JPH05310361A - Duplicator - Google Patents

Abstract

PURPOSE:To stack a plurality of copies of a plurality of documents per sort unit on a single paper discharge tray by providing a control means which sorts and discharges transfer papers, sorted classified by a sort unit of the number of documents, on a single paper discharge tray through repetition of stacking of the transfer papers in the order of copying documents a plurality of times. CONSTITUTION:After an image read from a scanner 6 is stored in a memory 7 once, an image output is effected according to a necessary command by a photo writing unit on which operation of an LD writing control part 5 is applied. In this case, commands, such as the number of copying parts, image concentration, the coefficient of a variable power, and turn-over of right and left, is controlled by a CPU 4. This constitution performs repetition of an output many times like reading of a document. Further, after photo writing is effected throughout a range of from the first page to the final page of a document by using an image called from the memory 7, insertion of other partition paper than a document at each sort is practicable by effecting photo writing of a regular pattern by means of a different ROM.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying machine including a so-called printer for executing an electrophotographic process, and more particularly to a copying machine characterized by sort discharge control of transfer sheets onto a discharge tray.

[0002]

2. Description of the Related Art Providing a paper feed tray and a paper discharge tray so as to project from both sides of a main body of the apparatus requires a large installation area on the side, so that the installation area of a copying machine can be saved. It was a big obstacle.

In order to solve this problem, a mechanism for eliminating side protrusions by accommodating a paper feed tray and a paper discharge tray in the lower part of the main body of the apparatus is disclosed in, for example, JP-A-63-63.
It is disclosed in Japanese Patent No. 31040.

With this mechanism, it is possible to reduce the size of the copying machine to a large extent by eliminating the protrusion to the side surface of the copying machine body.

[0005]

However, in the above-mentioned conventional apparatus, it is not possible to provide a sorter which requires a large capacity although it can be provided with a simple discharge tray, even from the space. Further, as a result, in these copying machines, it has been impossible to copy a plurality of sheets of a document for each of a plurality of copies and sort and discharge the documents in parts.

The present invention has been made on the basis of such a background, and has a sorting function even though it is a copying machine in which the side of the copying machine body does not have the paper feed tray or the paper discharge tray and the overhang of the sorter. The purpose is to provide a copying machine.

[0007]

SUMMARY OF THE INVENTION The above-mentioned object is provided with a control means for discharging transfer sheets sorted by a sorting unit of the number of originals by repeatedly stacking them in order of copy originals and discharging them onto one discharge tray. It is achieved by the first means.

Further, the above-mentioned object is the second means, in the first means, the control means carries out a control for sandwiching the transfer sheets on which the originals have not been copied for each sort unit, sorting and stacking a plurality of copies, and discharging. Achieved by means.

Further, the above-mentioned object is provided by the third means in the first means, which controls the output of coloring or pattern on the transfer paper for each sort unit and the sorting paper is discharged by the transfer paper. To be achieved.

Further, the above-mentioned object is achieved by a fourth means in the first means, in which the control means carries out control of sandwiching colored paper for each sort unit, sorting and stacking a plurality of copies and discharging.

Further, the above-mentioned object is, in the first means, the control means sandwiches a strip of colored paper smaller than the transfer paper size in each sorting unit and divides the strip by the strip of colored paper. This is achieved by the fifth means for performing control.

In the first means, the control means temporarily stores document images in a memory, electronically sorts the stored memory data, and sequentially sorts the copied documents on the one discharge tray. This is achieved by the sixth means of discharging a plurality of copies while sorting sheets are sorted for each sort unit.

[0013]

In the first means, a sorter that occupies a large space is not used, and a copying machine having a minimum installation area is used, but a plurality of copies of a plurality of originals are piled up for each sort unit on one discharge tray. Is done.

In the second means, in addition to the operation of the first means, it is easy to separate the copies one by one only by finding a completely blank sheet that has not been copied. Therefore, the partition can be easily discriminated using the transfer paper for copying without providing an extra paper feed tray.

In the third means, in addition to the operation of the first means, the borders of each copy can be immediately discriminated by distinguishing colors and patterns other than the original.

In the fourth means, in addition to the operation of the first means, by distinguishing the colored paper, it is possible to easily distinguish each copy from the end face of the transfer paper.

In the fifth means, in addition to the function of the first means, the partition paper for sorting and sorting is pulled out from the paper feed tray containing elongated colored paper, and the sorting and sorting is effectively performed on the discharge tray at a low cost. Is done.

In the sixth means, in addition to the operation of the first means, a plurality of copies of a plurality of originals can be easily sorted and discharged onto one tray by only slightly increasing the storage capacity of the digital copying machine. As a result, it is possible to provide a copying machine having a sorter function without increasing the mechanical size. Further, since the cost is reduced and the number of movable parts is reduced, the life of the sorter and the machine can be extended.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 and FIG. 2 are overall configuration diagrams of a copying machine according to the embodiment. FIG. 1 shows a state in which the paper discharge passage is switched to the second paper discharge tray side, and FIG. The passage is first
The state is shown in which the sheet is switched to the discharge tray side.

Around the photosensitive drum 101 provided inside the copying machine main body 1, a charging charger 102, an optical writing system (exposure system) 103, and a developing device 10 are arranged in the order of the electrophotographic process.
4, transfer charger 105, cleaning unit 10
6 are arranged. 107 is a registration roller, 108
Is a fixing roller, and 109 is a conveying roller provided on the downstream side of the fixing roller 108.

Further, 110 of the copying machine main body 1 is a CCD for photoelectrically converting an optical image of an original, and 111 is an optical writing unit electrically connected to the CCD 110. Further, a rotatable switching guide 112 is provided on the downstream side of the transport roller 109, and the first paper discharge path 1 toward the first paper discharge tray 201 is provided.
13 and a second sheet discharge passage 1 toward a second sheet discharge tray described later
The passage is switched between 14 and. Reference numeral 115 is a conveyance roller of the second paper discharge path 114.

Reference numeral 2 denotes a box-shaped support base, in which the first paper discharge tray 201 and the first to sixth paper feed trays 202 to 207 are arranged in order from the top to the bottom, and the conveyance roller 109 to the paper discharge roller 208 are provided. The transfer paper that has been conveyed to is discharged to the first discharge tray 201 by the discharge rollers 208.

Each of the paper feed trays 202 to 207 is provided with a paper feed roller 209, and the transfer paper sent out by the paper feed rollers 209 is transferred to a paper pressing roller 210 and a paper feed guide 211 provided in each paper feed stage. Therefore, the conveyance roller 213 is guided by the vertical conveyance belt 212 and is attracted to the belt 212.
After that, the registration roller 107 is reached.

The copying machine main body 1 is placed on a support base 2, and an automatic document feeder 3 is attached to the upper surface of the copying machine main body 1.

The automatic document feeder 3 is a known device including a document feed tray 301, a document discharge tray 302, a document transport belt 303 for transporting a document onto a contact glass, and the like. Is the second discharge passage 11
4 is extended and above the document feed tray 301, the second document discharge tray 30 is integrated with the automatic document feeder 3.
4 is provided. A paper discharge roller 305 is provided on the front side of the second paper discharge tray 304.

In the state of the switching guide 112 of FIG. 1, the image-formed transfer sheet passes through the second sheet discharge passage 114 and is discharged to the second sheet discharge tray 304 by the sheet discharge rollers 305.

Further, in the state of the switching guide 112 in FIG.
The transfer paper passes through the first paper discharge passage 113 and is discharged by the paper discharge roller 208.
Thus, the paper is discharged to the first paper discharge tray 201.

When copying with this copying machine, for example,
It is possible to automatically discharge the required number of sheets onto the first sheet discharge tray 201 after discharging only the sheet onto the second sheet discharge tray 304. Further, after the required number of sheets have been discharged to the second sheet discharge tray 304, it is possible to temporarily stop and hold the sheet discharge to the first sheet discharge tray 201 until the next start operation is performed.

Further, the first to sixth paper feed trays 202 to 20
Some of the paper feed trays 7 are loaded with not only normal transfer paper, but also elongated strip-shaped colored paper of the same size as the transfer paper.

FIG. 3 is a control block diagram, centering on the CPU 4, the LD writing controller 5, the scanner 6, and the memory 7.
Is provided.

The image read from the scanner 6 is temporarily stored in the memory 7, and then the image output according to the necessary command is performed by the optical writing unit 111 which is acted by the LD writing control section 5. The command at that time is controlled by the CPU such as the number of copies, the image density, the scaling factor, and the horizontal inversion. In this embodiment, all the original data are stored and the image signal once stored in the memory 7 is stored. The optical writing unit 111 is called up whenever necessary, and optical writing is performed on the photosensitive drum 101 by the optical writing unit 111.

As a result, it becomes possible to repeatedly output the originals in the order of reading, and to repeatedly output a plurality of times.
You can output any number of copies without a normal sorter.
After optically writing from the first page to the last page of the original by the calling image from the memory 7, the optical writing by the memory 7 is not performed, but the fixed pattern is optically written by another ROM.

As a result, it becomes possible to sandwich a paper other than the manuscript with different patterns and colors for each sort. In addition, a paper feed tray 20 arranged in the support base 2 as needed.
From 2 to 207, a transfer sheet or a color sheet for copying a document is fed to the transfer section.

With this configuration, the second paper discharge tray 3
In 04, it is possible to stack many copies that have been sorted in the order of copying the originals, and also to insert transfer papers other than the originals that serve as a sorting mark for each sort unit.

[0036]

According to the first aspect of the present invention, a sorter occupying a large space is not used, and a copying machine having a minimum installation area can be used to copy a plurality of copies of a plurality of originals on one discharge tray. It is possible to stack for each sort unit.

According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the division of each copy can be made clear by simply finding a completely blank sheet that has not been copied, and it is easy to divide. Become. Therefore, there is an effect that the partition can be easily discriminated by the transfer sheet for copying without providing an extra sheet feeding tray.

According to the invention described in claim 3, in addition to the effect of the invention described in claim 1, there is an effect that the boundary of each copy can be immediately discriminated by distinguishing the color and the pattern other than the original. ..

According to the invention described in claim 4, in addition to the effect of the invention described in claim 1, there is an effect that by distinguishing the colored paper, it is possible to easily distinguish each copy even from the end face of the transfer paper.

According to the invention described in claim 5, in addition to the effect of the invention described in claim 1, the partition sheet for sorting and sorting is pulled out from the paper feed tray containing the elongated colored paper to reduce the cost on the paper discharge tray. There is an effect that sorting can be effectively performed.

According to the invention of claim 6, in addition to the effect of the invention of claim 1, it is possible to easily sort and eject a plurality of copies of a plurality of originals on one tray by only slightly increasing the storage capacity of the digital copying machine. Paper can be produced, which makes it possible to provide a copier with a sorter function without increasing the mechanical size.
Further, since the cost is reduced and the number of movable parts is reduced, there is an effect that the life of the sorter and the machine can be extended.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a copying machine according to an embodiment of the present invention.

FIG. 2 is an overall configuration diagram of a copying machine according to an embodiment of the present invention.

FIG. 3 is a control block diagram of the copying machine according to the embodiment of the present invention.

[Explanation of symbols]

 4 CPU 5 LD write control unit 6 synana 7 memory 201 first discharge tray 202 to 207 first to sixth paper feed tray 304 second discharge tray

Claims (6)

[Claims] 1. A copying machine comprising control means for repeatedly stacking a plurality of transfer sheets sorted by a sort unit of the number of originals in the order of copy originals and sorting and discharging them onto one discharge tray. .. 2. The copy according to claim 1, wherein the control means performs control to sandwich a transfer sheet on which a document is not copied for each sort unit, sort the stacked sheets, and stack and discharge a plurality of copies. Machine. 3. The control unit according to claim 1, wherein the control unit outputs coloring or a pattern on the transfer paper for each sort unit.
A copying machine characterized in that the transfer paper is controlled so as to be discharged in sorted units. 4. The copying machine according to claim 1, wherein the control means performs control of sandwiching colored paper for each sort unit, sorting and stacking a plurality of copies and discharging. 5. The control according to claim 1, wherein the control means inserts a strip of colored paper that is thinner than the transfer paper size into each sorting unit, and partitions the strip of colored paper for each sorting unit. A copying machine characterized by performing. 6. The control unit according to claim 1, wherein the control unit temporarily stores the document images in a memory, electronically sorts the stored memory data, and sets a plurality of copies in the copy document order on the one discharge tray. A copying machine characterized in that it controls the discharge of sheets while sandwiching a partition sheet for sorting in each sort unit.