JP2008233658A - Copying processing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a copying processing system making clear position of a partition for a paper sheet after copying by simple composition. <P>SOLUTION: The copying processing system is provided with an image forming apparatus 10 forming, on the paper sheet P, an image based on an image data read from an original B and a post processing apparatus forming punch holes P2 in the paper sheet P formed with image formation. When a tab B1 exists in the original B, the copying processing system deviates the position for forming an image on the paper sheet P and the positions for forming the punch holes P2 on the paper sheet P in a paper sheet conveying direction. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a copy processing system including an image forming apparatus and a post-processing apparatus.

  2. Description of the Related Art Conventionally, for example, a copy processing system including an image forming apparatus and a post-processing apparatus as described in Patent Document 1 is known.

  The image forming apparatus reads image data of a document with a document reading unit, forms an image based on the image data with the image forming unit on the sheet while conveying the sheet along a sheet conveyance path, The processing apparatus performs predetermined post-processing on the paper after image formation sent out from the image forming apparatus along the paper transport path. The predetermined post-processing includes, for example, forming a punch hole in a sheet by a punch unit, stapling a sheet by a staple processing unit, and the like.

In such a copy processing system, the image forming apparatus and the post-processing apparatus are controlled by the control unit.
JP-A-7-13470

  By the way, in the copy processing system as described above, when a plurality of originals partitioned by tabbed originals are copied together, if the same copy is made continuously on a single sheet, There is a problem that it becomes difficult to understand which paper of the paper corresponds to the document with the tab, and it becomes difficult to find the partition position of the paper after copying.

  Here, for example, Patent Document 1 discloses a technique for inserting slip sheets, which are sheets of different colors, but when such slip sheets are used, a tray dedicated to slip sheets is provided to perform complicated control. There is a need to do.

  In view of such circumstances, an object of the present invention is to provide a copy processing system capable of clarifying a partition position of a sheet after copying with a simple configuration.

  According to a first aspect of the present invention, there is provided an image forming apparatus that reads image data of a document by a document reading unit and forms an image based on the image data by the image forming unit on the sheet while conveying the sheet along a sheet conveyance path. A post-processing device that forms a punch hole in a punch portion on the paper while conveying the paper after image formation sent out from the image forming device along the paper transport path, and the post-processing device and the image forming device. In the copy processing system including a control unit that performs overall control, the document reading unit is provided with tab detecting means for detecting whether or not the document has a tab, and the control unit includes the tab When the detecting means detects that the document has a tab, the position where the image forming unit forms an image on the paper is shifted in the paper transport direction, and the punch unit forms a punch hole in the paper. That is characterized in that the position and controls the image forming apparatus and a post-processing apparatus so as to shift the sheet conveyance direction.

  Here, a tab (also referred to as an “index”) is one that protrudes from the edge of a document and has numbers or headings on its surface. For example, a tab or document that is pasted on a standard-sized document Some of them have a predetermined shape and are provided integrally with the document.

  According to a second aspect of the present invention, in the copy processing system according to the first aspect, when the document has a tab, the document reading unit reads image data of the document including the tab. It is what.

  For example, as in the invention according to claim 3, the document reading unit has a document transport path for transporting a document, and the tab detection unit is orthogonal to the document transport direction in the document transport path. It can be set as the structure comprised by the some sensor provided along with the direction to do.

  According to the first aspect of the present invention, when the document has a tab, the position where the punch hole is formed in the paper is shifted in the paper conveyance direction. Only the paper corresponding to the original will protrude from the other paper. Accordingly, it is possible to clarify the partitioning position of the sheet after copying with a sheet corresponding to the document with the tab with a simple configuration in which the formation position of the punch hole is simply shifted. In addition, when the document has tabs, the image forming position on the paper is also shifted in the paper transport direction, so that the image forming position of each paper is matched when filing the paper after punch hole formation. Will be able to.

  As in the invention according to claim 2, when the document reading unit has a tab on the document, the position where the image is formed on the sheet as described above as long as it reads the image data of the document including the tab. Is shifted in the paper transport direction, so that the tab information is copied to the end of the paper opposite to the direction in which the image forming position is shifted. Therefore, the end of the sheet that protrudes when the sheet after punch hole formation is filed serves as a tab.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows a copy processing system according to an embodiment of the present invention. In this copy processing system, the image reading unit 12 reads the image data of the document B, and the image forming unit 13 forms an image based on the image data on the sheet P while conveying the sheet P along the sheet conveyance path L2. An image forming apparatus 10 and a post-processing device 20 that performs predetermined post-processing on the sheet P while conveying the sheet P after image formation sent out from the image forming apparatus 10 along the sheet conveying path L3. Yes. The image forming apparatus 10 and the post-processing apparatus 20 are controlled by the control unit 90 as shown in FIG.

  The image forming apparatus 10 is configured by mounting a document reading section 12, an image forming section 13, and a paper feeding section 14 on a box-shaped apparatus main body 11. The document reading unit 12 is provided on the upper surface side of the apparatus main body 11, while the image forming unit 13 is provided in a substantially central part in the apparatus main body 11, and the paper feeding unit 14 is provided in the apparatus main body. 11 is provided at a position below the image forming unit 13 in the apparatus 11.

  The original reading unit 12 includes a scanner that generates image data from an optically read original image, and includes a first contact glass 121 and a second contact glass 122 on an upper surface thereof. The first contact glass 121 is used when the automatic document reading device 123 that also serves as a document presser is opened and a document is set by manual operation. The first contact glass 121 is provided on substantially the entire center of the upper surface of the apparatus main body 11. Yes. On the other hand, the second contact glass 122 is used for automatically sequentially reading a plurality of documents B placed on the automatic document reader 123 and is driven by the document transport mechanism 124. The image data of the original B is read from the original B which is sequentially conveyed along the original conveying path L1 so as to be in contact with the two-contact glass 122. Then, the read image data of the document B is transmitted to the control unit 90.

  The document transport mechanism 124 includes a document placement unit 125, a carry-in drive unit 126 including a carry-in roller pair, a transport roller pair 127, a discharge roller pair 128, and a paper discharge table 129. The document B placed on the sheet 125 is automatically conveyed one by one while being in contact with the second contact glass 122, and is discharged onto the sheet discharge tray 129 after the exposure scan of the document B.

  The paper feed unit 14 is provided with two upper and lower paper feed cassettes 141 for storing copy paper P and a manual paper feed unit 142. The sheet conveyance path L2 conveys the sheet P from the sheet feed cassette 141 to the image forming unit 13 and the cassette side conveyance path 143 for conveying the sheet P from the manual sheet feeding unit 142 to the image forming unit 13. The manual feed side conveyance path 145. Each of the paper feed cassettes 141 and the manual paper feed unit 142 includes a pickup roller 146 for taking out the stored paper P and a paper feed roller pair 147 for feeding the paper P one by one to the transport path. Yes.

  The cassette side transport path 143 is transported in front of the image forming unit 13 and the transport roller pair 148 that transports the paper P fed from each paper feed cassette 141 via the pickup roller 146 and the paper feed roller pair 147. A registration roller pair 149 for waiting the incoming paper P at a predetermined position is provided. The manual feed side conveyance path 145 joins the cassette side conveyance path 143 on the upstream side of the registration roller pair 149.

  The image forming unit 13 includes a rotatable photosensitive drum 130, and a charging unit 131, a developing unit 132, a transfer roller 134, and a cleaning unit 136 are disposed along the periphery of the photosensitive drum 130. In addition, a laser scanning unit 133 and a fixing roller pair 135 are disposed on the outside thereof.

  The charging unit 131 uniformly charges the surface of the photosensitive drum 130 to a predetermined potential, and the laser scanning unit 133 applies a laser beam to the surface of the photosensitive drum 130 based on the image data transmitted from the control unit 90. And an electrostatic latent image is formed on the surface of the photosensitive drum 130.

  The developing unit 132 causes toner to adhere to the electrostatic latent image to make the image appear. The transfer roller 134 transfers the made toner image onto the paper P. The fixing roller pair 135 fixes the toner image transferred onto the paper P, and the cleaning unit 136 cleans and removes the toner remaining on the surface of the photosensitive drum 130 after the image transfer. In preparation for the next electrostatic latent image formation.

A paper discharge unit 136 including a discharge roller pair 138 and a discharge port 139 is provided on the upper portion of the apparatus body 11, and the paper P led out from the fixing roller pair 135 is discharged via the discharge roller pair 138. The gas is discharged from the mouth 139 out of the system. A discharge branch guide 137 is provided immediately downstream of the fixing roller pair 135, and the discharge branch guide 137 switches the discharge destination of the paper P between the paper discharge portion 136 and the intra-cavity discharge tray 111. To get.

  In addition, a copy information input unit 101 is provided at an upper appropriate position on the front side of the apparatus main body 11, and a post-processing information input unit 102 is provided adjacent to the copy information input unit 101.

  The copy information input unit 101 is used to input information related to copying, and the size of the original, the size of the paper P to be copied, the number of copies, A reduction magnification can be input. Copy processing is executed based on the input information from the copy information input unit 101.

  The post-processing information input unit 102 inputs information (conditions) related to post-processing when the post-processing is performed on the paper P after the copy processing is executed by the image forming apparatus 10. The presence / absence of the staple, the presence / absence of the staple process, the staple position when the staple process is performed, and the like are input by operating predetermined keys.

  A display unit 103 for displaying and outputting various types of information including alarms is provided in the vicinity of the copy information input unit 101 and the post-processing information input unit 102.

  The fixing-processed (after image formation) paper P discharged from the paper discharge port 139 is introduced into the post-processing device 20 and is subjected to predetermined processing based on post-processing information from the post-processing information input unit 102. Post-processing will be performed.

  The post-processing device 20 includes a punch unit 30 that performs a punching process, which is one of the finishing processes, on the paper P carried from the image forming apparatus 10 through the paper discharge port 139, and a downstream side of the punch unit 30. A staple processing unit 40 that is provided and performs a stapling process on the sheet bundle P1, and a sheet discharge unit 50 that discharges the sheet P or the sheet bundle P1 subjected to one or both of the punching process and the staple process to the outside of the system. A sheet retracting section 60 for storing the sheets P that have been punched by the punch section 30 and need to be temporarily retracted before being supplied to the staple processing section 40; When the center folding unit 70 that performs the center folding process on the sheet bundle P1 that has been stapled at the center is mounted on the main body 21 having a box shape. It is configured Te.

  A contact surface of the apparatus main body 21 with respect to the apparatus main body 11 is provided with a paper inlet 22 facing the paper discharge outlet 139 of the apparatus main body 11, and paper is discharged from the image forming apparatus 10 through the paper discharge outlet 139. The fixed sheet P is introduced into the sheet post-processing device 20 from the sheet receiving port 22.

  The punch portion 30 is formed on the downstream side of the sheet receiving port 22 in the apparatus main body 21. The punch unit 30 includes a predetermined punch machine 31 that forms a punch hole P2 (see FIG. 4B) by punching a pair of binding holes at the end of the fed paper P in the sheet conveyance direction. Is provided.

  The staple processing unit 40 is provided immediately downstream of the punch machine 31 and directly below the paper retracting unit 60, and has an intermediate tray 41 that temporarily stocks the conveyed paper P as a paper bundle P1. ing. The paper P sent out from the punch unit 30 or the paper retracting unit 60 is supplied onto the intermediate tray 41 and stored on the intermediate tray 41 to become a paper bundle P1. The staple processing unit 40 performs stapling processing on the sheet bundle P1 in various manners.

  The paper discharge unit 50 includes a main paper discharge tray 51 that can be moved up and down in the apparatus main body 21, a plurality of sub-discharge trays 52 that are directed to an upper position of the main paper discharge tray 51, and each of the discharges. An elevating mechanism (not shown) for elevating the paper trays 51 and 52 is provided. A sheet bundle P1 that has been stapled by the intermediate tray 41 is discharged to the main discharge tray 51. On the other hand, the sheet bundle P1 that has passed through the punch unit 30 and sent to the sheet retracting unit 60 without passing through the staple processing unit 40 passes through a part of the sheet retracting unit 60 to the sub sheet discharge tray 52. The paper is discharged.

  The lifting mechanism is configured so that the sheet bundles P1 discharged onto the sheet discharge trays 51 and 52 or the upper surface of the sheet P are positioned at a height level suitable for discharging the sheet bundle P1. , 52 is moved up and down.

  The sheet retracting section 60 includes a cylindrical retracting drum 61 that holds the sheet P on the peripheral surface, and a cover guide 62 that covers the peripheral surface of the retracting drum 61 in a separated state. Then, when the paper P to be temporarily retracted is fed, the paper P is introduced into the gap between the peripheral surface of the retracting drum 61 and the inner surface of the cover guide 62, where a predetermined condition is satisfied. The paper is temporarily stored until it is satisfied, and when the condition is satisfied, it is accompanied by the next paper P and fed to the staple processing unit 40.

  The half-folding unit 70 performs a folding process on the sheet bundle P1 that has been stapled at the center in the staple processing unit 40 in a folding manner (half-folding) at the staple position. A pressing plate 71 that pushes and bends the central portion of the sheet bundle P1 that is carried out from the downstream end of the section 40 to the lower folding conveyance path, and a sheet bundle P1 that is folded in half by the pressing plate 71. A pair of center folding rollers 72 that clamp and stabilize the center folding state, a guide plate 73 that guides the discharge of the sheet bundle P1 after being folded by the center folding roller pair 72 from above, and the guide A half-fold tray 74 that receives the sheet bundle P1 discharged while being guided by the plate 73 is provided.

  Furthermore, in the copy processing system according to the present embodiment, as shown in FIG. 4A, the tabbed document Bb having the tab B1 is sandwiched between the tabless documents Ba, so that the tabbed document Bb is used. When a plurality of partitioned originals Ba and Bb are copied together, and the punching unit 30 performs punching processing on the copied paper P, the partition position of the copied paper P is made clear. The structure for is adopted.

  The size of the originals Ba and Bb is, for example, A4 or B5. A pair of binding holes B2 are formed at one end in the short side direction (left side in the illustrated example) in the originals Ba and Bb, and the tab B1 is the other in the short direction of the original Bb (in the illustrated example). The right end) protrudes in the short direction of the document Bb with a predetermined width. The binding hole B2 and the tab B1 may be provided at one or the other end in the longitudinal direction of the originals Ba and Bb.

  The configuration will be specifically described. As shown in FIG. 3A, the document reading path L1 of the document reading unit 12 is arranged in a direction orthogonal to the document conveying direction (the direction of the arrow in the drawing). A plurality of reflective photoelectric sensors 80a to 80f are provided. Usually, the document transport path L1 is provided with a plurality of reflective photoelectric sensors (not shown) for detecting a jam at a predetermined interval in the document transport direction. If a plurality of photoelectric sensors of the same type are arranged on the other side, the photoelectric sensors 80a to 80f can be provided by using the photoelectric sensor for jam detection.

  Then, the originals Ba and Bb are placed on the original placement unit 125 so that the short side direction is the original conveyance direction, and the originals Ba and Bb are conveyed along the original conveyance path L1 by the original conveyance mechanism 124. When the document Ba without tabs passes over the photoelectric sensors 80a to 80f, the ON and OFF timings of all the photoelectric sensors 80a to 80f are the same, but the document Bb with tabs has the photoelectric sensors 80a to 80f. When passing above, as shown in FIG. 3B, only the photoelectric sensor 80e at the position where the tab B1 passes is delayed in OFF timing compared to the other photoelectric sensors 80a to 80d, 80f. Thereby, it can be seen that the document Bb has the tab B1. That is, the photoelectric sensors 80a to 80f constitute a tab detection unit 80 that detects whether or not the document Ba or Bb has the tab B1.

  On the other hand, the paper P is stored in the paper feed cassette 41 such that the short side direction is the paper transport direction. The size of the paper P may be the same as that of the originals Ba and Bb, or may be larger or smaller than that of the originals Ba and Bb when copying with enlargement or reduction. Then, when the tab detection unit 80 detects that the document Bb has the tab B1, the control unit 90 shifts the position where the image forming unit 13 forms an image on the paper P in the paper transport direction. 10 is controlled. That is, the image forming apparatus 10 is controlled so that the timing for forming an image on the paper P is advanced. As a result, as shown in FIG. 4B, the sheet Pb corresponding to the tabbed document Bb is closer to the side opposite to the side where the tab B1 is located than the other sheets Pa.

  In the present embodiment, when the document Bb has the tab B1, the document reading unit 12 is configured to read the image data of the document including the tab B1. That is, the document reading unit 12 is controlled by the control unit 90 so that the reading time is extended by a predetermined time when the tab detection unit 80 detects that the document Bb has the tab B1. In addition to this, the position where the image is formed on the paper Pb as described above is shifted in the paper transport direction, that is, the side opposite to the side where the tab B1 is located. The information on the tab B1 is copied to the position P1 corresponding to the tab B1 at the end of the opposite side sheet Pb.

  Further, the control unit 90 performs post-processing so that the position at which the punch unit 30 forms the punch hole P2 in the paper Pb is shifted in the paper transport direction when the tab detection unit 80 detects that the document Bb has the tab B1. The device 20 is controlled. That is, the post-processing device 20 is controlled so that the timing for forming the punch hole P2 in the paper Pb is advanced. As a result, as shown in FIG. 4B, the sheet Pb corresponding to the tabbed document Bb has a position where the punch hole P2 is formed on the side opposite to the side where the tab B1 is located compared to the other sheets Pa. become. Therefore, as shown in FIG. 5, when filing the papers Pa and Pb after the punch hole P2 is formed, only the paper Pb corresponding to the document bb with tabs protrudes from the other papers Pa.

  As described above, according to the present embodiment, the partition position of the papers Pa and Pb after copying is made clear by the paper Pb corresponding to the tabbed original Bb with a simple configuration in which the formation position of the punch hole P2 is simply shifted. Will be able to. In addition, by shifting the image forming position on the paper Pb in the paper transport direction, the image forming positions of the paper Pa and Pb can be matched when filing the paper Pa and Pb after punch hole formation. become.

  Further, since the information on the tab B1 is copied at the end of the sheet Pb opposite to the direction in which the image forming position is shifted, the end of the protruding sheet Pb serves as a tab.

  In the above-described embodiment, the photoelectric sensors 80a to 80f constituting the tab detection unit 80 are provided in the document transport path L1 of the document reading unit 12, but the light source sensors 80a to 80f are the document placement unit. 125 may be provided. Usually, the document placement unit 125 is provided with a plurality of reflective photoelectric sensors for confirming the size of the document B in the document transport direction. If a plurality of photoelectric sensors are arranged, the photoelectric sensors 80a to 80f can be provided using the photoelectric sensor for checking the document size.

1 is a schematic configuration diagram of a copy processing system according to an embodiment of the present invention. It is a block part of a copy processing system. (A) is an arrangement diagram showing the arrangement of sensors, and (b) is a timing chart when a document passes over the sensors. (A) is a plan view of a document, and (b) is a plan view of a sheet after punch holes are formed. It is explanatory drawing explaining the state which filing the paper after punch hole formation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Image forming apparatus 12 Document reading part 13 Image forming part 20 Post-processing apparatus 30 Punch part 80 Tab detection means 80a-80f Photoelectric sensor 90 Control part L1 Document conveyance path L2, L3 Paper conveyance path B, Ba, Bb Document B1 Tab P , Pa, Pb Paper P2 Punch hole

Claims (3)

An image forming apparatus that reads image data of a document by a document reading unit, conveys the sheet along a sheet conveyance path, and forms an image based on the image data by the image forming unit on the sheet, and is sent from the image forming apparatus A post-processing device that forms a punch hole in the punch portion on the paper while conveying the paper after image formation along the paper conveyance path, and a control unit that controls the post-processing device and the image forming device in an integrated manner. In a copy processing system equipped with
The document reading unit is provided with a tab detection unit that detects whether or not the document has a tab. When the tab detection unit detects that the document has a tab, The image forming unit controls the image forming apparatus and the post-processing device so that the position where the image forming unit forms an image on the sheet is shifted in the sheet conveying direction, and the position where the punch unit forms the punch hole in the sheet is shifted in the sheet conveying direction. A copy processing system characterized by being a thing.   2. The copy processing system according to claim 1, wherein when the document has a tab, the document reading unit reads image data of the document including the tab.   The document reading unit has a document transport path for transporting a document, and the tab detection means is a plurality of sensors arranged in the document transport path in a direction perpendicular to the document transport direction. The copy processing system according to claim 1, wherein the copy processing system is configured.

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