruction " printing " occurring on the performance screen of printer driver, long paper is printed work (step S114).

As mentioned above, in paper discharge unit according to the present invention, the paper feeding dish is also as paper discharge dish, and in the face of discharging the surface as paper in the zone on the paper loading surface of paper feeding dish, thereby guarantee to receive the space of long paper.Therefore, do not need to provide special-purpose space to be used to supply and discharge the paper discharge dish of long paper.

Therefore may not need extra reception space just can guarantee the receptivity of long paper.Therefore, may improve the reliability of handling long paper.

In addition, in the paper processing device that uses this dual purpose paper discharge unit, detouchable is discharged pilot unit and be can be used for guiding and discharge described long paper.Therefore, under the condition of using long paper, can supply and discharge long paper effectively.On the other hand, under the condition of not using long paper, discharge the operation that pilot unit can easily support to discharge plain paper by dismounting.

Also have, in paper discharge unit, removably be provided as the discharge/receiving element of the long paper of support of paper discharge unit whole or a part according to another kind of form of the present invention.Therefore, using under the condition of long paper, can guarantee the receptivity of long paper and do not need extra reception space.Therefore, can improve the reliability of handling long paper.On the other hand, under the condition of not using long paper, can easily support to discharge the operation of plain paper by pulling down described discharge/receiving element.

And in the paper processing device that uses this paper discharge unit, the long paper receptivity of paper discharge unit is stable.Therefore, the implementation of handling long paper is remained under the good condition.

In addition, in paper feeding unit according to the present invention, the expansion carton is arranged to extended with respect to the standard carton, and it can detect described expansion carton and whether be set to stretch out state by the expansion detecting unit.Therefore, in the time knowing exactly whether paper feeding unit is set to the corresponding state of long paper use pattern, receive the stable performance of long paper.Therefore, can correspondingly improve the reliability of handling long paper.

Also have, in the paper processing device that uses this paper feeding unit, when knowing accurately whether paper feeding unit is set to the state that stretches out when supporting long paper, the stable performance of the long paper of reception in paper feeding unit.Therefore, can make under the good condition of the property retention of handling long paper.

Though by showing with reference to concrete preferred embodiment and describe the present invention that technical scheme disclosed herein to those skilled in the art can have many different changes and improvements.This changes and improvements are obviously with spirit of the present invention, the scope of the qualification of accompanying Claim book be intended that consistent.

Claims (4)

1. paper discharge unit that is used to discharge and receive long paper comprises:

Discharge/receiving element, it is removably disposed in from the part of the transfer path of the long paper of paper feeding unit supply;

It is characterized in that discharge and receive described long paper, the described long paper that is discharged from is received in the paper receiving chamber of described discharge/receiving element with being in folded state in described discharge/receiving element;

And described discharge/receiving element is removably installed on the normal paper discharge dish.

2. paper discharge unit that is used to discharge and receive long paper comprises:

Normal paper discharge dish is used for discharging therein and receiving non-long paper; With

Discharge/receiving element, it is removably disposed near the of normal paper discharge dish and can receives the downstream end portion of the long paper of discharging, and the downstream end portion of the long paper of described discharge is received in the paper receiving chamber of described discharge/receiving element with being in folded state;

Described discharge/receiving element is adjacent with described normal paper discharge dish and be positioned at the downstream along sheet transport direction of this normal paper discharge dish.

3. paper processing device that is used on the long paper of being supplied carrying out predetermined process comprises:

The processing section is used for carrying out predetermined process on the long paper of being supplied; With

Discharge and reception area, be used for discharging and receive described long paper at paper discharge unit, described paper discharge unit comprises the discharge/receiving element that is removably disposed in from the part of the transfer path of the long paper of paper feeding unit supply, and the described long paper that is discharged from is received in the paper receiving chamber of described discharge/receiving element with being in folded state; And this discharge/receiving element is removably installed on the normal paper discharge dish.

4. paper processing device that is used on the long paper of being supplied carrying out predetermined process comprises:

The processing section is used for carrying out predetermined process on the long paper of being supplied; With

Discharge and receiving unit, be used for discharging and receiving described long paper at paper discharge unit, described paper discharge unit comprises: normal paper discharge dish is used for discharging therein and receiving non-long paper; And discharge/receiving element, be removably disposed near the described normal paper discharge dish, and can receive the downstream end portion of the long paper of discharging, and the downstream end portion of the long paper of described discharge is received in the paper receiving chamber of described discharge/receiving element with being in folded state;

Described discharge/receiving element is adjacent with described normal paper discharge dish and be positioned at the downstream along sheet transport direction of this normal paper discharge dish.

Images