JP3614363B2 - Image forming apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an image forming apparatus suitably implemented as a digital copying machine, which stores image data in a memory, reads out the image data stored in the memory based on input set conditions, and forms an image on a sheet. It is about.
[0002]
[Prior art]
When a plurality of copies of a plurality of originals are copied, the conventional analog copying machine is configured to copy the originals one page at a time as desired. Therefore, when it is desired to change the number of copies after the process is started, if the process is close to completion, the process waits for the completion, sets the number of additional copies, and the printing process is performed again. On the other hand, if the time from the start of processing is short and a lot of processing remains, the printing process is temporarily interrupted by the interruption process, and after the additional printing process is performed, the unprocessed document is the number of copies after the change. Is being printed.
[0003]
On the other hand, in a digital copying machine, for example, in Japanese Patent Application Laid-Open No. 9-190117, a copy job is performed by inputting ID data, and the ID data is input when additional copying is required after the job is completed. Thus, the original image data stored in the hard disk at the time of the previous printing process is read and the printing process is performed, the reading of the original is not performed again, the processing time is shortened, and the original is not damaged. An “image forming apparatus” for reducing the size is disclosed.
[0004]
[Problems to be solved by the invention]
In the conventional analog copying machine as described above, since the printing process is temporarily interrupted and the number of additional copies is set, there is a problem that the printing process takes time. There is also a problem that sorting of processed paper is complicated, for example, the number of copies of processed paper is different before and after the interruption processing.
Further, the above-described conventional digital copying machine has a problem in that additional settings cannot be made unless the printing process is once completed, and the printing process takes time. Further, when the number of copies is reduced, like the analog copying machine, the printing process has to be interrupted once, and there is a problem that the printing process takes time and the sorting of the processed paper is complicated. .
[0005]
The present invention has been made in view of the circumstances as described above, and can easily change the number of copies and change the function even during the printing processing operation, and can quickly terminate the printing processing. Another object of the present invention is to provide an image forming apparatus that can easily sort processed paper.
[0006]
[Means for Solving the Problems]
Book An image forming apparatus according to the invention includes: Manuscript The image data is stored in the storage unit and input settings are made. Including copies Based on the conditions, read the image data stored in the storage unit, While displaying the unprocessed number of copies on the display unit, In an image forming apparatus that forms an image on paper, during image formation, A receiving unit that receives the change of the condition and an application start part value of the changed condition; a determination unit that determines whether the unprocessed number has reached the application start part value received by the receiving unit; , After the change received by the receiving means when it is determined that the determining means has reached Continue image formation based on conditions Continue Means.
[0009]
In this image forming apparatus, the image data is stored in the storage unit based on the condition including the input set number of copies and the unprocessed number from the number of copies is displayed on the display unit. To form an image on a sheet. The accepting unit accepts a change in the condition including an application start value to start application of the unprocessed number or less during image formation, and the determining unit determines whether or not the unprocessed number has reached the application start value. To do. When the determination unit determines that the determination unit has reached, the continuation unit continues to form an image based on the condition that the reception unit has received the change.
As a result, even if it is necessary to change the number of copies during the printing process (during image formation), like the conventional analog copying machine, after interrupting the printing process by the interruption process and performing the additional printing process, It is not a complicated process to print an unprocessed document with the changed number of copies, and the printing process is executed by changing the number of copies without stopping the operation being processed. Can do.
[0010]
Book In the image forming apparatus according to the invention, the accepting unit starts the application when the condition for accepting the change is an increase in the number of copies. Part number If the condition for accepting the change is a reduction in the number of copies, the application starts. Part number Is the value obtained by executing the reduction for the number of copies set to the input, and when the condition for accepting the change is the reduction, the image forming is terminated when the determination unit determines that it has been reached. It is characterized by having it done.
[0011]
In this image forming apparatus, the accepting unit sets the application start value to 0 when the condition for accepting the change is an increase in the number of copies, and sets the application start value when the condition for accepting the change is a reduction in the number of copies. Is the value obtained by executing the reduction for the number of copies set as input, and when the condition for accepting the change is reduction, the image forming is terminated when it is determined that the determination unit has reached.
As a result, even if it is necessary to change the number of copies during the printing process (during image formation), the printing process is executed by changing the number of copies without stopping the operation during the processing. Can do.
[0012]
Book In the image forming apparatus according to the invention, when the condition that the accepting unit accepts the change is an increase / decrease in the number of copies, a unit that executes the increase / decrease on the unprocessed number, and a value obtained by executing the unit, And a means for displaying on the display unit instead of the unprocessed number.
[0013]
In this image forming apparatus, when the condition that the accepting unit accepts the change is an increase / decrease in the number of copies, the executing unit executes the increase / decrease in the unprocessed number, and the displaying unit displays the value obtained by the execution. Since it is displayed on the display unit instead of the unprocessed number, the progress of the printing process after the number of copies can be confirmed.
[0014]
Book The image forming apparatus according to the present invention comprises: a means for blinking a display lamp related to the change for a predetermined time when the continuation means starts image formation based on a condition that the reception means accepts the change; And means for turning on the indicator lamp when the time elapses.
[0015]
In this image forming apparatus, when the continuation means starts image formation based on the condition that the accepting means accepts the change, the blinking means blinks the indicator lamp related to the change for a predetermined time, and a predetermined time has elapsed. At that time, since the lighting means turns on the indicator lamp, the changed number of copies and the changed function can be confirmed.
[0016]
Book An image forming apparatus according to an aspect of the invention is configured to determine whether the condition that the receiving unit has received a change requires a change of paper, and when the unit determines that the change is necessary, Means for selecting a sheet, and the means is adapted to form an image on the selected sheet.
[0017]
In this image forming apparatus, the determination unit determines whether the condition that the reception unit has received the change requires changing the paper, and the selection unit determines that the determination unit determines that the change is necessary. The paper corresponding to the condition is selected, and an image is formed on the selected paper by the selecting means.
As a result, it is possible to select a sheet corresponding to the magnification for the function change, particularly for the change accompanied by the magnification change, and it is possible to prevent the lack of printing even when the magnification is changed.
[0018]
Book When the accepting unit accepts the change, the image forming apparatus according to the invention detects the remaining amount of paper to be image-formed according to the change, and the remaining amount detected by the unit is the change. And a means for judging whether or not the amount of paper to be imaged is less than the amount of paper to be formed. When it is judged that the means is less than the amount of paper, the shortage of paper is displayed. To do.
[0019]
In this image forming apparatus, when the accepting unit accepts the change, the detecting unit detects the remaining amount of paper to be imaged in accordance with the change, and the judging unit determines whether the detected remaining amount is In accordance with the change, it is determined whether or not the amount of paper to be formed is less than the amount of paper. When it is determined that the number of determining means is less, a shortage of paper is displayed.
Accordingly, it is possible to notify in advance of the shortage of paper for completing the printing process under the changed conditions, and it is possible to prevent the interruption state due to the shortage of paper from being left unattended.
[0020]
Book The image forming apparatus according to the present invention further comprises means for changing a paper discharge tray when image formation is started based on the condition that the receiving means has received the change, and the paper discharge tray changed by the means includes It is characterized in that the sheet on which the image is formed is discharged based on the conditions.
[0021]
In this image forming apparatus, when the image forming is started based on the condition that the accepting unit accepts the change, the changing unit changes the paper discharge tray, and the image is formed on the changed paper discharge tray based on the condition. Since the discharged paper is discharged, it is easy to sort the processed paper, and the sorting process can be performed in a short time.
[0022]
Book The image forming apparatus according to the invention further includes a change display unit for displaying the change contents when the receiving unit receives the change.
[0023]
In this image forming apparatus, when the accepting unit accepts the change, the change display unit displays the change content, so that the number of changed copies and the changed content can always be confirmed, and mistakes can be prevented. I can do it.
[0024]
Book In the image forming apparatus according to the invention, when the image forming based on the condition for which the receiving unit has received the change is completed, the presence or absence of the paper on a paper discharge tray from which the paper on which the image is formed based on the condition is discharged. Means for detecting the change, and the change display section displays the change contents until the means detects nothing.
[0025]
In this image forming apparatus, when the image formation based on the condition that the accepting unit accepts the change is completed, the detecting unit detects the sheet on the paper discharge tray on which the sheet on which the image is formed based on the condition is discharged. The change display unit displays the change contents until the presence / absence is detected and the detecting means detects nothing, so that the changed contents can be confirmed after the printing process is completed.
[0026]
Book The image forming apparatus according to the invention includes means for displaying a character or an image, an adding means for adding the character or image displayed by the means to the image data stored in the storage unit, and a character or image added by the adding means. An erasing unit that erases an image, and the condition that the receiving unit should accept a change includes the addition of a character or an image by the adding unit and the erasing of the character or the image by the erasing unit. When addition or erasure is accepted, image formation is continuously performed based on the addition or erasure.
[0027]
In such an image forming apparatus, the displaying means displays characters or images, the adding means adds the displayed characters or images to the image data stored in the storage unit, and the erasing means adds the added characters or images. Erase the image. Conditions under which the accepting means should accept the change include addition of characters or images by the adding means and erasure of characters or images by the erasing means. When the accepting means accepts addition or erasure, based on the addition or erasure, Subsequently, image formation is performed.
As a result, the image data stored in the storage unit can be easily processed and corrected to create additional data.
[0028]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings showing the embodiments.
Embodiment 1 FIG.
FIG. 1 is a block diagram showing a main configuration of a digital copying machine which is Embodiment 1 of the image forming apparatus according to the present invention. The digital copying machine 30 has not only a copying function but also a facsimile function and a printer function. A CPU 10 (central processing unit) composed of a microcomputer performs a drive unit 21 such as a main motor, a post-processing device control unit 34, a RADF. (Recirculating Automatic Document Feeder: Double-sided automatic document feeder) The control unit 36, the paper feeding / conveying unit 50, the fixing unit 49, the image forming unit 48, the scanner 40, the image processing unit 62, and the operation unit 14 are controlled.
[0029]
The paper feeding / conveying unit 50 includes a paper tray sensor 20 that detects the presence / absence of paper in the paper tray, a conveyance unit 33 that conveys paper, and a paper discharge tray sensor 19 that detects the presence / absence of paper discharge in the paper discharge tray. It has.
The scanner 40 includes scanning means 41 and 42 and a photoelectric conversion element 44.
[0030]
The image processing unit 62 includes a main memory 63 (storage unit) that stores image data read by the photoelectric conversion element 44 of the scanner 40. The image processing unit 62 converts the image data read by the photoelectric conversion element 44 into a digital signal and inputs it. An image data input unit 61 for performing image data, a hard disk device 23 (storage unit) which is an auxiliary storage device of the main memory 63, an image data output unit 32 for outputting image data for printing, and an image data communication unit 22 Are controlled to exchange image data.
[0031]
The operation unit 14 includes an operation key unit 12 having a large number of various operation keys, an LCD 11 (Liquid Crystal Display) that is a display unit, and a memory 13 that stores data for operation. The key unit 12 constitutes an operation panel 15 described later.
The CPU 10, the image processing unit 62, the image data input unit 61, and the hard disk device 23 constitute a control unit 60.
[0032]
FIG. 2 is a schematic diagram showing a cross-sectional configuration of the digital copying machine 30 described above. A transparent glass platen 35 is disposed on the top surface of the digital copying machine 30, and a scanner unit 31 is disposed below it. A RADF (double-sided automatic document feeder) control unit 36 is disposed above the document table 35 so as to cover the document table 35, and a document is supplied to the original document table 35 on the top of the RADF control unit 36. A document tray 37 is provided for this purpose.
[0033]
The scanner unit 31 includes an exposure lamp 41a, a first reflection mirror 41b, a second reflection mirror 42b, a third reflection mirror 42c, a lens 43, and a photoelectric conversion element 44 using a CCD (Charge Coupled Device), and the exposure lamp 41a. The first scanning unit 41 (scanning means) comprising the first reflecting mirror 41b is reciprocated in the horizontal direction on the lower surface of the document table 35, and the image of the document placed on the upper surface of the document table 35 is irradiated from the exposure lamp 41a. The exposure scanning is performed by the light.
The second scanning unit 42 (scanning means) including the second reflecting mirror 42 b and the third reflecting mirror 42 c follows the first scanning unit 41 at a speed ½ that of the first scanning unit 41.
[0034]
The reflected light from the exposure lamp 41a forms an image on the light receiving surface of the photoelectric conversion element 44 from the first reflection mirror 41b via the second reflection mirror 42b, the third reflection mirror 42c, and the lens 43. A signal corresponding to the amount of received light is output. The signal output from the photoelectric conversion element 44 is digitized as image data by the A / D converter of the image data input unit 62 (FIG. 1) of the control unit 60, and is stored in the main memory 62 and the hard disk device 23 (FIG. 1). Remembered. The stored image data is read in accordance with an operation signal input by the operation key 12 of the operation unit 14 and given to a laser recording unit 32 (image data output unit) disposed below the scanner unit 31.
[0035]
The laser recording unit 32 is the image data output unit in FIG. 1 and is for forming an image on a sheet based on the given image data. The laser recording unit 46, the electrophotographic process unit 48, the fixing device 49 and a paper transport mechanism 50.
The image data given to the laser recording unit 32 is input to the laser writing unit 46. Based on the input image data, the laser writing unit 46 irradiates the peripheral surface of the photosensitive drum 47 of the electrophotographic process unit 48 with laser light, and forms an electrostatic latent image on the peripheral surface of the photosensitive drum 47. .
In addition to the photosensitive drum 47, the electrophotographic process section 48 includes a charger, a developing device, a transfer device, a peeling device, a cleaning device, and a static eliminator, and develops an electrostatic latent image on the photosensitive drum 47. A toner image is formed and electrostatically transferred onto a sheet.
[0036]
The paper transport mechanism 50 supplies paper to the electrophotographic process unit 48 and fixes the image transferred on the paper, and then discharges the paper to the outside. , 52, 53, manual sheet feeding device 54, fixing device 49, resupply path 56, paper discharge roller 57, duplex copying unit 55, and post-processing device 34.
The transport unit 33 is for transporting sheets from the cassette paper feeding devices 51 to 53, the manual paper feeding device 54, or the refeed path 56 to a predetermined transfer position of the electrophotographic processing unit 48.
[0037]
After fixing the toner image on the front side of the paper, the duplex copying unit 55 supplies the paper again to the transport unit 33 in order to form an image on the back side of the paper.
The resupply path 56 is a path for transporting the sheet on which an image is formed on one side to the duplex copying unit 55.
The paper discharge roller 57 is a conveyance roller for supplying the paper discharged from the fixing device 49 to the post-processing device 34 or the resupply path 56.
The post-processing device 34 has a multi-stage paper discharge tray 38, and can discharge paper in any order in any stage.
[0038]
FIG. 3 is a plan view showing details of an example of the operation panel 15. The operation panel 15 instructs an interrupt and displays an interrupt key / indicator 70 for displaying the interrupt, a copy number change key 71 for changing the setting of the number of copies during the printing process, and a magnification change or duplex / Function change key 72 for changing functions such as single-sided switching, double-sided / single-sided setting key 73 and double-sided / single-sided indicator lamp 73a, stable instruction key 74 and stable execution indicator lamp 74a, resolution switching key 75 and Resolution indicator lamp 75a, density setting key 76 for setting copy density and its indicator lamp 76a, numeric keypad 77, confirmation key 78 for confirming the change of the number of copies and the function, and the set number of copies Display panel 79 (LCD 11 (FIG. 1)), which is a display unit for displaying the number of unprocessed images from the display.
[0039]
The operation panel 15 also sets an error indicator lamp 80, a clear key 81 for canceling some settings, an all clear key 82 for canceling all settings, a start key 83, and a magnification. A magnification setting key 84 for performing the selection, a magnification display lamp 84a for displaying the set magnification, a tray selection key 85 for selecting the paper tray, a tray position display lamp 85a for displaying the selected paper tray, A paper discharge tray selection key 85b for selecting a paper tray, a paper discharge tray position indicator lamp 85c for displaying the selected paper discharge tray, a Nup1 key 86 for setting how many screens are printed on one sheet, and The setting indicator lamp 86a is provided.
[0040]
Hereinafter, the operation of the digital copying machine 30 having such a configuration will be described with reference to the flowcharts shown in FIGS.
When any setting key on the operation panel 15 is operated (S1), the control unit 60 sets the printing condition according to the operated setting key (S2), and when the start key is operated (S3), the setting is performed. The printing process is started under the set printing conditions (S4).
The controller 60 starts the printing process (S4) even when the setting key of the operation panel 15 is not operated (S1) and the start key is operated (S7). At this time, if the number of copies is set (S2), the control unit 60 displays the unprocessed number from the set number of copies on the display panel 79.
[0041]
The controller 60 returns to the standby state when the printing process is completed (S6) without operating the keys of the operation panel 15 during the printing process (S5).
The controller 60 operates the keys of the operation panel 15 during the printing process (S5), the operated key is the copy number change key 71 (S8), the changed number of copies is input (S9), and the confirmation key 78. Is operated (S10), the remaining number of copies, which is the unprocessed number including the changed number of copies, is calculated (S11).
[0042]
Next, the control unit 60 starts displaying the calculated remaining number of copies (S11) on the display panel 79 (S12), and continues the printing process under the changed number of copies condition (S13).
The control unit 60 returns to the standby state when the printing process is completed (S14) without the key of the operation panel 15 being operated during the printing process (S15). If a key on the operation panel 15 is operated during the printing process (S15), a process corresponding to the operated key is performed (S8).
If the operated key is not the copy number change key 71 (S8), the control unit 60 executes a change process corresponding to the operated key (S16), and continues the printing process under the changed condition (S13). .
[0043]
For example, when the user first requests 50 copies and the number of unprocessed copies is 40, when adding 20 more copies, the user operates the copy number change keys 71 and +20 (10-key 77) and presses the enter key. When 78 is operated, the display on the display panel 79 changes from 40 to 60, the remaining total number of copies is displayed, and decreases as 59, 58, 57... According to the progress of the printing process.
When the number of copies requested by the user for the first time is 50 and the number of unprocessed copies is 40, when the number of copies is reduced, the user operates the copy number change keys 71 and -10 (ten keys 77) and presses the enter key 78. When operated, the display on the display panel 79 changes from 40 to 30, the remaining total number of copies is displayed, and decreases as 29, 28, 27... According to the progress of the printing process.
[0044]
Embodiment 2. FIG.
FIG. 6 is a flowchart showing the operation of the digital copying machine which is Embodiment 2 of the image forming apparatus according to the present invention. The configuration and part of the operation of this digital copying machine are the same as the configuration and part of the operation (FIG. 4) of the digital copying machine described in the first embodiment, and therefore description thereof is omitted.
In the control unit 60, the key operated during the printing process (S5 in FIG. 4) is the function change key 72 (S20), the function setting key is operated (S21), and the number of print processing copies by the changed function is input. (S22) If the confirmation key 78 is operated (S23), the printing process is continued under the function condition before the change until the unprocessed number of copies reaches the inputted number of copies (S22).
[0045]
When the number of unprocessed copies reaches the input number of copies (S24), the control unit 60 continues the printing process with the changed function condition (S25) and displays the indicator lamp related to the changed function condition for 5 seconds, for example. After blinking (S26), the indicator lamp is turned on (S27).
The controller 60 does not operate the keys of the operation panel 15 during the printing process (S29), and when the printing process is completed (S28), turns off the lit display lamp (S27) (S30). Return to the standby state (FIG. 4). If a key on the operation panel 15 is operated during the printing process (S29), a process corresponding to the operated key is performed (S20).
If the operated key is not the function change key 72 (S20), the control unit 60 executes a change process corresponding to the operated key (S31), and continues the printing process under the changed condition (S25). .
[0046]
For example, when the number of copies requested to be set first by the user is 50, and the last 20 copies are changed to duplex printing, the function change key 72 is operated and both sides are set with the duplex / single side setting key 73. When +20 (tenkey 77) is set and the enter key 78 is operated, when the remaining number of copies reaches 20, the printing process changes to duplex printing, and the lighting side of the duplex / single-sided indicator lamp 73a changes from the single-sided side to the double-sided side. After blinking for 5 seconds, it remains lit until the printing process is completed.
[0047]
Similarly, when the printing process for one screen per sheet is changed to the printing process for two screens per sheet, the processing is as follows.
When changing from 10th copy to 2in1 while printing 20 copies with 1in1, operate function change key 72 and set 2in1 with Nup1 key 86, then set to +10 (tenkey 77) and confirm When the key 78 is operated, when the remaining number of copies reaches 10, the printing process changes to 2in1, the lighting indicator of the setting indicator 86a changes from 1in1 to 2in1, blinks for 5 seconds, and then the printing process ends. Light.
[0048]
Embodiment 3 FIG.
FIG. 7 is a flowchart showing the operation of the digital copying machine which is Embodiment 3 of the image forming apparatus according to the present invention. The configuration and part of the operation of this digital copying machine are the same as the configuration and part of the operation (FIG. 4) of the digital copying machine described in the first embodiment, and therefore description thereof is omitted.
In the control unit 60, the key (S5 in FIG. 4) operated during the printing process is the function change key 72 (S33), the function setting key is operated (S34), and the number of print processing copies by the changed function is input. (S35) If the confirmation key 78 is operated (S36), it is determined whether or not the sheet needs to be changed (S37).
[0049]
If it is necessary to change the sheet (S37), the control unit 60 checks the remaining number of sheets after the change by the sheet tray sensor 20 (S46), and the checked remaining number is the number of sheets required after the change. It is determined whether there is a shortage (S47).
If the required number of sheets after the change is insufficient (S47), the control unit 60 turns on the error lamp 80 and the tray position display lamp 85a of the changed sheet (S48), and the number of unprocessed copies is input. The printing process is continued under the function condition before the change until the number of copies (S35) is reached.
The control unit 60 also sets the number of unprocessed copies to the input number (S35) when there is no need to change the sheets (S37) and when the number of sheets required after the change is not insufficient (S47). Until this time, the printing process is continued with the function conditions before the change.
[0050]
When the number of unprocessed copies reaches the inputted number of copies (S38), the control unit 60 continues the printing process with the changed function condition (S39) and displays the indicator lamp related to the changed function condition for 5 seconds, for example. After blinking (S40), the indicator lamp is turned on (S41).
The controller 60 does not operate the keys of the operation panel 15 during the printing process (S43), and when the printing process is completed (S42), turns off the lit display lamp (S41) (S44). Return to the standby state (FIG. 4). If a key on the operation panel 15 is operated during the printing process (S43), a process corresponding to the operated key is performed (S33).
If the operated key is not the function change key 72 (S33), the control unit 60 executes a change process corresponding to the operated key (S45), and continues the printing process under the changed condition (S39). .
[0051]
For example, when the number of copies requested to be set first by the user is 50 copies of A4 size and 30 copies in the latter half are changed to B5 size, the function change key 72 is operated, and the magnification setting key 84 is used to change the magnification from 100%. After the value is changed to 88%, when 30 (tenkey 77) is set and the enter key 78 is operated, when the remaining number of copies reaches 30, the printing process is changed to B5 size paper and the tray position indicator lamp 85a is turned on. The indicator light changes from the A4 paper tray to the B5 paper tray, the magnification indicator light 84a changes from 100% to 88%, and both indicator lights flash for 5 seconds and then turn on until the printing process is completed. To do.
If the remaining amount of the B5 paper tray is less than 30 copies, the tray position indicator lamp 85a of the B5 paper tray blinks and requests the user to replenish B5 paper.
[0052]
Similarly, for example, if the print density is low because the last two originals out of a total of 10 documents have been transmitted by facsimile, the function change key 72 is operated during the printing process to change the resolution switching key. Select “Manual” with 75, select density “5” with the density setting key 76, set 2 (tenkey 77), and operate the enter key 78 to print only the last two sheets with density “5”. After the last two images are processed, the lighting indicator lamp of the resolution indicator lamp 75a changes from “automatic” to “manual” and flashes for five seconds together with the indicator lamp “5” of the density indicator lamp 76a. Lights up until the printing process is completed.
[0053]
Also, for example, if the last three of the ten documents are illustrations / photos, the function change key 72 is operated during the printing process and “photograph” is selected with the resolution switching key 75, and then 3 When (ENTER key 77) is set and the enter key 78 is operated, only the last three sheets are printed with the resolution of “photograph”. When the last three sheets are displayed, the lighting indicator lamp of the resolution indicator lamp 75a is “ It changes from “Auto” to “Photo”, blinks for 5 seconds, and then lights up until the printing process is completed.
[0054]
Embodiment 4 FIG.
FIG. 8 is a flowchart showing the operation of the digital copying machine which is Embodiment 4 of the image forming apparatus according to the present invention. The configuration and part of the operation of this digital copying machine are the same as the configuration and part of the operation (FIG. 4) of the digital copying machine described in the first embodiment, and therefore description thereof is omitted.
In the control unit 60, the key operated during the printing process (S5 in FIG. 4) is the function change key 72 (S50), the paper discharge tray is selected by the paper discharge tray selection key 85b (S51), and the number of sheets is determined by the numeric keypad 77. If the confirmation key 78 is operated (S53), the printing process is continued under the function conditions before the change until the unprocessed copy number reaches the input copy number (S52).
[0055]
When the number of unprocessed copies reaches the input number (S54), the control unit 60 changes to the selected (S51) paper discharge tray (S55) and continues the printing process.
The controller 60 returns to the standby state when the printing process is completed (S56) without operating the keys of the operation panel 15 during the printing process (S57) (FIG. 4). If a key on the operation panel 15 is operated during the printing process (S57), a process corresponding to the operated key is performed (S58).
If the operated key is not the function change key 72 (S50), the control unit 60 executes a change process corresponding to the operated key, and continues the printing process under the changed condition (S58).
[0056]
For example, when printing 50 sheets of one document, if 30 sheets are for the technical department, 20 sheets are for the planning department, and there are two distribution destinations, the function change key 72 is operated during the printing process, By selecting a paper discharge tray with the paper discharge tray selection key 85b, inputting the change start number with the numeric keys 77, and operating the confirmation key 78, the latter 20 sheets are discharged to another paper discharge tray. Thereby, the trouble of counting the number of sheets after the printing process can be saved.
[0057]
Embodiment 5. FIG.
FIG. 9 is a flowchart showing the operation of the digital copying machine which is Embodiment 5 of the image forming apparatus according to the present invention. The configuration and part of the operation of this digital copying machine are the same as the configuration and part of the operation (FIG. 4) of the digital copying machine described in the first embodiment, and therefore description thereof is omitted.
The controller 60 operates the keys of the operation panel 15 during the printing process (S5 in FIG. 4), the operated key is the copy number change key 71 (S60), and the number of copies changed by the numeric keypad 77 is input (S61). When the paper discharge tray is selected by the paper discharge tray selection key 85b (S62) and the confirmation key 78 is operated (S63), the remaining number of copies, which is the unprocessed number including the changed number of copies, is calculated (S70). .
[0058]
After calculating the remaining number of copies (S70), the control unit 60 continues the printing process (S71) until the number of unprocessed copies reaches the input number (S61) (S71), and the number of copies to which the number of unprocessed copies is input. When it becomes (S72), it changes to the selected paper discharge tray (S62) and discharges the printed paper (S72), and at the same time, turns on the light emission indicator of the paper discharge tray position indicator lamp 85c. The paper discharge tray position indicator lamp 85c is switched to blinking for 5 seconds and then lit.
If the paper discharge tray is not selected by the paper discharge tray selection key 85b (S62) and the confirmation key 78 is operated (S69), the control unit 60 remains the unprocessed number including the changed number of copies. The number of copies is calculated (S64).
[0059]
After calculating the remaining number of copies (S64), the control unit 60 continues the printing process according to the changed number condition (S61) (S65).
The controller 60 returns to the standby state when the printing process is completed (S66) without the key on the operation panel 15 being operated during the printing process (S67) (FIG. 4). If a key on the operation panel 15 is operated during the printing process (S67), a process corresponding to the operated key is performed (S60).
If the operated key is not the copy number change key 71 (S60), the control unit 60 executes a change process according to the operated key (S68), and continues the printing process under the changed condition (S65). .
[0060]
For example, if 20 sheets are being printed and it is necessary to add 10 sheets suddenly, the copy number change key 71 is operated during the printing process, the change start number is input using the numeric keypad 77, and the discharge tray selection key 85b. By selecting the second discharge tray from the top and operating the enter key 78, the additional 10 sheets are discharged to the second discharge tray from the top, and the second discharge tray of the second The paper discharge tray position indicator lamp 85c lights up after blinking for 5 seconds.
[0061]
The sort function is set to print 10 copies, and if it is necessary to add 10 copies suddenly during the printing process, the number of additional copies and the discharge tray are set according to the procedure described above. . Further, if the stable instruction key 74 is operated, the sorting function is carried over to the added 10 copies, and stable is executed only for the added portion.
[0062]
Embodiment 6 FIG.
FIG. 10 is a plan view showing details of an example of an operation panel 15a of a digital copying machine which is Embodiment 6 of the image forming apparatus according to the present invention. The operation panel 15a includes a change key 72a for selecting whether to change the setting of the number of copies or the setting of the function during the printing process, and the number of copies to be turned on when the setting change of the number of copies is selected by the change key 72a. Change indicator light 72b, a function change indicator light 72c that is lit when function setting change is selected, a duplex / single-sided setting key 73 and a duplex / single-sided indicator lamp 73a, a stable instruction key 74, and a stable The execution indicator lamp 74a, the resolution switching key 75 and the resolution indicator lamp 75a, the density setting key 76 for setting the copy density, the indicator lamp 76a, the numeric keypad 77a, the change of the number of copies and the change of the function are confirmed. And a normal display panel 79 which is a display unit for displaying the number of unprocessed copies from the set number of copies.
[0063]
In addition to the normal display panel 79, the operation panel 15 includes an addition / correction display panel 79a (change display portion) for displaying the number of copies added / corrected, an error indicator lamp 80, and some settings. A clear key 81 for canceling, an all clear key 82 for canceling all settings, a start key 83, a magnification setting key 84 for setting the magnification, and a magnification indicator lamp 84a for displaying the set magnification. A tray selection key 85 for selecting a paper tray, a tray position indicator lamp 85a for displaying the selected paper tray, a Nup1 key 86 for setting how many screens are printed on one sheet, and its setting display. And a lamp 86a. Other configurations and some operations are the same as the configuration and some operations (FIG. 4) of the digital copying machine described in the first embodiment, and thus description thereof is omitted.
[0064]
FIG. 11 is a flowchart showing the operation of the digital copying machine having such a configuration. When the key of the operation panel 15 is operated during the printing process (S5 in FIG. 4) and the operated key is the change key 72a, and the copy number change is selected (S77), the control unit 60 adds / corrects the panel 79a. Is turned on (S78).
Next, if the number of copies added / corrected by the numeric keypad 77 is input to the control unit 60 (S79) and the confirmation key 78 is operated (S80), the remaining number of copies, which is the unprocessed number including the changed number of copies. And the total number of copies after the change is calculated (S81).
[0065]
Next, the control unit 60 displays the calculated (S81) remaining number of copies on the normal display panel 79 and the changed total number of copies on the addition / correction display panel 79a (S82), and according to the changed number of copies condition. Then, the printing process is continued (S83), and the key of the operation panel 15 is not operated during the printing process (S85). When the printing process is completed (S84), the process returns to the standby state (FIG. 4). However, the display on the addition / correction display panel 79a is not erased (S91) until the printed paper is removed from the paper discharge tray (S90).
If a key on the operation panel 15 is operated during the printing process (S85), processing corresponding to the operated key is performed (S77).
[0066]
If the operated key is the change key 72a and the copy number change is not selected (S77), the control unit 60 executes the change process according to the operated key (S86), and prints under the changed conditions. Is continued (S87).
The control unit 60 continues the printing process (S87), and the key of the operation panel 15 is not operated during the printing process (S89). When the printing process is completed (S88), the control unit 60 returns to the standby state (FIG. 4). If a key on the operation panel 15 is operated during the printing process (S89), a process corresponding to the operated key is performed (S77).
[0067]
For example, when the number of copies requested to be set first is 50 and the number of unprocessed copies is 40, when adding 20 more copies, the user operates the change key 72a to select the number of copies. When the change key 72a is operated, the addition / correction display panel 79a is turned on. When "20" is input by the numeric keypad 77 and the enter key 78 is operated, "70" is displayed on the addition / correction display panel 79a. On the other hand, the display on the normal display panel 79 changes from 40 to 60, the remaining total number of copies is displayed, and decreases as 59, 58, 57... According to the progress of the printing process.
“70” displayed on the addition / correction display panel 79a is not erased until the printed paper is removed from the paper discharge tray.
[0068]
In addition, when the first requested copy number is 50 copies of A4 size and the number of unprocessed copies is 40, the user operates the change key 72a to change the latter 30 copies to B5 size. Select. When the change key 72a is operated, the addition / correction display panel 79a is turned on, the magnification is changed from 100% to 88% by the magnification setting key 84, "30" is input by the numeric key 77, and the enter key 78 is pressed. When the operation is performed, “30” is displayed on the addition / correction display panel 79a, while the display on the normal display panel 79 displays the remaining number of copies, and 39, 38, 37,.・ Decrease.
Here, if the remaining amount of the B5 paper tray is insufficient for the printing process of 30 copies, the error indicator lamp 80 and the B5 tray position indicator lamp 85a blink to request the user to supply paper.
[0069]
Embodiment 7 FIG.
FIG. 12 is a plan view showing details of an example of an operation panel 15b of a digital copying machine which is Embodiment 7 of the image forming apparatus according to the present invention. The operation panel 15b includes a numeric keypad 77b capable of inputting characters, a conversion key 94 for converting characters input by the numeric keypad 77b, a confirmation key 78b for confirming a function change, and a set number of copies. A display panel 79 which is a display unit for displaying the number of unprocessed items, a clear key 81 for canceling some settings, an all clear key 82 for canceling all settings, and a start key 83 are provided. Yes.
[0070]
The operation panel 15b also selects a function for printing by adding a number indicating the number of sheets, selects a number input key / indicator 89 that lights when selected, and a function for printing the date. Selects the date input key / indicator 90 that lights up when it is selected and the function that prints characters, and uses the character input key / indicator 91 that lights up when selected and the function that prints characters An indicator lamp 92 indicating the type of hiragana / alphanumeric / katakana characters and the type / freedom of a sentence (word) to be printed, and a display panel 88 for displaying the number of printed sheets / date / sentence (word) Further, a function selection key 93 for selecting a function by turning on / off the indicator lamp 92 and selecting a fixed sentence (word) displayed on the display panel 88 is provided. Other configurations and some operations are the same as the configuration and some operations (FIG. 4) of the digital copying machine described in the first embodiment, and thus description thereof is omitted.
[0071]
FIG. 13 is a flowchart showing the operation of the digital copying machine having such a configuration. When the key of the operation panel 15 is operated during the printing process (S5 in FIG. 4), the operated key is the number input key / indicator 89 (S95), and the number is input by the ten key 77b. (S96) The input number is displayed on the display panel 88 as "1/30" (S96a). If the enter key 78b is operated in this state (S97), the printing process is continued until the unprocessed number from the initially set number reaches the input number (S96) (S98). Before the confirmation key 78b is operated, the characters displayed on the display panel 88 can be erased by the key operation.
[0072]
When the unprocessed number reaches the input number (S96) (S98), the controller 60 adds a function for adding a number indicating the input number (S96) and continues the printing process (S99). At the same time, the number input key / indicator 89 is blinked for 5 seconds (S100) and then turned on (S101).
The control unit 60 continues the printing process to which the function is added (S100), and if the printing process is completed (S102) without operating the key of the operation panel 15b during the printing process (S103), the number input is performed. The key / indicator 89 is turned off (S107), and the standby state is restored (FIG. 4). If a key on the operation panel 15b is operated during the printing process (S103), a process corresponding to the operated key is performed (S95).
[0073]
If the operated key is not the number input key / indicator 89 (S95), the control unit 60 executes a function changing process corresponding to the operated key (S104), and performs a printing process under the changed function condition. The operation panel 15b is not operated during the printing process (S106). When the printing process is completed (S105), the process returns to the standby state (FIG. 4). If a key on the operation panel 15 is operated during the printing process (S106), a process corresponding to the operated key is performed (S95).
[0074]
For example, if the number of sheets requested to be set first is 50 and it is necessary to input and add the number of sheets to the latter 30 sheets, the number of sheets to start entering the number of sheets after operating the number input key / indicator 89 If “30” is input with the numeric keypad 77 b and displayed on the display panel 88 as “1/30” for confirmation, the confirmation key 78 b is operated, and when the number of unprocessed items reaches 30, The input key / indicator 89 flashes after flashing for 5 seconds.
The user can add / delete the display contents on the display panel 88 before operating the confirmation key 78b.
[0075]
The display on the display panel 79 decreases as 29, 28, 27... According to the progress of the printing process.
The number indicating the number of sheets is additionally printed as “1/30” in the upper right corner as shown in FIG. It is also possible to perform additional printing such as “−1−” at the center of the lower end.
[0076]
In addition, when the number of copies of the document requested to be set first is 20, and the user wants to add a date to the last five copies, the user operates the date input key / indicator 90 and then starts the date input “5”. ”Is input using the numeric keypad 77b, and the date of the day is displayed on the display panel 88 for confirmation. When the confirmation key 78b is operated, the date input key / indicator 90 is displayed when the number of unprocessed items reaches 5. Flashes for 5 seconds and then lights up, and the date of the day is additionally printed on the last 5 copies.
The user can add / delete the display contents on the display panel 88 before operating the confirmation key 78b.
[0077]
In addition, when the user initially requests 30 sheets and wants to additionally print “conference material” with “standard” sentences (words) from the fifteenth sheet, after operating the character input key / indicator 91 Then, the “typical” sentence (word) of “Hiragana” is displayed on the display panel 88 and selected by the function selection key 93, the number “15” to start character input is input by the numeric keypad 77b, and the enter key 78b is operated. In other words, when the unprocessed number reaches 15, the character input key / indicator 91 blinks for 5 seconds and then lights up.
As shown in FIG. 14B, “standard” sentences (words) are additionally printed with “conference material” in the upper right corner.
The user can add / delete the display contents on the display panel 88 before operating the confirmation key 78b.
[0078]
【The invention's effect】
Book According to the image forming apparatus of the present invention, even if it is necessary to change the number of copies during the printing process (during image formation), the printing process is temporarily interrupted by the interruption process like the conventional analog copying machine, and the additional portion After performing the printing process, it is not a complicated process of printing an unprocessed document with the changed number of copies, and the printing process is executed by changing the number of copies without stopping the operation during the processing. The printing process can be terminated.
[0079]
Book According to the image forming apparatus of the present invention, even if it is necessary to change the number of copies during the printing process (during image formation), the printing process is executed by changing the number of copies without stopping the operation during the processing. The printing process can be terminated.
[0080]
Book With the image forming apparatus according to the invention, it is possible to check the progress of the printing process after the number of copies is changed.
[0081]
Book According to the image forming apparatus of the present invention, the changed number of copies and the changed function can be confirmed.
[0082]
Book According to the image forming apparatus according to the invention, it is possible to select a sheet according to the magnification for a function change, particularly a change accompanied by a magnification change, and prevent a lack of printing even when the magnification is changed. I can do it.
[0083]
Book According to the image forming apparatus of the present invention, it is possible to notify in advance of the shortage of paper for completing the printing process under the changed conditions, and it is possible to prevent the interruption due to the shortage of paper from being left unattended.
[0084]
Book According to the image forming apparatus of the invention, it is easy to sort processed paper, and the sorting process can be performed in a short time.
[0085]
Book According to the image forming apparatus of the present invention, the changed number of copies and the changed contents can always be confirmed, and mistakes can be prevented.
[0086]
Book With the image forming apparatus according to the invention, the changed contents can be confirmed after the printing process is completed.
[0087]
Book According to the image forming apparatus of the present invention, additional data can be created by easily processing and correcting the image data stored in the storage unit.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a main configuration of a digital copying machine as an embodiment of an image forming apparatus according to the present invention.
FIG. 2 is a schematic diagram showing a cross-sectional configuration of the digital copying machine shown in FIG.
FIG. 3 is a plan view showing details of an example of an operation panel.
4 is a flowchart showing the operation of the digital copying machine shown in FIG.
FIG. 5 is a flowchart showing the operation of the digital copying machine shown in FIG. 1;
6 is a flowchart showing the operation of the digital copying machine shown in FIG.
7 is a flowchart showing the operation of the digital copying machine shown in FIG.
FIG. 8 is a flowchart showing the operation of the digital copying machine shown in FIG.
FIG. 9 is a flowchart showing the operation of the digital copying machine shown in FIG. 1;
FIG. 10 is a plan view showing details of an example of an operation panel.
FIG. 11 is a flowchart showing the operation of the digital copying machine shown in FIG. 1;
FIG. 12 is a plan view showing details of an example of an operation panel.
13 is a flowchart showing the operation of the digital copying machine shown in FIG.
14 is an explanatory diagram for explaining the operation of the digital copying machine shown in FIG. 1; FIG.
[Explanation of symbols]
10 CPU (Central Processing Unit)
12 Operation keys
14 Operation unit
15, 15a, 15b Operation panel
19 Output tray sensor
23 Hard disk device (storage unit)
30 Digital copier
32 Image data output unit (laser recording unit)
60 Control unit
62 Image processing unit
63 Main memory (storage unit)
71 Copies change key
72, 72a Function change key
77, 77a, 77b numeric keypad
78, 78a, 78b Confirmation key
79,88 (Normal) display panel
79a Addition / correction display panel (change display)
80 Error indicator
85 Tray selection key
85a Tray position indicator
85b Output tray selection key
85c Output tray position indicator

Claims (10)

The image data of the original is stored in the storage unit, the image data stored in the storage unit is read based on the condition including the set number of copies, and the unprocessed number of copies is displayed on the display unit while displaying on the display unit. In an image forming apparatus for forming an image on
A receiving unit that receives the change of the condition and the application start part value of the changed condition during image formation , and whether the unprocessed number has reached the application start part value received by the reception unit. An image forming apparatus comprising: a determination unit that determines ; and a continuation unit that continuously forms an image based on a changed condition received by the reception unit when it is determined that the determination unit has reached . When the condition for accepting the change is an increase in the number of copies, the accepting unit sets the application start part value to 0, and when the condition for accepting the change is a reduction in the number of copies, the application start part value is The value obtained by executing the reduction for the number of copies set as input is set. When the condition for accepting the change is the reduction, the image forming should be terminated when the determination unit determines that the value has been reached. The image forming apparatus according to claim 1 . When the condition for accepting the change is an increase / decrease in the number of copies, the means for executing the increase / decrease in the unprocessed number, and the value obtained by executing the means are replaced with the unprocessed number. The image forming apparatus according to claim 1, further comprising means for displaying on the display unit . Based on the condition that the accepting means accepts the change, when the continuation means starts image formation, a means for blinking the indicator lamp related to the change for a predetermined time, and when the predetermined time has passed, the display The image forming apparatus according to claim 1, further comprising means for lighting a lamp . Means for determining whether or not the condition for accepting the change by the accepting means requires a change of paper; and means for selecting a paper according to the condition when the means judges that the change is necessary The image forming apparatus according to claim 1, wherein the image forming apparatus is configured to form an image on a selected sheet . When the accepting means accepts the change, the means for detecting the remaining amount of paper to be imaged in accordance with the change, and the remaining amount detected by the means is the amount of paper to be imaged in accordance with the change. 6. The apparatus according to claim 1, further comprising: a unit that determines whether the sheet is less than or not, and when it is determined that the unit is less than, the shortage of the sheet is displayed. Image forming apparatus . When the image forming is started based on the condition that the accepting unit accepts the change, the image forming apparatus further includes a unit that changes the paper discharge tray, and the paper on which the image is formed based on the condition is placed on the paper discharge tray changed by the unit. The image forming apparatus according to claim 1, wherein the image forming apparatus is to be discharged . The image forming apparatus according to claim 1, further comprising a change display unit that displays the change contents when the receiving unit receives the change . When the image forming based on the condition that the receiving unit has received the change is completed, the image forming apparatus further includes a unit that detects the presence or absence of the paper on a paper discharge tray from which the paper on which the image is formed based on the condition is discharged, 9. The image forming apparatus according to claim 8, wherein the change display unit displays the contents of the change until the means detects nothing . Means for displaying characters or images, adding means for adding the characters or images displayed by the means to the image data stored in the storage unit, and erasing means for erasing the characters or images added by the adding means. Further, the condition for the accepting means to accept the change includes addition of a character or image by the adding means and erasure of a character or image by the erasing means, and when the accepting means accepts the addition or erasure The image forming apparatus according to any one of claims 1 to 9, wherein image formation is continuously performed based on the addition or deletion .

Images