JPH02198974A - Image recording device - Google Patents

Abstract

PURPOSE:To spread the practical use range of an image recording device by carrying out paper folding without carrying out image recording by installing a loading means for folding a sheet transported by a transport means, a prohibiting means for prohibiting the image recording to be executed by an image recording means according to the instruction of an instruction means. CONSTITUTION:When an original is set in a manual multiinsertion port, originals are supplied one by one through the downward separation. When the paper folding mode is selected, paper folding is instructed to a paper folding control part. Further, it is judged if an image recording releasing switch is pushed or not, and is said switch is pressed, a main motor 133 and a resistor are turned ON, and paper transport is released, and the transport by the length of the papers carried out, and the resistor is turned OFF, and at the same time, the paper size is judged from the length detected by a paper length sensor, and the size is instructed into a paper folding device 400, which sets the folding corresponding to the size. Then, the paper discharged from a image recording device 100 is folded by the paper folding device 400.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to an image recording device having a paper folding function.

[Conventional technology]

Conventionally, image recording apparatuses of this type have been proposed which have paper folding functions such as two-folding and half-folding as shown in FIG. 6 in addition to the normal sorting function.

[Problems to be Solved by the Invention] The above-mentioned functions are convenient because they can simultaneously realize image recording and paper folding.

However, this conventional example has a drawback in that paper folding cannot be realized without image recording.

[Means for solving problems]

The present invention aims to improve cost performance by making it possible to utilize only the folding means in an image recording apparatus having a folding means.

The configuration of an image recording apparatus capable of achieving the above object includes a stacking means for stacking sheets, a feeding means for separating and feeding the sheets stacked on the stacking means, and a sheet fed by the feeding means. a conveyance means for conveying the sheet, an image recording means for recording an image on the sheet conveyed by the conveyance means, a folding means for folding the sheet conveyed by the conveyance means, and a stacking of the sheets folded by the folding means. a loading means, an instruction means for instructing prohibition of image recording by the image recording means, and in response to an instruction from the instruction means,
The image recording device is characterized in that it has a prohibiting means for prohibiting image recording by the image recording device.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of the present invention. a
is the paper size detection means that detects the length and width of the paper, and b is D
Cut roller 1711 Paper feed roller 172, Separation roller 1
73 is a means for conveying the sheet to the registration roller 159, C is an input means for an image recording cancellation setting switch and a paper folding mode setting switch, and d is an input means for determining whether to record an image based on the setting of C, and an image recording cancellation setting switch. an image forming means that records an image only when is pressed down;
e is a paper conveying means, and [ is a paper folding means.

FIG. 2 shows the internal configuration of an embodiment of an image recording apparatus equipped with a sheet post-processing device. In this figure, 100 is a main unit that has an image reading function and an image recording function, and 200 is a double-sided processing function that turns over the recording medium (sheet) during double-sided recording, and a multiplexer that performs multiple recordings on the same recording medium. 4 a pedestal having a recording function; 300 a circulating document feeder (hereinafter referred to as RDF) that automatically feeds documents;
00 is a paper folding device that folds sheets at a predetermined position, and a finisher (post-processing device) that has a sorting function and a stable function, and each of these devices 200 to 500 can be freely combined with the main body 100. Can be used.

A1 main body (100) In the main body 100, 101 is a document table glass on which a document is placed, 103 is an illumination lamp (exposure lamp) that illuminates the document, and 105, 107, and 109 are scanning devices that change the optical path of light reflected from the document. reflective mirror (scanning mirror), 11
Reference numeral 1 indicates a lens having focusing and variable magnification functions, and reference numeral 113 indicates a fourth reflection mirror (scanning mirror) that changes the optical path. 1
15 is an optical system motor that drives the optical system, 117.119
, 121 are sensors, respectively.

131 is a photosensitive drum, 133 is a main motor that drives the photosensitive drum 131, 135 is a high voltage unit, 137 is a blank exposure unit, 139 is a developing device, 141 is a transfer charger, 143 is a separation charger, and 145 is a cleaning device. be.

151 is the upper cassette, 153 is the lower cassette, 155
157 is a paper feed roller, and 159 is a registration roller. Further, 161 is a conveyor belt that conveys the sheet on which an image has been recorded to the fixing side, 163 is a fixing device that fixes the conveyed sheet by thermocompression bonding, and 167 is a sensor used for double-sided recording.

The surface of the photosensitive drum 131 described above is made of a seamless photoconductor using a photoconductor and an electric conductor. The motor 133 starts rotating in the direction of the arrow in the figure. Next, when the predetermined rotational control and potential control processing (preprocessing) of the drum 131 are completed, the original placed on the original platen glass 101 is illuminated by the illumination lamp 103 that is integrated with the first scanning mirror 105. The reflected light from the original is transmitted to the first scanning mirror 105 and the second scanning mirror 105.
Scanning mirror 107, third scanning mirror 109, lens 11
11 and a fourth scanning mirror 113 to form an image on the drum 131.

The drum 131 is corona charged by a high pressure unit 135. After that, the image illuminated by the illumination lamp 103 (
The original image) is exposed to slit light, and an electrostatic latent image is formed on the drum 131 using a known NP method.

Next, the electrostatic latent image on the photosensitive drum 131 is transferred to a developing device 139.
The toner image is developed by a developing roller 140 and visualized as a toner image, and the toner image is transferred onto a sheet by a transfer charger 141 as described later.

That is, the upper cassette 151 or the lower cassette 1
The sheet in 53 is fed into the main unit by a paper feed roller 155 or 157, and is fed toward the photosensitive drum 131 by a registration roller 159 with accurate timing, so that the leading edge of the latent image and the leading edge of the sheet are aligned. Thereafter, the sheet passes between the transfer charger 141 and the drum 13, so that the toner image on the drum 131 is transferred onto the sheet.

After this transfer is completed, the sheet is separated from the drum 131 by a separation charger 143, guided to a fixing device 163 by a conveyor belt 161, fixed by pressure and heat, and then discharged from the main body 100 by a discharge roller 165. Ru.

After the transfer, the drum 131 continues to rotate, and its surface is cleaned by a cleaning device 145 composed of a cleaning roller and an elastic blade.

FIG. 6 is an enlarged view of the multi-manual feed section 170. In this example, the sheets are ejected upwards, so
The sheets stacked on the manual feed tray are separated below by a D-cut roller 171 for auxiliary feeding and a paper feed roller 172, separated one by one by a separation roller 173 that rotates in the opposite direction, and sent to registration rollers 155.

In addition, a paper length detection sensor 1 is used to detect the paper size.
74, a paper width detection slide VR175 is provided. 176
is a size guide.

B. Pedestal (200) The pedestal 200 is a deck 201 that can be separated from the main body 100 and can store 2,000 sheets.
and an intermediate tray 203 for double-sided copying.

Further, the lifter 205 of the deck 201, which can accommodate 2,000 sheets, rises according to the amount of sheets so that the sheets always come into contact with the paper feed roller 207.

Reference numeral 211 denotes a paper ejection flapper for switching the path between the double-sided recording side or multiplex recording side and the ejection side path; 213.
215 is a conveyance path of a conveyor belt, 217 is an intermediate tray dust for holding down the sheet, and the sheet that has passed through the sheet discharge flapper 211 and the conveyance path 213 and 215 is turned over and stored in the intermediate tray 203 for double-sided copying. 219 is a multiple flapper that switches the path between double-sided recording and multiplex recording,
It is disposed between the conveyance paths 213 and 215, and guides the sheet to the multiplex recording conveyance path 221 by rotating upward. 2
Reference numeral 23 denotes a multiple sheet discharge sensor that detects the end of the sheet passing through the multiple flapper 219. A paper feed roller 225 feeds the sheet to the drum 131 through a path 227.

229 is a discharge roller that discharges the sheet to the outside of the machine.

When performing double-sided recording (double-sided copying) or multiplex recording (multiple overlapping copying), first raise the paper ejection flapper 211 of the main unit 100 and move the copied sheet to the conveyance path 213 of the pedicle 200.
．． It is stored in the intermediate tray 203 via 215. At this time, the multiplex flapper 219 is lowered during double-sided recording, and the multiplex flapper 219 is raised during multiplex recording. This intermediate tray 203 can store up to 99 sheets, for example. The sheets stored in the intermediate tray 203 are pressed down by an intermediate tray weight 217.

During the next back-side recording or multiplex recording, the sheets stored in the intermediate tray 203 are moved one by one from the bottom to the path 225 and the weight 217.
27 to the registration roller 159 of the main body 1oo.

C, RDF (circulating document feeder) (300) RDF
In 300, 301 is a stacking tray on which originals are set. Document size detection sensors 302 and 303 are provided at a predetermined interval in a direction perpendicular to the paper surface of the document. The size of the document in the width direction depends on whether both sensors 302 and 303 are detecting the document, or only one sensor 3o3 (assuming that sensor 303 is located at the back of the paper) is detecting the document. This can be determined by checking whether there are any. Note that by increasing the number of sensors of this type, more accurate size can be determined. Further, the lengthwise size can be determined based on the time period during which the sensor 303 (or 302) detects the document.

In addition, in this RDF 300, the document sent from the stacking tray 301 to the exposure surface through the sheet path 304 is sent through the sheet path 305, and then returned to the stacking tray 300.
It can be loaded onto. Further, 307 is a sensor that detects one circulation of the document.

The detailed operation of the RDF 300 is described in Japanese Patent Application No. 59-206619 filed by the present applicant, but since it is not directly related to the present invention, it will be omitted here.

00 Paper Folding Device (400) The paper folding device 400 performs half-folding, in which a recorded sheet is folded at approximately the center position, and Z-folding, in which the sheet is folded into three with a roughly Z-shaped cross section at two predetermined positions. In this paper folding device 400, 401 is a flapper that guides the sheet downward during paper folding, 403 and 405 are paths (conveyance paths), and 407 and 409 are folding rollers.

In the paper folding device 400, when two-folding is specified using the Z-fold key described later, the flapper 401 is turned on and guides the recorded sheet to the lower path 403, and at the end of the path 403, the leading edge of the sheet is folded. When the sheet is stopped, the sheet portion that is folded into 1/4 passes through the roller 407 and hits the end of the path 405, and the sheet is further folded into 1/2 and passes through the rollers 407 and 409 again to the finisher 500.
be led to. Also, when half-folding is specified using the half-folding key described later, the recorded sheet will be halved at the path 403.
Then, without going to pass 405, it is ejected from roller 409 to finisher 500 as it is. on the other hand,
When the fold key is not specified and the paper is not folded, use the flapper 40.
1 is turned off, and the recorded sheet is directly ejected to the finisher 500 as it is.

E, finisher (500) In the finisher 500 for sorting or stabilizing recorded sheets, 501 is a pass switching paper ejection flapper for selectively switching between the sorting pass 503 and the stable pass 505; 507 is a stable tray that temporarily stores recorded sheets before being stabilized; 509 is a width regulating plate provided on the stable tray 507; and 511 is a plurality of plates whose widths are regulated by the width regulating plate 509. A stapler (document binding machine) for stabilizing recorded sheets, 513 is a stacker tray for storing stapled recorded sheets, and a width baffle plate 509
is driven and controlled by a stepping motor (not shown). 5
Reference numeral 15 denotes a sorting tray for sorting non-stable sheets.

Recorded sheets ejected from the main body 100 or from the pedestal 200 are transferred to the paper folding device 40 according to the designation of the key.
0, after half-folding or Z-folding, finisher 50
0 oscillating sorting is discharged to the tray 515 or to the stable tray 507, and the width of the recorded sheets discharged to the stable tray 507 is regulated by the width baffle plate 509 for each part of the specified number of sheets. and stapler-51
1 and dropped onto the stacker tray 513.

That is, in the finisher 500, when the stable mode is selected by the stable key described later, the paper ejection flapper 501 is turned on and the recorded sheet is passed through the pass 505.
When the specified number of sheets has been reached, the width baffle plate 509 and stapler 511 are turned on according to an instruction from the main body 100, and the recorded sheets are stapled with a stable. Thereafter, the stabilized sheet is dropped onto the stacker tray 513. By repeating this operation, a plurality of recorded documents that are collated and stably bound are completed. A sensor 517 detects the presence or absence of a needle on the stable, and a reflective sensor is used, for example.

Further, when stable processing is not selected, the paper ejection flapper 501 is turned off and the sorting is switched to the side, and the recorded sheets pass through the path 503 and are sorted to the tray 51.
5. At this time, according to an instruction from the main body 100, recorded sheets can be stacked in well-separated units, shifted by 30 mm to the left and right.

FIG. 3 shows an example of the arrangement of the operation panel provided on the main body 100 described above. The operation panel has a key group 600 and a display group 700 as described below.

F. Key group (600) In Fig. 3, 601 is an asterisk (*) key, which is used by the operator (user) when in a setting mode such as setting binding substitution or setting the size of original frame eraser. .

602 is an all reset key, which is pressed to return to the standard mode. A preheating key 603 is pressed to put the machine of the main body 100 into a preheating state and to cancel the preheating state. This key 603 is also pressed when returning from the auto-shutoff state to the standard mode.

604 is a copy start key (copy start key);
Press to start copying.

605 is a clear/stop key, which functions as a clear key during standby and as a stop key during copy recording. This clear key is pressed to cancel the set number of copies. It is also used to cancel * (asterisk) mode. Also, press the stop key to interrupt continuous copying.

The copying operation stops after the copying at the time when the button is pressed is completed.

Numeric keys 606 are pressed to set the number of copies. It is also used to set the * (asterisk) mode. A memory key 607 allows the user to register frequently used modes.

Copy density keys 608 and 609 are pressed when manually adjusting the copy density. 610 is the AE key,
Press this button to automatically adjust the copy density according to the density of the original, or to cancel AE (automatic density adjustment) and switch the density adjustment to manual. A cassette selection key 611 is pressed to select the upper cassette 151, the middle cassette 153, and the lower paper deck 201. Further, when a document is placed on the RDF 300, APS (automatic paper cassette selection) can be selected using this key 611.

When APS is selected, a cassette of the same size as the original is automatically selected.

Reference numeral 612 is a same size key, which is pressed to make a same size (original size) copy. Reference numeral 613 is an auto-magnification key, which is pressed to automatically reduce or enlarge the original image according to the specified sheet size. Zoom keys 614 and 615 are pressed to specify any magnification between 64 and 142%. 616 and 617 are fixed size scaling keys, which are pressed when specifying reduction or enlargement of the fixed size.

A double-sided key 618 is pressed to make a double-sided copy from a single-sided original, a double-sided copy from a double-sided original, or a single-sided copy from a double-sided original. Reference numeral 619 is a binding margin key, which can create a binding margin of a specified length on the left side of the sheet. 62
0 is a photo key, which is pressed when copying a photo original.

Reference numeral 621 is a multiple key, which is pressed when creating (combining) images from two originals on the same side of a sheet.

Reference numeral 622 denotes a document frame erase key, which the user presses when erasing the frame of a standard size document.The size of the document at that time is set using the asterisk key 601. Reference numeral 623 is a sheet frame erase key, which is pressed to erase the frame of the document according to the cassette size.

624 is a page continuous copying key, which allows you to copy the left and right pages of the manuscript.
Press to copy each sheet separately.

Reference numeral 625 is a stable key, which is pressed when the sheets after recording are bound with a stable binding. 626 is a two-fold rekey,
Press when folding a recorded sheet of A3 or B4 size into a Z-shaped cross section.

627 is a half-fold key, which is pressed to fold a recorded sheet of A3 or B4 size in half.

628 is a saw key, and sorting is done by tray (sorter) 5.
If 15 is connected, it is lit in standard mode. At this time, press this key 628 to cancel the sort mode or to enter the sort mode. Reference numeral 629 is a group key, which copies a plurality of sheets from one document, and if the tray 515 is connected, the sorting is stored in the tray 515 for each bin. 630 is an interrupt key;
Used when performing interrupt copying during a series of copying operations.

631 is a non-copy key, which is used when folding is performed without copying.

G. Display group (700) In Fig. 3, 701 is an LCD (liquid crystal) type message display, for example, 1 display with 5 x 7 dots.
It can display a 40-character message. This display 701 is a transflective liquid crystal display and uses two colors for the backlight.Normally, a green backlight is lit, and an orange backlight is lit when an abnormality occurs or when copying is not possible.

A magnification display 702 displays the copy magnification set using the zoom keys 616 and 617 in %. Reference numeral 703 is an equal-size display, which lights up when equal-size is selected. 70
4 is a color developer indicator, which lights up when a sepia developer is set. A copy number display 705 displays the number of copies or a self-diagnosis code. Reference numeral 706 is a used cassette display, which displays which of the upper cassette 151, the middle cassette 153, and the lower deck 201 is selected.

Reference numeral 707 denotes a document direction indicator, which displays the direction in which the document is set (vertical/horizontal). Reference numeral 708 denotes an AE indicator, which lights up when AE (automatic concentration adjustment) is selected using the AE main key 10. Reference numeral 709 is a preheating indicator, which lights up in the preheating state. When in the auto-shutoff state, this indicator 709 blinks. 710 is a ready/wait indicator, which is a two-color LED of green and orange.
The green light is lit when ready (copy possible), and the orange light is lit when wait (copy not possible).

Reference numeral 711 is a double-sided copy indicator, which lights up when either double-sided copying from a double-sided original or double-sided copying from a single-sided original is selected.

When using the RDF300 in standard mode, the settings are 1 copy, density AE mode, automatic paper selection, same size, and 1-sided copying from a 1-sided original. RDF300
When not in use, the standard mode is set to 1 copy, manual density mode, same size, and 1-sided copying from a 1-sided original. The difference between using and not using RDF300 is RDF
It depends on whether an original is set in 300 or not.

A non-copy indicator 712 lights up when the non-copy key 631 is turned on.

H0 control device (800) FIG. 5 shows the control device 3 of the embodiment shown in FIGS. 2, 3, and 4.
An example of the circuit configuration of 00 is shown. In FIG. 4, 301 is a central processing unit (CP) that performs arithmetic control for implementing the present invention.
U), for example, a microcomputer μC0M87AD manufactured by NEC (NEC Corporation) is used. 30
2-1 is a read-only memory (ROM) in which a control procedure (control program) as shown in FIG. 6 according to the present invention is stored in advance, and the CPU 301 is connected via a bus according to the control procedure stored in this ROM. control each configured device. 302-2 is a random access memory (RAM) which is a main storage device used for storing input data and as a working storage area.

807 is an interface (Ilo) that outputs the CPU 801 control signal to a load such as the main motor 133; 809
inputs input signals from the image tip sensor 121, etc., and outputs the CPU 80.
1, an interface 811 is an interface for controlling input/output between the key group 600 and the display group 700. These interfaces 807.809.
811 is NEC's input/output circuit board μPD825, for example.
Use 5.

Note that the display group 700 is each display device shown in FIG. 3, and uses LEDs and LCDs. The key group 600 is each key shown in FIG. 3, and the CPU 801 can determine which key has been pressed using a known key matrix.

The staple solenoid 501 is a staple drive control device.

Next, the operation of the embodiment of the present invention will be explained with reference to the flowchart of FIG. First, when originals are set in the multi-manual feeder (step 102), the originals are fed one by one by lower separation (step 102). Next, if the paper folding mode is selected, or if it is, the paper folding control unit is instructed to fold the paper (step 103).

Furthermore, it is determined whether the image recording release switch has been pressed (step 104), and if it has been pressed, the main motor 133 and the registration CL 159 are turned on to release the paper conveyance, and the paper is conveyed by the length of the paper to complete the registration CL. Turn it off,
At the same time, the size is determined from the length detected by the paper length sensor, the size is instructed to the paper folding device, and the paper folding device sets the fold according to the size. The transported paper is transferred to image recording device 1
00, is sent to the folding device 400, undergoes the above-described paper folding process, and is discharged onto a tray. If the image recording switch is not pressed, normal image recording is performed. At this time, the total counter is counted up. Then, check again if there is a document in the multi-manual feeder in step 5.
05), repeat the above-mentioned 5 steps; if not, end.

Thereby, the document can be folded by selecting the paper folding mode and the image recording cancel switch.

〔effect〕

As described above, according to the present invention, paper folding can be realized without image recording, and the range of use of the image recording apparatus can be expanded and cost performance can be improved.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the basic configuration of an embodiment of the present invention, FIG. 2 is a sectional view showing the entire internal structure of the embodiment of the present invention, and FIG. FIG. 4 is a block diagram showing the circuit configuration of the control device in the embodiment of the present invention shown in FIG. 2; FIG. 5 is a flowchart showing the operating procedure of the embodiment of the present invention; FIG. 6 is a paper Figures 7(a) and 7(b) showing the types of folding are enlarged views of the multi-manual feed section. 100... 20 main body
0・・・・・・・・・・・・Pedestal 300・・
...RDF (circulating document feeder) 400...
......Paper folding device 500...
・・・・・・・・・Finisha 501 ・・・・・・・・・
...Flapper 507...Stable tray 509...Width baffle plate (width regulation plate) 511... ... Stapler 513 ...... Stacker tray 51
5......... Sorting is done using tray 521.
・・・・・・・・・・・・Conveyance roller 523...
...... Stopper paper detection sensor key group stable key 2-fold key sort key group key interrupt key display group control device PU OM AM interface 625 ......807 , 809. 811...Z #7ff
sheep prayer

Claims (1)

[Claims] (1) a loading means for stacking sheets; a feeding means for separating and feeding the sheets stacked on the loading means; a conveying means for conveying the sheets fed by the feeding means; and a conveying means for conveying the sheets fed by the feeding means. an image recording means for recording an image on a sheet conveyed by the means; a folding means for folding the sheet conveyed by the conveying means; a stacking means for stacking the sheets folded by the folding means; An image recording apparatus comprising: instruction means for instructing prohibition of image recording; and prohibition means for prohibiting image recording by the image recording means in response to an instruction from the instruction means.