JPH08101542A - Copying device - Google Patents

Abstract

PURPOSE: To prevent the futile use of expensive special and plain paper sheets by a trial copy. CONSTITUTION: When a trial copy start, key is depressed and the selected tray is a special paper tray (paper binding, slip sheet and OHP trays), a tray having the same size as the paper size of the selected special paper tray and the same direction is retrieved to change to a plain paper tray as a paper feeding tray and feed a paper sheet. When the tray having the same size as the paper size of the selected special paper tray and the same direction is absent or the same special paper tray, even if the tray having the same size and direction is present, a copying operation is interrupted and a warning message is displayed. Moreover, when the selected tray is not the tray for the paper reused, it is selected to feed the paper reused.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying machine having a trial copy function for visually confirming the copying condition of an image prior to normal copying.

[0002]

2. Description of the Related Art The test copy function is a function of making only one copy in order to visually confirm the creation state of an image on a recording sheet before making a plurality of copies. That is, even if a plurality of copies are set, the copying condition of the image is visually confirmed by not performing continuous copying immediately and copying only one sheet as a test and discharging it to a predetermined tray. If it is OK, continuous copying can be performed to make a copy without failure.

In recent years, copying machines have become more multifunctional,
For example, a stapling device that staples a bundle of sheets onto which an original image has been copied and a punching device that punches holes are known. Therefore, if the continuous copy is suddenly performed and stapled or holes are not punched, one copy sheet is stapled or punched in the test copy mode to check whether the image position and the staple position are OK. You can check whether or not.

A conventional method is proposed, for example, in Japanese Patent Application Laid-Open No. 58-1162 (Japanese Patent Publication No. 2-2143), Japanese Utility Model Laid-Open No. 63-11641, and Japanese Patent Application Laid-Open No. 63-253969.

In the above, the printer has the print key and the trial copy key, and at the time of trial copying, one copy is made and continuous copying is started after a lapse of a predetermined time. If the number of copy sets is "1", the trial copy is not performed.
When a plurality of originals are fed by the ADF (Automatic Original Feeder), the trial copy is performed only for the first original.
In the above, the method of interrupting at the first copy and continuing with the continue key is proposed. Further, in the above, a method has been proposed in which one copy is made by pressing only the print key, and continuous copying is made by pressing both the print key and the multi-copy confirmation key.

[0006]

By the way, in recent years, as copy paper, in addition to plain paper, expensive special paper such as OHP sheet, thick paper for cover, colored paper, etc. is often set in the tray. Therefore, when the user selects this tray for trial use, there is a problem that expensive special paper is wasted, and even if plain paper is selected, it is useless. When trying the image position and the stapling position, there are many failures, and the paper is wasted each time.

In view of the above conventional problems, it is an object of the present invention to provide a copying apparatus capable of preventing expensive special paper and plain paper from being wasted by trial copying.

[0008]

In order to achieve the above object, the first means is a plain paper tray on which plain paper is set, a special paper tray on which special paper is set, and the plain paper tray or the special paper tray. When the special paper tray is selected by the selecting means for selecting the paper tray and the trial copy mode, the plain paper tray having the same size and the same direction as the selected special paper is selected and fed. And a control means.

The second means further comprises a tray in which the recycled paper or the reused paper is set in the first means, and the control means is irrespective of the tray selected by the selecting means in the trial copy mode. It is characterized in that recycled paper or recycled paper having the same size and the same direction as the selected paper is fed.

A third means is characterized in that, in the first or second means, the control means prohibits the trial copy when there is no paper of the same size and the same direction as the selected paper.

[0011]

In the first means, when the special paper tray is selected by the selection means in the trial copy mode, the plain paper tray having the same size and the same direction as the special paper selected by the control means is selected. Since the paper is fed, it is possible to prevent the expensive special paper from being wasted by the trial copy.

In the second means, regardless of the tray selected by the selection means in the trial copy mode, recycled paper or reusable paper having the same size and direction as the paper selected by the control means is selected and fed. Therefore, it is possible to prevent the expensive special paper and plain paper from being wasted by the trial copy.

In the third means, when there is no paper of the same size and the same direction as the paper selected by the selection means in the trial copy mode, the control means prohibits the trial copy. It is possible to prevent waste of paper or plain paper.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a block diagram showing an embodiment of a copying machine according to the present invention, FIG. 2 is a block diagram showing the stapling apparatus of FIG. 1, and FIG. 3 is a block diagram showing an operation section provided in the copying machine main body of FIG. 4, FIG. 4 is a block diagram showing the touch panel key detection circuit of FIG. 3, FIG. 5 is an explanatory diagram showing the detection logic of the touch panel detection circuit of FIG. 4, and FIG. 6 is a block diagram showing the control circuit of the operation unit.
7 is an explanatory view showing a function selection screen of the display section, FIG. 8 is an explanatory view showing a special paper tray setting screen, FIG. 9 is a configuration view showing a paper detection mechanism, and FIG. 10 is a paper feed tray selection at the time of trial copy. FIG. 11 is a flowchart for explaining the operation, FIG. 11 is a flowchart for explaining a modified example of FIG.
2 is a flowchart for explaining the stapling execution processing, FIG. 13 is a flowchart for explaining the stapling tray paper count processing, FIG. 14 is a flowchart for explaining the staple command output processing, and FIG.
16 is a block diagram showing a sorter with stapling function, FIG. 16 is a flowchart for explaining a sheet discharge destination changing process at the time of trial copy, FIG. 17 is a flowchart for explaining a bin count process at the time of trial copy, and FIG. 18 is a trial. FIG. 19 is a flow chart for explaining a copy enable / disable display process at the time of copying, FIG. 19 is a block diagram schematically showing the copying machine shown in FIG. 1, and FIG. 20 is a flow chart for explaining an outline operation of the CPU of FIG. 21 is a flow chart for explaining the key input processing of FIG. 20 in detail, and FIG.
23 is a flow chart for explaining the trial copy mode selection process of 0 in detail, FIG. 23 is a flow chart for explaining the trial copy process of FIG. 20 in detail, and FIG. 24 is a flow chart for explaining the trial double-sided copy process of FIG. 25 is a flow chart for explaining the adjustment mode display process of FIG. 23 in detail, FIG. 26 is a flow chart for explaining the document discharge process of FIG. 23 in detail, and FIG. 27 is a flow chart for explaining the ordinary copy process of FIG. FIG. 28 is a flowchart for explaining the single-sided copying process of FIG. 27 in detail, and FIG. 29 is a flowchart for explaining the double-sided copying process of FIG. 27 in detail.

The copying machine shown in FIG. 1 is roughly composed of a copying machine main body A, an automatic document feeder (ADF) B and a stapling device C. Here, as a method for feeding a plurality of originals, there are a method in which the original document feeding position and the original document discharging position are different (ADF) and a method in which the original document feeding position and the original document discharging position are the same (RDF). Although the original document feeder B is of the former type, the latter type may be used in some cases. Further, instead of the stapling device C, a sorter (S / S) with a stapling function as shown in FIG. 15 may be used.

In FIG. 1, the original placed on the original placing table 1 of the automatic original feeding device B is fed by the original feeding roller 2 and conveyed onto the contact glass 101.
When one side of a document is read, the document is discharged onto the surface of the automatic document feeder B after reading, and when both sides are read, the document is read by reversing the document and then discharged.

The original on the contact glass 101 is illuminated by the fluorescent lamp 102, and the reflected light thereof is reflected by the first mirror 10.
3, the photosensitive member 107 is exposed through the second mirror 104, the through lens 105, and the third mirror 106. Photoconductor 1
In 07, the electric charge is applied in advance by the charger 108,
The exposure forms an electrostatic latent image of the original. This photoconductor 1
In the case of 07, the eraser 109 removes electric charges from unnecessary areas, and the electrostatic latent image is developed with toner by the developing device 110. This toner image is transferred onto the transfer paper by the transfer charger 111, and then the photoconductor 107 is removed by the charge removing charger 12.
5, the residual toner on the photoconductor 107 is removed by the cleaning device 126 to prepare for the next copy.

The transfer papers are the paper feed trays 112, 113, 11
4, the double-sided tray 124, and one of a large-capacity sheet feeding device (LCT) (not shown) which is optionally attached externally, is selectively fed, is conveyed through the conveying path 115, and is registered by the registration rollers 116. The toner image is conveyed so as to match the toner image on the photoconductor 107, and the toner image is transferred by the transfer charger 111. Next, this transfer paper is separated from the photoconductor 107 by the separation charger 120, and is conveyed to the fixing device 118 by the conveying belt 117 to fix the toner.

When copying on the front side in the double-sided mode of copying on both sides of the transfer paper, the double-sided switching claw 121 is switched to the double-sided tray 124 side, and the fixing device 118 is used.
The transfer paper having passed through is temporarily stored on the double-sided tray 124 by the double-sided switching claw 121 via the double-sided entrance path 123, and is again conveyed to the transfer charger 111. When copying on the back side in single-sided mode and double-sided mode,
The double-sided switching claw 121 has been switched to the paper discharge side, and when copying on the back side, it is sent to the reversing unit 122, is reversed, and is then discharged to the stapling apparatus C.

In the stapling apparatus C, as shown in FIG.
The sheet discharged from the copying machine main body A is the sheet receiving port 14
1 is taken in through the inside of the conveyance path 14 by the staple switching claw 142 depending on whether the staple mode is set or not.
3 or 144. When the staple mode is not set, the sheet is immediately discharged onto the staple discharge tray 151 via the discharge path 143.

On the other hand, in the staple mode, the sheet is conveyed to the staple conveying path 144, and then is fed onto the staple tray 146 by the aligning brush 145 so that the leading edge of the sheet faces upward. Staple tray 1
The sheet bundle on 46 is aligned in the horizontal direction by the jogger 147 and in the vertical direction by the aligning brush 145, and then stapled by the staple unit 148. The stapled sheet bundle is locked by the lift hook 150 attached to the lift belt 149, and the staple discharge tray 15 is moved by the movement of the lift belt 149.
1 discharged on top.

Next, the operation unit 200 will be described in detail with reference to FIG. The mode clear key 201 is for returning various modes to the standard mode.
By the operation of 01, the repeat number is "1", the density is "automatic density", the paper feed is "automatic paper feed selection", and the scaling factor is "normal size".
The other functions such as double-sided are canceled. The operation unit 200 also has an interrupt key 202 for performing an interrupt copy, a program key 203 for selectively registering and calling a mode frequently used by the user, and a call screen for displaying basic operations and function explanations. A guidance key 204 and a print key (start key) 205 for starting the copying operation. The print key 205 has an LED for ready / weight display, and the green LED lights up when ready and the red LED lights up when waiting.

The clear / stop key 206 has the function of a clear key during standby and the function of a stop key during copying. The clear key is pressed to cancel the set number of copies, the stop key is pressed to interrupt the copying operation, and the machine is stopped when the copying operation is finished at that point. The ten-key pad 207 is used to set the number of copies and to input numerical values such as zoom magnification and binding margin.

The display unit 208 is a CRT display (LC
It may be D) and displays various functions, statuses, and messages. Touch keys are arranged on the surface of the display 208 and are used as soft keys for selecting various modes. Selected mode keys are displayed in white characters on a black background, and unselected mode keys are displayed in black characters on a white background.

Referring to FIGS. 4 and 5, the touch panel 21
The detection circuit of 0 will be described. The controller 212 sets the detection terminals to the high state, and the terminals X1 and X of the touch panel 210.
2, Y1 and Y2 are set as shown in FIG. The terminals Y1 and Y2 of the touch panel 210 are pulled up by a resistor R, and when the touch panel 210 is off, Y1 is +5.
It becomes V, and when it is on, it becomes 0V.

The controller 212 detects this voltage via the A / D converter 211, and switches to the measurement mode when detecting the ON state. In the X direction, X1 becomes + 5V, X2 becomes 0V, the potential at the input position is Y1, and the A / D converter 21
The X coordinate is captured by the controller 212 via 1. The coordinates in the Y direction are similarly detected by switching the circuit, and therefore the touch panel 21
The XY coordinates of the pressed position of 0 are detected.

Next, the operation control section will be described with reference to FIG. The main controller 280 controls the entire copying machine, and particularly controls a trial copy function, which will be described later. The CPU 284 of the operation control unit exchanges commands with the main control unit 280 via the optical transceiver 285 through serial communication, and upon receiving the command from the main control unit 280, determines the content to be displayed on the CRT 283, and CG
A code for selectively reading a large number of bit patterns stored in advance in the ROM 285 is expanded in the VRAM 281, and the read bit pattern is read by the CRT controller 2
It is displayed on the screen of the CRT 283 via 82.

The bit pattern development area in the VRAM 281 is divided into several areas, and the bit pattern of a screen different from the currently displayed screen can be developed, and the screen can be displayed by changing the address of the VRAM 281. It can be rewritten in an instant. The CRT controller 282 exchanges addresses and data among the CPU 284, the CGROM 285, the touch panel 216, the keyboard 287 driven by the LED driver 286, the address decoder 288, the address latch 289, and the like.
The CPU 284 has an address latch 289, a ROM 290,
Addresses and data are exchanged between the address decoder 288 and the like via the nonvolatile RAM 291 and the system reset unit 292.

FIG. 7 shows a display example of the display unit 208. A message regarding the machine is displayed in the message area 240, for example, a message such as “copy is possible” or “copying” is displayed. Area 241
Displays the number of copy sets. The trial copy start key 242 is a key for visually confirming the copying condition of the image prior to normal copying, and is not displayed in the trial copy prohibited state and key input is invalid.

The density adjustment key 243 manually sets the copy density to 1
Used when adjusting in 0 steps, automatic density key 244
Is used when the copy density is automatically adjusted according to the background density of the original. Area 245 has a tray selection key,
The paper size, remaining amount, and paper type are displayed.
Is composed of a plurality of tray selection keys and display areas corresponding to the paper feed stages 112, 113 and 114 shown in FIG. The automatic paper selection key 246 is used when a paper of the same size as the original is automatically selected.

The paper designation scaling key 247a is used for automatically reducing or enlarging the original image according to the designated paper size, and the same size key 247b is used for copying at the same size. A magnification is displayed in the area 248. The fixed-size variable key 249 is used to specify the reduction or enlargement of the fixed size, and the zoom keys 250 and 251 are used to specify the magnification in 1% increments. The size scaling key 252 is used when reducing or enlarging the size to a specified size, and the area 253 displays the size of the original document and the size of the copy sheet by the ten key input at the time of size scaling.

The single-sided / double-sided key 254 is used when copying a single-sided original on both sides of a sheet.
The numeral 5 is used when copying a double-sided original on both sides of the paper, and the double-sided / single-sided key 256 is used when copying a double-sided original on one side of the paper. The surface binding margin size is displayed in the area 257, and 21 m by the surface binding margin key 258.
A binding margin of m or less can be set on either the left or right side. Further, the back surface binding margin size is displayed in the area 255 and can be set in the same manner as the front surface by the back surface binding margin key 260.

The erase key outside the edit mode 261 is used when erasing the outside of the designated area of the original to make a copy, and the erase key inside the edit mode 262 is used when erasing the inside of the designated area of the original to make a copy. . Center erase key 2
Reference numeral 63 is used when copying is performed by erasing the central area of the original. In the area 264, the size of the erased area is displayed by inputting ten keys.

The front cover key 265 is used to copy the first sheet of the original document onto the cover sheet, and both cover keys 266 are used to copy the first sheet and the last page of the original sheet to the cover sheet. The tab key 267 is used to copy a designated page of a document onto tab-specific paper.
Reference numeral 8 is used when inserting a blank interleaving paper between copy sheets.

The sort key 269 is used when selecting the sort function when a sorter with a staple function described later is attached, and the double sort key 270 is used when sorting a large number of documents. Stack key 2
Reference numeral 71 is used when selecting the stack function. The staple keys 272 to 255 are used to select the staple function and to select the staple position such as the upper left, the left end, and the lower end of the copy paper. When the stapling function is selected, the sorting function is also automatically selected together to simplify the operation. The stapling function includes an automatic stapling function and a manual stapling function. Automatic stapling is performed in the automatic stapling mode, and stapling is performed by operating the stapling keys 272 to 255 in the manual stapling mode.

In the special paper tray setting screen shown in FIG.
Colored or thick paper (keys 300 to 306) as the cover paper
In addition, special paper such as interleaving paper (keys 307 to 313), OHP sheets (keys 314 to 320), second original drawing, and reused paper (keys 321 to 327) whose front side has been copied and whose back side is blank. The tray is set. In addition, a tray that is not selected for any special paper is set as a plain paper tray.

Whether or not the sheets are set in the tray can be detected by a mechanism as shown in FIG. The case G of the tray is provided with a tip of a bottom plate F on which a sheet is placed so as to be able to move up and down, and the bottom plate F is urged by a spring and an arm I (not shown) so that the tip rises.
In addition, rotatable arms L and K are provided,
The tip of the arm L contacts the upper surface of the sheet placed on the bottom plate F, and the tip of the arm K blocks the optical path of the photo interrupter M when there is no sheet. Further, although not shown, for example, five photointerrupters for detecting the size and direction of the paper are provided.

Next, the paper feeding operation of the above embodiment will be described with reference to FIG. When the start key 205 or the trial copy start key 242 is pressed, the start key 205
When is pressed, the process proceeds from step S1 to step S7, and when the trial copy start key 242 is pressed, the process proceeds from step S1 to step S2. If the selected tray is not the special paper tray (cover tray, interleaf paper tray, OHP tray), the process proceeds from step S2 to step S7, and if the selected tray is the special paper tray, step S2.
The procedure proceeds from 2 to step S3.

In step S3, a tray having the same size and the same direction as the selected special paper tray is searched, and if there is such a tray, the process proceeds from step S4 to step S5. If the tray is not the special paper tray in step S5, the tray, that is, the plain paper tray is changed (step S6), the paper feeding process is performed (step S7), and the paper tray is replaced with the original paper tray. (Step S8), and this process ends.

In step S4, if there is no tray of the same size and direction as the selected special paper tray, and if there is a tray of the same size and direction in step S5, that tray is newly added. Similarly, in the case of a special paper tray, the copy operation is interrupted (step S9) and a warning message is displayed (step S1).
0), the process is terminated. Therefore, the user can make a trial copy by supplying plain paper of the same size and the same direction.

FIG. 11 shows a modified sheet feeding operation.
Start key 205 or trial copy start key 242
When is pressed, the process proceeds from step S11 to step S17 when the start key 205 is pressed, and proceeds from step S11 to step S12 when the trial copy start key 242 is pressed. Step S
In step 12, if the selected tray is the reused paper tray, the process proceeds from step S12 to step S17. On the other hand, if the selected tray is not the reused paper tray, the process proceeds from step S12 to step S13. Search for trays that are the same size and in the same direction as the size.

If there is no such tray, step S14
To step S17, on the other hand, if there is, step S14 to step S15. If the tray is not the reused paper tray in step S15, the process proceeds to step S17, and if it is the reused paper tray, the paper feed tray is changed (step S16). Then, a paper feeding process is performed (step S17), and this process ends.

By the way, the normal stapling operation is an operation of stacking sheets on the staple tray and binding a bundle of sheets at the time when the sheets of the final document are stacked. Therefore, binding one sheet of paper is meaningless, and handling is troublesome. Therefore, in the case of one sheet of paper, the stapling operation is generally prohibited. However,
In the trial copy mode, it is better to actually bind even one sheet of paper in order to visually confirm the relationship between the image position and the staple position on the paper.

Next, the stapling process in the trial copy mode will be described with reference to FIGS. FIG. 12 shows the operation of the stapling apparatus C when the stapling execution command is sent from the copying machine main body A, and when there are two or more sheets in the staple tray 146 (step S21).
If the staple prohibition release flag is set even for one sheet (step S22), stapling is executed (step S23). If there are two or more sheets in the staple tray and the staple prohibition release flag is not set, the process proceeds to step S25 without executing stapling.

When stapling is executed in step S23, the stapling prohibition release flag is reset (step S24), the paper is ejected (step S25), the paper counter is cleared (step S26), and this processing ends. The paper counter is incremented every time a paper is carried into the staple tray 146 as shown in FIG. 13 (steps S27 and S28).

In FIG. 14, the copying machine body A is a stapling device C.
To the stapling execution command, this processing is executed when the mode requiring stapling is set. First, it is checked whether or not it is the output timing (step S31). If it is the output timing, the staple prohibition cancel command is first output in the stapling position adjustment mode and the trial copy mode (steps S32 to S34), and then the stapling is executed. The command is output (step S35).

That is, as shown in FIG. 12, since the stapling prohibition cancellation is valid only once, when stapling is executed, the stapling prohibition cancellation is prohibited thereafter until it is canceled by the stapling prohibition cancellation command. Paper is never stapled. Here, in the case of the sorter 153 with stapling function as shown in FIG. 15, since stapled sheets are not automatically ejected from the bin 152, if the stapled sheet bundle is further stapled in the same bin 152, the stapled sheets are properly stapled. Not only can the staple unit 148 be destroyed.

FIG. 15 shows the two-stage stapler-equipped sorters 153a and 153b, and one sorter 153 has two sorters.
Zero-level bins 152 are arranged vertically. This bottle 1
The staple unit 148 is configured to move in the vertical direction with respect to 52 to bind the bundle of sheets discharged onto each bin 152. That is, the position of the bound sheet bundle remains unchanged.

In the sorter having such a structure, as shown in FIG. 16, in the test copy mode (step S41),
In the staple mode, the uppermost bin (leading bin) is determined as the paper discharge destination bin (steps S42 → S4).
3) On the other hand, when the staple mode is not set, the tray (proof tray) other than the sorter is determined (step S).
42 → S44).

Further, in the sorter with stapling function, since the empty bins corresponding to the number of copies are required, the number of copies is determined by the number of empty bins. That is, when both the trial copy and the stapling are executed, the empty bin may run out when the trial copy paper is not removed from the bin. Therefore,
When the paper discharge destination bin is determined to be the leading bin as shown in FIG. 17 (step S45), the leading bin counter is incremented by one in the trial copy mode (step S45).
46 → S47) and decrement the empty bin counter by one (step S48).

Then, as shown in FIG. 18, the enable / disable display in the trial copy mode is performed. If trial copy is in progress, it is determined whether or not there is an empty bin (steps S51 → S5).
2) If there is an empty bottle, proceed to step S53,
If not, the process proceeds to step S61. In step S53, it is determined whether or not the number of copies exceeds the number of empty bins. If Yes, the process proceeds to step S54, and if No, the process proceeds to step S59. In step S54, the copy prohibition display is performed, and then the trial copy permission display is performed (step S5).
5).

If it is not in the trial copy mode, it is judged whether or not there is an empty bin (steps S51 → S56).
If there is an empty bin, the process proceeds to step S57, and if not, the process proceeds to step S61. In step S57, it is determined whether or not the number of registers exceeds the number of empty bins. If Yes, the number of empty bins is set to the number of registers (step S58), and the process proceeds to step S59. If No, the number of registers is left unchanged. Then, the process proceeds to step S59. In step S59, copy permission display is performed, and then trial copy permission display is performed (step S60). Further, in step S61, copy prohibition display is performed, and then trial copy prohibition display is performed (step S6).
2).

In FIG. 19, the CPU 400 of the main controller 320 of the copying machine main body A is the serial communication unit 40.
ADF or manuscript circulation type RDF
And the S / S (sorter with stapling function) 153 or the stapling device C, and the following control is performed.

First, the CPU 400 in FIG.
When the control program of M402 starts, CPU40
Initialization of 0 itself and initial setting for setting the initial mode are performed (step S301). In this initial setting, specifically, the contents stored in the RAM 403 and various registers (not shown) are cleared.

When the initial setting is completed, the function setting screen and soft keys are displayed as shown in FIG. 7 (step S30).
2) Then, a key input subroutine as shown in detail in FIG. 21 is executed (step S303). Next, it is determined whether or not the double-sided copy mode is selected (step S304). If YES, a test copy mode selection subroutine as shown in detail in FIG. 22 is executed, and the process proceeds from step S305 to step S306, and if NO. If so, the process proceeds to step S306 as it is.

In step S306, it is determined whether or not the trial copy start key 242 is turned on.
A trial copy process as detailed in step S307 is executed (step S307). Further, when the print key 205 is turned on, the normal copy process as shown in detail in FIG. 27 is executed (steps S308 → S309), the drive process determination flag P is reset, and the number of copies is set to the number of copies K. Then (step S310), the process returns to step S302. That is, if the print key 205 is not turned on in step S308, the trial copy process can be executed again. The drive process determination flag P = 0
In the case of, the drive is prohibited, and in the case of P = 1, the drive is executed.

In the key input subroutine shown in step S304, as shown in detail in FIG. 21, when the number is input through the ten keys 207 (step S311), this number is set to the number K of copies (step S312).
When another key input occurs, the key input process is executed (steps S313 → S314). When the number of copies is not entered, the initial value is K = 1.

In the trial copy mode selection subroutine shown in step S305, the trial copy mode selection screen is displayed as shown in detail in FIG. 22 (step S315).
Accept key input for trial copy (step S31)
6). Next, when this key input is single-sided copying, the copy finish mode flag D is reset (step S3).
17 → S318), on the other hand, in the case of double-sided copying, this flag D is set (steps S317 → S319).

Next, at the time of one-sided / two-sided copying, the input of the number of originals for trial copying is accepted (step S320 →
S321), when the number of input originals is 1, "1" is set to the original number flag F (steps S322 → S32).
3) In the case of two sheets, "2" is set to the original sheet number flag F (steps S322 → S324). If it is not one-sided / two-sided copying in step S320, "0" is set to the original number flag F (step S32).
5). Finally, the trial copy mode selection screen is erased (step S326).

Next, the trial copy process will be described with reference to FIG. First, when the drive process determination flag P = 0, the process proceeds from step S327 to step S328, and P =
If not 0, steps S327 to S33
Go to 2. In step S328, the original is carried in, and then the flag P is set to "1" (step S329).

Next, when the duplex mode is not set, the number of copies -1 is set to the number of copies K (step S
331). Here, the reason why the copy number -1 is set to the number of copies K is that trial copying is performed on one side and the paper is not wasted when the result is OK. Further, when performing the trial copy when the double-sided mode or the composite mode is selected, the copy number K is not changed because the copy must be performed again. Here, the trial copy can be performed even when the composition mode is selected, but the composition mode is not mentioned for the sake of simplicity.

Returning to FIG. 23, when the duplex mode is set, the trial duplex copying control as shown in detail in FIG. 24 is executed (steps S332 → S333), while the duplex mode is not set. 28, the one-sided copy control as shown in detail in FIG. 28 is executed (step S3).
32 → S334). Next, a trial stapling control is executed (step S335), then an adjustment mode display as shown in detail in FIG. 25 is executed (step S336), and then a document discharge control as shown in detail in FIG. 26 is executed (step S337).

Next, the trial double-sided copying will be described with reference to FIG. First, the copy finish mode flag D is "1".
It is determined whether (= double-sided mode) or “0” (= single-sided mode) (step S338), and whether the document number flag F is “0”, “1”, or “2” (step S33).
9, S344, S353, S358), the following control is performed according to the determination result.

1. In case of single-sided copy mode (D = 0) 1-1. If the single-sided / double-sided mode is not set (F = 0), the original is set to the back side (step S340), the center erase operation is added to the set copy mode to execute the copy operation (step S341), and the original is inverted by the original inversion mechanism. The image surface of the sheet is discharged downward (step S34).
2). Then, the original is placed on the front side (step S343), and the copy operation is executed in the set copy mode (step S3).
51) Then, the document inverting mechanism discharges the document with the image surface thereof facing upward (step S352).

1-2. In single-sided / double-sided mode with one original (F = 1), the center erase operation is added to the set copy mode to execute the copy operation (step S345), and the image of the original is read by the original reversing mechanism. The sheet is discharged with the surface facing down (step S346). Then, the copying operation is executed in the set copying mode (step S351), and the original is inverted and discharged by the original reversing mechanism (step S352).

1-3. In the single-sided / double-sided mode with two originals (F = 2), the center erase operation is added to the set copy mode to execute the copy operation (step S347), and the image of the original is read by the original inversion mechanism. The sheet is discharged face down (step S348). Then, the document is discharged (step S349), the copying operation is executed in the set copy mode (step S351), and the document reversing mechanism discharges the document with its image surface facing upward (step S35).
2).

2. In case of double-sided copy mode (D = 1) 2-1. When not in the single-sided / double-sided mode (F = 0), the center erase operation is added to the set copy mode to execute the copy operation (step S355), and the paper is discharged to the double-sided tray 124 (step S356).
Then, the original is placed on the back side (step S357), the paper is fed from the double-sided tray 124, the copy operation is executed in the set copy mode (step S365), and the paper is ejected (step S366).

2-2. In single-sided / double-sided mode and one original (F = 1), the center erase operation is added to the set copy mode to execute the copy operation (step S359), and the paper is discharged to the double-sided tray 124. Yes (step S360).
Then, the paper is fed from the double-sided tray 124, the copy operation is executed in the set copy mode (step S365), and the paper is ejected (step S366).

2-3. When the original is two sheets in the single-sided / double-sided mode (F = 2), the center erase operation is added to the set copy mode to execute the copy operation (step S355), and the paper is discharged to the double-sided tray 124. Yes (step S360).
Then, the original is ejected (step S356), the original is carried in (step S364), the copying operation is executed in the set copy mode by feeding from the double-sided tray 124 (step S365), and the sheet is ejected (step S366). ).

Next, the adjustment mode display will be described with reference to FIG. First, an adjustment screen (FIG. 7) for the set copy mode, binding margin, density, and magnification is displayed (step S365a). Then, the key input is accepted and each adjustment value is set (step S366a).

Next, the document discharge will be described with reference to FIG. First, a key input is accepted (step S36).
7) If the clear key 201 is pressed (step S368), the document is ejected (step S369) and the drive processing determination flag P is set to "0" (step S37).
0). When the print key 205 is pressed (step S371), the original is ejected when the number of copies is "1" (steps S372 → S373), and the drive process determination flag P is set to "0" ( Step S375).

Next, normal copying will be described with reference to FIG. It is determined whether or not the number of copies K is "0" (step S376). If K = 0, it is determined whether or not the mode is the double-sided mode (step S383). Simple double-sided copy control (step S384), and if not double-sided mode, single-sided copy control as detailed in FIG. 28 is executed (step S384).
385). Next, staple control is executed (step S
386), the number of copies K is decremented by 1 (step S387), and the process returns to step S376.

If K = 0 in step S376, it is determined whether or not there is a document on the document table by the document detection switch (step S377). If there is a document, the document is replaced (step S376). S378), the number of copies is set to the number of copies K (step S379), and the process returns to step S376. When there are no more originals on the original table, the process proceeds from step S377 to step S380 to eject the originals on the contact glass 101, and if there are copy sheets on the double-sided tray 124, eject the copy sheets.

Next, in the one-sided copy control shown in FIG. 28, the discharge path of the copy paper is switched to the sorter side (step S3).
88) and copy operation is performed (step S389). On the other hand, in the double-sided copy control shown in FIG.
When copying to the front side, the copy paper discharge path is switched to the side of the double-sided tray 124 to perform the copying operation (step S3).
90 → S392 → S393), when copying to the second side of the copy paper, the discharge path of the copy paper is switched to the sorter side to perform the copying operation (steps S390 → S391 → S).
393).

[0075]

As described above, according to the invention described in claim 1, when the special paper tray is selected in the trial copy mode, the same size and the same direction as the selected special paper is selected. Since the tray is selected and fed, the expensive special paper can be prevented from being wasted by the trial copy.

According to the second aspect of the invention, regardless of the tray selected in the trial copy mode, recycled paper or reused paper having the same size and direction as the selected paper is selected and fed. Therefore, it is possible to prevent the expensive special paper and plain paper from being wasted by the trial copy.

According to the third aspect of the present invention, the test copy is prohibited when there is no paper of the same size and the same direction as the paper selected in the test copy mode. It is possible to prevent the paper from being wasted.

[Brief description of drawings]

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

FIG. 2 is a configuration diagram showing the stapling apparatus of FIG.

3 is a configuration diagram showing an operation unit provided in the main body of the copying machine of FIG.

FIG. 4 is a block diagram showing a detection circuit of the touch panel key of FIG.

5 is an explanatory diagram showing a detection logic of the touch panel detection circuit of FIG.

FIG. 6 is a block diagram showing a control circuit of an operation unit.

FIG. 7 is an explanatory diagram showing a function selection screen of the display unit.

FIG. 8 is an explanatory diagram showing a special paper tray setting screen.

FIG. 9 is a configuration diagram showing a sheet detection mechanism.

FIG. 10 is a flowchart for explaining an operation of selecting a paper feed tray during trial copy.

FIG. 11 is a flowchart for explaining a modified example of FIG.

FIG. 12 is a flowchart illustrating a staple execution process.

FIG. 13 is a flowchart illustrating a sheet count process in the staple tray.

FIG. 14 is a flowchart illustrating a staple command output process.

FIG. 15 is a configuration diagram showing a sorter with a staple function.

FIG. 16 is a flowchart for explaining a paper discharge destination changing process at the time of trial copy.

FIG. 17 is a flowchart illustrating a bin count process during a trial copy.

FIG. 18 is a flowchart for explaining a copy enable / disable display process during a trial copy.

FIG. 19 is a block diagram schematically showing the copying machine shown in FIG.

20 is a flowchart for explaining a schematic operation of the CPU of FIG.

FIG. 21 is a flow chart for explaining the key input processing of FIG. 20 in detail.

22 is a flowchart for explaining in detail the trial copy mode selection processing of FIG.

FIG. 23 is a flow chart for explaining the trial copy process of FIG. 20 in detail.

FIG. 24 is a flowchart illustrating in detail the trial double-sided copying process of FIG. 23.

FIG. 25 is a flowchart for explaining the adjustment mode display process of FIG. 23 in detail.

FIG. 26 is a flowchart for explaining the document discharge process of FIG. 23 in detail.

FIG. 27 is a flowchart for explaining in detail the normal copying process of FIG. 20.

FIG. 28 is a flow chart for explaining the one-sided copy process of FIG. 27 in detail.

FIG. 29 is a flow chart for explaining the double-sided copy process of FIG. 27 in detail.

[Explanation of symbols]

 112, 113, 114 Paper feed tray 280 Main control unit 400 CPU

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ryoichi Suzuki 1-3-6 Nakamagome, Ota-ku, Tokyo Within Ricoh Co., Ltd. (72) Innovator Nobuaki Tomissho 1-3-3 Nakamagome, Ota-ku, Tokyo Stock company Ricoh

Claims (3)

[Claims] 1. A copying machine having a plurality of paper feed trays for copying an image onto copy paper fed from the paper feed trays, wherein a plain paper tray on which plain paper is set and a special paper are set. Selected special paper tray, selection means for selecting the plain paper tray or the special paper tray, and when the special paper tray is selected by the selection means in the trial copy mode, the same size and the same size as the selected special paper And a control unit that selects and feeds a plain paper tray in one direction. 2. A tray on which recycled paper or recycled paper is set is further provided, and the control means is irrespective of the tray selected by the selecting means in the trial copy mode.
2. The copying apparatus according to claim 1, wherein recycled paper or recycled paper having the same size and the same direction as the selected paper is fed. 3. The copying apparatus according to claim 1, wherein the control unit prohibits the trial copy when there is no sheet of the same size and the same direction as the selected sheet.