JPH0733483Y2 - Copying device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a copying machine having a facsimile function and a sorter function.

[Prior Art] In recent years, a copying machine provided with a facsimile function has been proposed, but such a copying machine has a problem in discharging recording paper after completion of copying and discharging fax receiving paper. .

That is, if the recording paper and the fax receiving paper that have been subjected to the normal copying operation are discharged to a common sorter device and an attempt is made to simplify the paper discharging mechanism, the fax is received during the normal copying operation and the fax is received. When the received paper is ejected,
It is not immediately known to which of a plurality of output trays that configure the sorter device. Further, the recording paper and the fax receiving paper which have already been copied and ejected are mixed in the paper ejection tray, which is inconvenient in determining the fax receiving paper.

〔Purpose〕

In view of the above-mentioned conventional technology, the present invention can prevent forgetting to take out the fax paper and can prevent the fax receiving paper from being confused with other recording paper in the one having the facsimile function and the sorter function. An object is to provide a copying machine.

〔Constitution〕

In order to achieve the above object, the present invention provides, in a copying machine having a facsimile function and a sorter function, a discharge tray group in which at least one of a plurality of discharge trays is set as an interrupt tray, and the interrupt tray. And a paper detecting means for discharging the fax received paper, a paper detecting means provided in the interruption tray for detecting the presence or absence of the fax receiving paper discharged to the interruption tray, and the paper detecting means for detecting the paper. It is characterized in that it is provided with a display means for displaying that fact while the user is on the road.

Hereinafter, a detailed description will be given based on an embodiment of the present invention.

FIG. 1 is a front sectional view showing the outline of a copying apparatus to which the present invention can be applied, and FIG. 2 is a front view for explaining a sorter apparatus.
FIG. 3 is a block diagram showing the control unit, and FIG. 4 is a flow chart showing the paper discharge operation.

In FIG. 1, the copying apparatus includes a document feeder 100 for feeding a document to a contact glass (described later), a scanner 200 for decomposing an image of the document positioned on the contact glass at a predetermined resolution and photoelectrically converting it, and a scanner. The image read by 200 is recorded on a recording paper of any size stored in three paper cassettes, and is configured by a copying unit 300 having a double-sided copying function,
Basically, it has the same structure as a known so-called digital copying machine.

In the document feeding device 100, the documents placed on the document table 101 are fed one by one by a feed roller 102, and are positioned at a predetermined position on the contact glass 201 by a feeding belt 103. Then, when the image of the original is read, the original is removed from the contact glass 201 by the conveyor belt 103 and is ejected to the ejection tray 104.

In the scanning device 200, the image of the document positioned on the contact glass 201 is scanned by the optical system 202 in the direction of the arrow, and the image obtained by scanning (hereinafter referred to as scanning light) is the line image sensor 20.
Imaged at 3.

The line image sensor 203 decomposes the scanning light of the scanning line of the optical system 202 into a predetermined number of pixels and photoelectrically converts the image of each pixel, whereby electrical image information is formed. The resolution of this scanner 200 is 15.4 dots / mm in the main scanning direction and 15.4 lines / mm (400
Dot / inch) is set. This resolution is 2 times in the main scanning direction and 4 times in the sub scanning direction, compared to the standard resolution of the facsimile machine (3.85 dots / mm in the main scanning direction and 7.7 lines / mm in the sub scanning direction). High resolution (7.7 dots / mm in main scanning direction and 7.7 lines / mm in sub scanning direction)
On the other hand, it is double in both the main scanning direction and the sub scanning direction.

In the copying unit 300, the laser light output from the laser writing unit 301 that scans the laser light modulated by the image information is applied to the drum-shaped photoconductor 302.
The recording resolution of the copying unit 300 is set to the same resolution as the scanning device 200.

The photoconductor 302 is rotated in the direction of the arrow, and the surface thereof is uniformly charged by the charging charger 303, and the charged surface is exposed to a laser beam to produce an electrostatic image corresponding to a recorded image (image information). A latent image is formed, and the electrostatic latent image is toner-developed by the developing device 304.

On the other hand, the recording sheets stacked in the selected one of the three paper feeding cassettes 305, 306, 307 are fed one by one from the uppermost one by the paper feeding rollers 308, 309, 310 corresponding to the paper feeding cassettes 305, 306, 307, respectively. . The recording paper delivered by the paper feed rollers 308, 309, 310 in this manner is delivered by the registration roller 311 to the photoconductor 302 at the timing when the leading edge of the toner image coincides with the leading edge of the toner image.

The recording paper sent to the photoconductor 302 is transferred to the transfer charger 312.
After the toner image is transferred to the photoconductor 302 by being closely attached thereto, the toner image is separated from the photoconductor 302 by the separation charger 313, and the toner image is fixed on the surface by the fixing device 314. Then, the recording paper which has been fixed is conveyed by the discharging roller 317 through the distributing unit 315 and the reversing unit 316, and is discharged to the outside of the machine.

The recording paper discharged to the outside of the machine is the sorter device shown in FIG.
Emitted to 400. In the figure, the sorter device 400 includes a plurality of paper ejection trays 401 (fifteen trays in this embodiment) for receiving recording paper ejected in a normal copying operation, and an interrupt tray 402 at the lowest position. The recording paper, which is conveyed by the discharge rollers 317, is sorted into a predetermined discharge tray 401 as is known through the entrance sensor 403, the roller 404, the conveying roller 405, and the switching guide plate 406. The recording paper is transferred to each discharge tray 401 by a guide plate 407, a discharge roller 408, a driven roller 409,
It is carried out by the operation of the deflecting claw 410. 411 is an output tray 401
This is a sensor that detects the home position of the.

In addition, the fax receiving paper is interrupted by the interrupt tray 402 as described later by the switching operation of the switching guide plate 406.
Is discharged to. The interrupt tray 402 is provided with an interrupt sensor 412 which is a paper detecting means. In the case of this embodiment, the paper ejecting means for ejecting paper to the interruption tray is the guide plate 40.
7, roller 404, conveyance roller 405 and switching guide plate 604
Composed by.

However, even when the paper is discharged during the normal copying operation, when it is desired to copy by interruption or in the case of manual bypass copying of the main body, the recording paper is discharged to the interruption tray 402.

In the sorter device 400, various modes can be selected,
For example, as the clear mode, the topmost output tray 401
It is possible to discharge the recording paper only to each of the discharge trays 401, to sort so as to collect the required number of copies on each discharge tray 401 as a sort mode, and to sort the sheets to each discharge tray 401 as a stack mode.

The distribution unit 315 sorts the recording paper on which the image is recorded into either the reversal unit 316, the discharge roller 317, or the conveyance unit 321, and the conveyance unit 321 records the image on the first side during double-sided copying. The recording sheet is conveyed again to the registration roller 311.

The residual toner on the surface of the photoconductor 302 is removed by the cleaning unit 322, and the residual charge is removed by the static elimination lamp 323.

FIG. 3 shows an example of the control system of this copying machine. In the figure, the output image signal of the line image sensor 203 is A
It is amplified to a predetermined amplitude by a GC (variable gain control) amplifier 11, converted into a digital signal of a predetermined bit number by an analog / digital converter 12, and applied to the image processing unit 13.

The image processing unit 13 is a shading correction process for correcting variations in the level of the image signal caused by variations in the characteristics of the optical system 202 of the scanner 200 and the light receiving characteristics of each bit of the line image sensor 203, and the image correction by the scanner 200. Corrects the difference between the reading characteristics and human visual characteristics, and converts the scanned image of the Scanjana 200 into a visually optimal image.
Correction processing, MTF correction processing to eliminate image blurring, background removal processing to properly extract images of documents with dark background colors such as newspapers or documents with dirty background, pseudo-gradation of images The present invention realizes a halftone process for conversion, a character / halftone separation process for separating a character part to be binarized and an image to be halftone processed, and various other image processes.

The image information processed by the image processing unit 13 is
14, the image is compressed by the most efficient method,
The image data corresponding to the compressed image information is stored in the image memory 15. The image memory 15 has a storage capacity capable of storing several tens (for example, about 20 to 60 sheets) of image information of a standard original document in a compressed state. The read operation is controlled.

The image data read from the image memory 15 is restored to the original image signal by the image processing unit 14, and the restored image signal is added to the laser diode driver 17, whereby the laser diode From 18, a laser beam modulated by an image signal (image information) is generated. The laser diode 18 is used in the laser writing section 3 of the copying section 300.
It is provided in 01. The image processing unit 14 also executes a density conversion process for converting the cotton density of the image and a scaling process for reducing / enlarging the image. The operation display unit 19 includes operation keys necessary for operating this apparatus as a copying machine or as a facsimile machine, and a display for displaying an operating state of the facsimile machine, an operation procedure, and the like. As the operation keys, for example, a start key for starting a facsimile transmission operation, a copy key for starting a copying operation,
Stop key for stopping the copying operation, numeric keypad for inputting numerical data such as the number of copies and telephone number, speed key for inputting telephone number, mode key for setting various operation modes of facsimile machine, And a guidance key or the like for selecting a selection item displayed on the display. Further, a liquid crystal display device or the like having a large degree of freedom of display is used as the display device, and the message information of the operating procedure, the numerical value input by the ten keys, the actual number of copies, etc. are displayed. The DF control unit 20 controls the document feeder 100,
The scan controller 21 controls the scan 200, and the copy controller 2
Reference numeral 2 controls the operation of each unit of the copying unit 300. Therefore, these DF controller 20, scan controller 21, copy controller
The operation timing, operation mode, etc. of the image processing unit 13, the memory control unit 15, and the laser diode driver 17 are controlled by the system control unit 23. The memory control unit 15 and the copy control unit 22 exchange information for synchronizing the operation of the laser writing unit 301. The facsimile control unit 24 executes a transmission control procedure for facsimile transmission and controls the image compression / expansion unit 26, the modem 27 and the network control device 28 to transmit / receive image information. The facsimile control unit 24 exchanges control information with the system control unit 23 and the memory control unit 16.

The image compression / expansion unit 26 is for compressing an image to be transmitted by a code compression method at the time of facsimile transmission, and for expanding the received image into an original image signal. Can be executed.

The modem 27 modulates digital data into a waveform that can be transmitted via an analog line, and demodulates a received signal into original digital data, and can perform modulation / demodulation processing of a plurality of modulation methods. For example, it is composed of units for respectively performing the modulation / demodulation processing in each of the G1, G2, and G3 facsimile modes.

The network control device 28 is for connecting this facsimile device to a transmission circuit (in this case, a public telephone line network), and has an automatic transmission / reception function. The operation display unit 19
The input data from is notified to the facsimile control unit 24 via the system control unit 23, the display data from the facsimile control unit 24 to the operation unit display unit 19 is output to the operation display unit 19 via the system control unit 23, In addition, control unit 24
Control information from the image processing units 13 and 14 to the system control unit 23.
Is output via.

Further, the system control unit 23 controls the sorter device 400 via the sorter control unit 29. The detection signals of the inlet sensor 403, the sensor 411, and the interrupt sensor 412 are input to the sorter control unit 29, and the motor 30, the actuating solenoid 31 of each discharge tray 401, the actuating solenoid 32 of the switching guide plate 406, etc. are actuated. Giving a signal.

Next, the discharge operation of the above embodiment will be described with reference to the flow chart shown in FIG.

That is, the fax is received (4-1), and at this time,
If the normal copying operation is in progress (4-2), the copying operation is interrupted, and the copied recording paper is discharged to a predetermined discharge tray 401 (4-3). Various data such as the number of printed sheets, the size of recording paper, and the scaling factor are stored in the memory control unit 16 (4-4). After that, the normal copy mode is switched to the fax mode, and the operation display section 19
The inside fax reception display section is turned on (4-5).

When switching to the fax mode, the operating solenoid
32 operates, the switching guide plate 406 faces the interruption tray 402 (4-6), the fax reception paper is ejected to the interruption tray 402 (4-7), and at the same time, the interruption sensor 412 is turned on (4-8). When fax reception ends here (4-
9), the operation display unit 1 is turned on by the ON signal of the interrupt sensor 412.
The message "Fax reception paper is in the interrupt tray" is displayed on 9 (4-10). When the fax reception sheet is taken from the interruption tray 402, the interruption sensor 412 is turned off (4-11), the display concerning the fax reception sheet on the operation display unit 19 disappears (4-12), and the normal copying from the fax mode is performed. Switch to mode (4-13). The remaining copying operation will be started again.

〔effect〕

As described above, according to the present invention, the discharge of the recording paper during the normal copying operation and the discharge of the fax reception paper during the fax reception can be received by the same sorter device, and at that time, the paper is discharged to the interrupt tray. It is possible to prevent users from forgetting to remove the received fax paper, and when ejecting recording paper other than fax reception paper to the interrupt tray, the operator can know whether there is fax reception paper in the interrupt tray, so the operator can receive fax reception. It is possible to prevent the paper from being confused with other recording paper.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, FIG. 1 is a front sectional view showing an outline of a copying machine to which the present invention can be applied, FIG. 2 is a front view for explaining a sorter device, and FIG. FIG. 4 is a block diagram showing the parts, and FIG. 4 is a flow chart showing the paper discharge operation. 24 …… Facsimile control unit, 29 …… Sorter control unit, 401
...... Paper ejection tray, 402 …… Interrupt tray, 404 …… Roller, 405 …… Conveying roller, 406 …… Switching guide plate, 40
7 ... Guide plate, 412 ... Interrupt sensor.

Claims (1)

[Scope of utility model registration request] 1. A copying apparatus having a facsimile function and a sorter function, wherein at least one of a plurality of output trays is provided.
Output tray group in which one is set as an interrupt tray, a sheet discharging unit that discharges fax reception paper to the interrupt tray, and the presence or absence of fax reception paper that is provided in the interrupt tray and is discharged to the interrupt tray A copying machine, comprising: a sheet detecting unit for performing a sheet detection operation; and a display unit for displaying the fact while the sheet detecting unit detects the sheet.