JP2002362821A - Image forming device - Google Patents

Abstract

(57) [Summary] [Problem] To determine the position of an output sheet on a discharge tray,
An image forming apparatus capable of clearly notifying a user is provided. SOLUTION: Job information for distinguishing each job and position information for indicating in which position on a discharge tray an output sheet corresponding to each job is stacked are displayed on a display device. (Central processing unit 44). In this way, it is possible to easily recognize on which side of the stacking position the output sheets alternately stacked on the ejection tray are located.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus capable of guiding and displaying a discharge position of an output sheet placed on a discharge tray.

[0002]

2. Description of the Related Art In recent years, a composite printing apparatus (image forming apparatus) having a fax function, a printer function, and a copying function has been developed. Such a printing apparatus is connected to a plurality of terminal devices (a personal computer or the like) via a network, and can print or fax image data transmitted from each terminal. .

[0003] In such a printing apparatus, the distance from the terminal device is long, the user forgets to take an output sheet, or the receiving of the output sheet is postponed. In some cases, output sheets on which a plurality of types of image data having different attributes are printed are stacked one after another. Therefore, in order to avoid confusion of output sheets, a printing apparatus has been developed that classifies output sheets for each image data (changes the output tray for each image data) using a sorter having a plurality of output trays. I have.

However, in such a printing apparatus,
Since the number of discharge trays (the number of sorter bins) is limited, when printing a large amount of image data at a time, the output sheets cannot be classified for each image data. For this reason, in the conventional printing apparatus, when all the output trays are blocked by the output sheets, measures such as discharging all the output sheets to a specific tray without distinction of the image data are taken. Output sheet confusion could not be completely prevented. There is also a printing apparatus that includes only one discharge tray and changes the placement position of output sheets (position on the discharge tray) for each image data. That is, in this printing apparatus, the placement position of the output sheet is alternately shifted for each image data to avoid confusion.

[0005]

However, in the above-described conventional printing apparatus, the output sheet is normally discharged face-down (the printing surface faces downward). For this reason, in the method of distinguishing output sheets by alternately shifting the placement position on the discharge tray, it is necessary for the user to turn over the output sheets on the tray one by one to check the contents in order to identify his or her own output sheets. is there. For this reason, when the number of sheets (type of image data) is large, there is a problem that it takes time to find a target output sheet.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide an image forming apparatus capable of clearly informing a user of the position of an output sheet on a discharge tray. I do.

[0007]

According to the image forming apparatus of the present invention, the stacking position of output sheets on which an image is formed and discharged is alternately changed for at least one of jobs or sheet bundles. In an image forming apparatus having a paper discharge accommodating section for accommodating paper discharge and a display device for displaying information, job information for distinguishing each job and the output sheet corresponding to each job And a position information display means for displaying position information indicating which position on the discharge tray is stacked on the discharge tray on the display device.

In the image forming apparatus, the position information displayed on the display device includes information indicating the position of the output sheet on the discharge tray as counted from the top or bottom. It is possible to

Further, in the image forming apparatus, the information displayed on the display device can be constituted by job information and an image diagram showing a stacked state of the output sheets stacked on the discharge tray. It is.

In the image forming apparatus, the output sheets of the image diagram can be displayed in contact with each other for the same job, and can be displayed separately for different jobs.

In the image forming apparatus, the job information may be a file name.

In the image forming apparatus, the position information and the job information displayed on the display device can be selectively erased.

Further, in the image forming apparatus, when the state in which the output sheet does not exist on the discharge tray continues for a predetermined time, all the position information and job information displayed on the display device may be deleted. It is possible.

In the image forming apparatus, when the position information display displayed on the display device is selectively erased, the position information of the output sheet remaining on the discharge tray is updated. It is possible.

In the image forming apparatus, when the position of the discharge tray is raised without erasing the position information, the display device can display a guide for prompting the user to selectively delete the position information. .

In the present invention, the position information display means displays job information for discriminating each job and a position for indicating at which position on the discharge tray the output sheet corresponding to each job is stacked. The information and the information can be displayed on the display device, and it is possible to easily recognize which side of the stacking position the output sheets discharged and stacked on the discharge tray are located. Therefore, a desired output sheet can be searched out only by searching one side of the discharge tray, and the time for searching for the output sheet can be reduced.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an image forming apparatus according to the present invention will be described below with reference to the drawings. In the following embodiments, a digital multifunction peripheral will be described as an example of a typical image forming apparatus.

FIG. 1 is an explanatory diagram showing the configuration of a digital multifunction peripheral 1 according to an embodiment of the present invention. The digital multifunction peripheral 1 has functions as a copier, a printer, and a facsimile machine, and includes a scanner unit 200, a laser recording unit 210, and a post-processing device 260 as shown in FIG.

The scanner unit 200 is for reading a document image, and includes a scanner unit 110, a document placing table 111 made of transparent glass, and a two-sided automatic document feeder (RADF: Recycling Automatic).
atic DocumentFeeder) RADF1
12 are provided. The RADF 112 transfers the documents set on a predetermined document tray one by one to the document table 111.
And a function of carrying out the read original to the discharge tray. In addition, RADF112
It is also possible to turn over the original after reading, and transport the original again to the original placing table 111. Thus, the scanner unit 200 can read images existing on both sides of the document.

The scanner unit 110 disposed below the document placing table 111 is for reading a document image on the document placing table 111 for each line, and includes a first scanning unit 113, a second scanning unit 114, Optical lens 1
15 and a CCD line sensor 116.

The first scanning unit 113 is for exposing a document while moving at a constant speed V from left to right along the document table 111 in FIG. The first scanning unit 113 includes a light source (exposure lamp unit) and a first reflecting mirror for guiding the reflected light of the document to the second scanning unit 114. The second scanning unit 114 follows the first scanning unit 113
And a second reflecting mirror for guiding the light from the first reflecting mirror to the optical lens 115 and the CCD line sensor 116, and a third reflecting mirror.

The optical lens 115 serves to form an image of the reflected light from the third reflecting mirror on the CCD line sensor 116. The CCD line sensor (photoelectric conversion element) 116 is for converting light from the optical lens 115 into an analog electric signal. The electric signal is converted into digital image data by an image processing unit (not shown), stored in a memory (not shown), and output to the laser recording unit 210 in response to an output instruction. Further, the scanner unit 110 includes a RADF 112
The image of the document automatically conveyed by the first scanning unit 113 and the second scanning unit 114 can be read in a state where the first scanning unit 113 and the second scanning unit 114 are fixed at predetermined exposure positions.

The laser recording section 210 is for forming an image on a sheet (recording paper) based on image data, and includes a laser writing unit (LSU) 227, an electrophotographic processing section 230, and a sheet transport mechanism 250. Have. The LSU 227 irradiates a laser beam to the photosensitive drum 222 provided in the electrophotographic process unit 230 based on image data obtained from the scanner unit 200 or the outside to form an electrostatic latent image. is there. The LSU 227 includes a semiconductor laser light source for irradiating a laser beam, a polygon mirror for deflecting the laser beam at an equal angular speed, and a laser beam deflected at an equal angular speed to the photosensitive drum 2.
An f-θ lens or the like for correcting the light to be deflected at a constant angular velocity on the optical disk 22 is provided.

The electrophotographic process unit 230 includes a photosensitive drum 222, and has a function of developing an electrostatic latent image on the photosensitive drum 222 to generate a toner image and electrostatically transferring it to a sheet. I have. This electrophotographic processing unit 230
A charger 223 provided around the photosensitive drum 222;
Developing device 224, transfer device 225, cleaning device 226,
And a static eliminator 228.

The charger 223 charges the photosensitive drum 222 to a predetermined potential. Developing unit 224
Is for developing an electrostatic latent image on the photosensitive drum 222 with toner to generate a toner image. The transfer device 225 transfers the toner image on the photosensitive drum 222 to a sheet. The cleaning device 226 collects excess toner remaining after the transfer from the photosensitive drum 222.

The sheet transport mechanism 250 has a function of supplying a sheet to the electrophotographic processing unit 230, fixing an image transferred to the sheet, and discharging the sheet to the outside. The sheet transport mechanism 250 includes a transport unit 249, paper feed cassettes 251 to 253, a manual paper feed device 254, a fixing device 211, a re-supply path 221, a paper discharge roller 212, and a duplex copying unit 255.

The transport unit 249 includes the electrophotographic process unit 23
This is for conveying the sheet to a predetermined transfer position at 0 (the position where the transfer device 225 is disposed). The paper feed cassettes 251 to 253 are for storing sheets and feeding the sheets to the transport unit 249 at the time of transfer. The manual sheet feeding device 254 includes a transport unit 249.
To supply the sheet manually.

The fixing device 211 fixes the toner image transferred to the sheet by heating and pressing the sheet. The double-sided copying unit 255 includes a tray for double-sided copying. After the toner image is fixed, the sheet is resupplied to the transport unit 249 in order to form an image on the back surface of the sheet. In addition, the duplex copying unit 2
It is also possible to replace 55 with a normal paper cassette.

The re-supply path 221 is a path for switching back the sheet after image formation and conveying the sheet to the duplex copying unit 255. The paper discharge roller 212 is connected to the fixing device 2.
It is a conveyance roller for supplying the sheet discharged from the sheet 11 to the post-processing device 260 or the re-supply path 221. The post-processing device 260 performs post-processing such as stapling on the discharged sheet and discharges the sheet to one of the fixed tray 261 and the elevating tray 262.

Next, a control device for electrically controlling the digital multifunction peripheral 1 will be described. FIG. 2 is a block diagram of a control system showing a state in which each unit of the entire apparatus of the digital multi-function peripheral 1 is managed by the central processing unit 44. As shown in FIG. 2, the central processing unit 44 includes an image data input unit 40 (control unit of the scanner unit 200), an image processing unit 41, a main memory for storing image data, and an image data storage device 4 including a hard disk.
3, image data output unit 42 (control unit of LSU 227),
Each of the drive mechanism units constituting the digital multi-function peripheral 1 such as the RADF 112 and the post-processing device 260 is managed by sequence control, and outputs a control signal to each unit.

Further, an operation board unit 45 having an operation panel is connected to the central processing unit 44 so that they can communicate with each other. This operation board unit 45
Is for transferring a control signal to the central processing unit 44 in accordance with a user setting (copy mode content and the like) input to the operation panel. As a result, the central processing unit 44 controls the entire digital multi-function peripheral 1 to operate according to the settings of the user. Further, the central processing unit 44 generates a control signal indicating an operation state of the digital multi-function peripheral 1 and transmits the control signal to the operation board unit 45. In response to this signal, the operation board unit 45 displays the operation state of the digital multi-function peripheral 1 on the operation panel so that the user can grasp it.

FIG. 3 is a block diagram showing the configuration of the central processing unit 44 and the operation board unit 45 in the digital multi-function peripheral 1. As shown in FIG. 3, the central processing unit 44 includes a central processing unit (CPU) 106, a memory 107, a signal input circuit 108, and a load output circuit 1.
09. Further, the operation board unit 45 includes:
An operation panel 103 includes a touch panel liquid crystal display (LCD) 104 and operation keys 105, and an operation circuit board 100 includes a central processing unit (CPU) 101 and a memory 102 for controlling the operation panel 103.
Further, the CPU 106 of the central processing unit 44 and the CPU 101 of the operation board unit 45 are connected so as to be able to communicate with each other.

The memory 10 in the central processing unit 44
Reference numeral 7 denotes information for controlling the sequence of each drive mechanism of the digital multifunction peripheral 1, and tray information (paper size, paper type, remaining paper amount, etc.) of the digital multifunction peripheral 1 input from the signal input circuit 108. , Toner information, copy,
Printer (print job information), scanner, post-processing device information (post-processing type, discharge paper position information), job setting data such as FAX, LCD of operation board unit 45
And display information for performing display.

The CPU 106 controls each component based on the information and data so that the entire digital multifunction peripheral 1 operates according to the set mode. Then, in order to indicate the current state of the digital multifunction peripheral 1 to the user, information indicating the current operation state and an instruction to display the information are transmitted to the CPU 101 of the operation board unit 45. On the other hand, the memory 102 of the operation board unit 45 stores display-related data for realizing the display content specified by the CPU 106 of the central processing unit 44.

FIG. 4 is an explanatory diagram showing the operation panel 103 in the digital multi-function peripheral 1. The operation panel 103
As shown in FIG. 4, an LCD 104 is arranged on the left side, and ten keys 21 and a start key 2 are arranged on the right side.
4, clear key 25, interrupt key 22, and all cancel key 2
3 are arranged.

The LCD 104 is for switching and displaying various screens, as will be described later, and comprises a touch panel capable of graphic display. That is, in a plurality of screens displayed on the LCD 104,
Touch keys for setting various conditions and selecting desired display contents are arranged. And the user
By directly pressing the touch key with a finger, various conditions are set or selected.

The ten keys 21 of the operation keys 105 are used to input numerical values (such as the number of copies).
The start key 24 is a key for instructing the start of a copying operation. The clear key 25 is a key for clearing the setting of the copy condition displayed on the LCD 104 and for interrupting the copy operation. The all release key 23 is a key for returning the setting of the copy condition to a default value. The interrupt key 22 is a key for temporarily interrupting a copy in progress and allowing another copy.

Next, the sheet discharge control characteristic of the digital multifunction peripheral 1 will be described. Digital MFP 1
Is connected to a plurality of terminal devices (a personal computer or the like) via a network, and can print image data transmitted from each terminal (printer function). In such a printing process, the sheet is placed on the elevating tray 2.
62 (see FIG. 1).

FIG. 5 is an explanatory view showing the structure of the elevating tray 262. The lifting tray 262, as shown in FIG.
It can be moved up and down according to the amount of sheets to be placed. This is to prevent sheets placed on the elevating tray 262 from blocking a sheet discharge port (not shown) in the post-processing device 260.

The vertical movement of the lifting tray 262 is controlled by a lift mechanism 401. The lift mechanism 401 includes a belt 402 for holding the lifting tray 262 and a pulley 4 for stretching the belt 402.
03 and a motor 40 for driving the pulley 403
4 is provided. Further, a sheet detector 406 is provided on the sheet mounting surface of the lifting tray 262. Further, a height detector 405 for detecting the uppermost position of the placed sheet is provided on an upper portion of the elevating tray 262 (an outer wall of the post-processing device 260).

The lifting mechanism 401 is based on the detection result of the height detector 405 so that the position of the uppermost sheet of the sheet is always constant regardless of the amount of the sheet placed.
The position of is adjusted. That is, when a part of the sheet is removed from the lifting tray 262, the lifting mechanism 401 raises the lifting tray 262 until the uppermost portion of the sheet touches the lever of the height detector 405.

Thus, the height of the uppermost portion of the seat can always be kept at a constant position. The lifting of the elevating tray 262 by the lift mechanism 401 is performed one time after the height detector 405 detects that the uppermost part of the sheet has been lowered.
It is performed after a lapse of ２2 seconds. Thus, the lifting tray 262
The reason for delaying the rise is to obtain an accurate detection result, and also to prevent the user from injuring a finger or the like between the elevating tray and the conveying member when removing the paper. That's why.

Further, in the digital multi-function peripheral 1, when simultaneous printing of a plurality of sets of image data is performed, it is set so that offset discharge can be selected. The offset discharge is a discharge method that changes the placement position of the output sheet on the elevating tray 262 for each image data. In this discharge method, as shown in FIG. 6, the placement of the sheets is alternately shifted for each image data to avoid confusion of the sheets. Further, in the digital multi-functional peripheral 1, the position of the sheet placed on the elevating tray 262 is
The image data is set to be displayed on the LCD 104 for each image data.

FIG. 7 is an explanatory diagram showing a display on the LCD 104 when sheets (sheet bundles) corresponding to a plurality of image data are placed on the elevating tray 262. When sheets corresponding to a plurality of image data are placed on the elevating tray 262, as shown in FIG.
04, the entire digital multifunction peripheral 1 is displayed.
The setting is made so that a black circle “●” is displayed on the elevating tray 262 on the screen.

Then, when the user presses the "●", the LCD 104 displays the lifting tray 2 as shown in FIG.
An illustration indicating the sheet placement state at 62 is displayed. That is, as shown in FIG. 8, file names (AAA to AAA) indicating image data of each sheet are displayed on the LCD 104.
GGG) and position information R1 to R4, F1 to F4 indicating positions on the elevating tray 262 are displayed in association with each other. When printing two sheets of sheets corresponding to the same image data, these sheets are stacked one by one on the front side and the rear side of the elevating tray 262. At this time, the sheets (file name HHH) of the position information R3 and F3 are displayed on the screen of the LCD 104 shown in FIG. Thus, if the files are different, the sheet bundle is displayed separately, and if the files are the same, the sheet bundles are displayed in contact with each other. Here, “R” and “F” indicate that each sheet is on the rear side (rear side) or the front side (front side) of the elevating tray 262. The suffixes “1” to “4” of “R” and “F” indicate positions counted from below in each part. Although the position is counted from the bottom in the embodiment, the position may be counted from the top. However, if the position is counted from the top,
The position ranking must be updated for each new output.

FIG. 9 is a flowchart showing the operation in displaying the sheet placement position. Central processing unit 44
CPU 106 is not performing printing processing of digital multi-function peripheral 1 as shown in FIG. 9 (during idling)
Next, it is determined whether or not there is a sheet (paper) on the elevating tray 262 (S1, S2). And the elevating tray 262
If there is a sheet above, control the CPU 101 to
As shown in FIG.
“●” is displayed at a position corresponding to 62 (S3). Thereafter, when the user presses “●” on the LCD 104, the CPU 106 controls the CPU 101 to
As shown in FIG. 5, an illustration showing the state of the sheets placed on the elevating tray 262 is displayed on the LCD 104,
"Please specify the removed paper" is displayed (S
4, S5).

Next, the CPU 106 determines whether the end key and the file name shown in FIG. 8 have been pressed (S6,
S7). When the end key is pressed (S6), it is determined that the sheet bundle is not taken out, and the process returns to S1. On the other hand, when the end key is not pressed (S6) and the file name (for example, R2 of the position information) on the LCD 104 is pressed (S7), the CPU 106 controls the CPU 101, as shown in FIG. Then, a screen for allowing the user to select whether to delete the display corresponding to the pressed file name is displayed on the LCD 104 (S8).

When "YES" shown in FIG. 10 is pressed, the CPU 106 determines that the sheet corresponding to the pressed file name has been removed from the lifting tray 262 (S9). Then, the CPU 101 controls the CPU 101 to delete the display (position information R2) corresponding to the pressed file name as shown in FIG.
2 to update the position information of the remaining sheets (S1).
0), and return to S6. Thereafter, if it is determined that there are no more sheets on the lifting tray 262 (No in S2), the CPU 106 controls the CPU 101 to
"●" is deleted from the screen of 104 (S11).

On the other hand, if "NO" shown in FIG. 10 is pressed, the CPU 106 determines that the sheet is not taken out according to the pressed file name (S
13) Return to S6. Further, in S4, the CPU 106 keeps the elevating tray 262 until “●” is pressed.
I monitor the position of. When the lifting tray 262 moves up without pressing “●”, the CP
In U106, the user moves a part of the sheet up and down the tray 262.
Is determined to have been removed (S12). Then, "●"
The CPU 101 is controlled in the same manner as when
The display shown in FIG. 8 is performed to prompt the user to update the illustration display (update of the position information) indicating the sheet placement state on the elevating tray 262.

As described above, in the digital multi-function peripheral 1, sheets are alternately discharged to the front side and the rear side of the elevating tray 262. The discharge position (position on the tray) of each sheet and the file name are displayed on the LCD 104.
Is set to be displayed. Thus, the user can easily take out his / her own output sheet from the elevating tray 262.

In the present embodiment, the sheet placement state is displayed as an illustration. However, the display of the sheet placement state is not limited to this. As shown in FIGS. And file names in the form of a table.
4 may be displayed.

Further, in this embodiment, the sheet to be deleted from the screen is selected by pressing the file name displayed on the LCD 104, but the selection of the sheet is not limited to this, and as shown in FIG. Alternatively, a sheet may be selected using the up key 501 and the down key 502. As described above, when printing two copies of sheets corresponding to the same image data in the digital multi-function peripheral 1, these sheets are stacked one by one on the front side and the rear side of the elevating tray 262. As shown in FIG.
In the screen of No. 04, these sheets (file name HHH)
Are displayed in contact with each other. And FIG.
As shown in FIG. 7, both sheets can be selected only by pressing one sheet file.

In this embodiment, in order to delete the display corresponding to the removed sheet (the sheet to be removed) in S5 of the above-described processing procedure (see FIG. 9),
A message is transmitted to the user using the LCD 104. However, the method of transmitting the message to the user is not limited to this, and the message may be transmitted by generating sound from a speaker. Such a voice display is particularly effective for a user who forgets to turn off the display.

The operation of deleting the file name and the display position from the screen of the LCD 104 may be performed before or after the sheet on the lifting tray 262 is removed. In this case, a message "Specify the removed paper" is displayed, or a message "Specify the removed (removed) paper" is displayed.

When the sheet is removed from the lifting tray 262 after erasing the file name or the position information of the LCD 104, the lifting operation of the lifting tray 262 is performed after erasing the position information. In this case, since the position information has already been deleted, the above-described guidance display is not performed.

In the lifting tray 262, when the removal of all sheets is detected by the sheet detector 406,
If the file name and the position information remain on the LCD 104, all of the file name and the position information are erased after 3 to 5 seconds have elapsed. Thereby, incorrect display can be avoided. in this way,
The reason for not erasing the file name etc. immediately after detection by the sheet detector 406 is that while lifting the sheet on the tray,
This is to enable a search for a sheet.

In the above-described embodiment, the digital multi-function peripheral for processing the image data file has been described. Therefore, according to the present invention, for a job of a process related to image forming data, a guide display is provided as to where to discharge a sheet on which an image is formed by the process. The display of the sheet position shown on the LCD 104 is the position information, and the information indicating the data file contents (file name) is the job information.

[0058]

Since the image forming apparatus of the present invention has the above-described configuration, the following effects can be obtained. In other words, in the image forming apparatus of the present invention, the position information display means uses the job information for distinguishing each job and the position on the discharge tray where the output sheet corresponding to each job is stacked. Can be displayed on the display device. Therefore, it is possible to easily recognize which side of the stacking position the output sheets discharged and stacked alternately on the discharge tray are located. For this reason, a desired output sheet can be searched out only by searching one side of the discharge tray, so that the time for searching for the output sheet can be reduced.

In the image forming apparatus of the present invention, as the position information displayed on the display device, it is possible to indicate the position of the position of the output sheet on the discharge tray counted from either the top or the bottom. . Therefore, the position of the output sheet stacked on the discharge tray can be displayed in detail. Therefore, the user can very easily recognize where the output sheet is placed on the discharge tray.

Further, the image forming apparatus of the present invention can display, on a display device, job information and an image diagram showing a stacked state of output sheets stacked on a discharge tray. Therefore, the user can intuitively recognize where the output sheet is placed on the discharge tray.

Further, in the image forming apparatus of the present invention, the output sheets of the image diagram can be displayed in contact with each other for the same job, and can be displayed separately for different jobs. Therefore, the user can easily recognize whether or not the display sheet is for the same job.

Further, the image forming apparatus of the present invention can display a file name as job information. Therefore, the user can more easily recognize the position of his / her output sheet.

Further, the image forming apparatus of the present invention can selectively delete the position information and the job information displayed on the display device. Therefore, the display relating to the sheets already removed from the discharge tray can be deleted, and the stacked state of the output sheets can always be displayed correctly.

Further, the image forming apparatus of the present invention can erase all the position information and the job information displayed on the display device when no output sheet is present on the discharge tray for a predetermined time. . Therefore, even if the user forgets to delete the information, incorrect information display can be avoided. In addition, since the information is not erased unless the state where the output sheet does not exist continues for a predetermined time, even if the user performs the search while lifting the sheet,
There is no erasure of information.

Further, the image forming apparatus of the present invention, when selectively deleting the position information display displayed on the display device,
The position information of the output sheet remaining on the discharge tray can be updated. Therefore, accurate position information can always be displayed.

In the image forming apparatus of the present invention, when the position of the position information is not erased and the discharge tray rises, the display device can display guidance for prompting selection and erasure of the position information. Therefore, it is possible to prevent forgetting to erase the position information corresponding to the removed output sheet.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a configuration of a digital multifunction peripheral according to an embodiment of the present invention.

FIG. 2 is a block diagram of a control system showing a state in which each unit of the entire apparatus of the digital multi-function peripheral is operation-managed by a central processing unit.

FIG. 3 is a block diagram illustrating a configuration of a central processing unit and an operation board unit in the digital multifunction peripheral.

FIG. 4 is an explanatory diagram showing an operation panel in the digital multifunction peripheral.

FIG. 5 is an explanatory diagram showing a configuration of a lifting tray.

FIG. 6 is a perspective view of a discharge tray showing a state in which a sheet placement position is alternately shifted for each image data.

FIG. 7 is an explanatory diagram showing a display on the LCD.

FIG. 8 is an explanatory diagram showing a display on the LCD.

FIG. 9 is a flowchart illustrating an operation in displaying a sheet placement position.

FIG. 10 is an explanatory diagram showing a display on the LCD.

FIG. 11 is an explanatory diagram showing a display on the LCD.

FIG. 12 is an explanatory diagram showing a display on the LCD.

FIG. 13 is an explanatory diagram showing a display on the LCD.

FIG. 14 is an explanatory diagram showing a display on the LCD.

FIG. 15 is an explanatory diagram showing a display on the LCD.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Digital multifunction machine 21 Numeric keypad 22 Interrupt key 23 All release key 24 Start key 25 Clear key 40 Image data input part 41 Image processing part 42 Image data output part 43 Image data storage device 44 Central processing unit 45 Operation board unit 100 Operation circuit Substrate 101 CPU 102 Memory 103 Operation panel 104 Touch panel liquid crystal display (LCD) 105 Operation keys 106 CPU 107 Memory 108 Signal input circuit 109 Load output circuit 110 Scanner unit 111 Original mounting table 112 RADF 113 First scanning unit 114 Second scanning unit 115 Optical lens 116 CCD line sensor 200 Scanner unit 210 Laser recording unit 211 Fixing unit 212 Discharge roller 221 Resupply path 222 Photoconductor drum 223 Charger 2 4 Developing unit 225 Transfer unit 226 Cleaning unit 227 Laser writing unit (LSU) 228 Static eliminator 230 Electrophotography process unit 249 Transport unit 250 Sheet transport mechanism 251, 252, 253 Paper cassette 254 Manual paper feed unit 255 Duplex copy unit 260 After Processing device 261 Fixed tray 262 Elevating tray 401 Lift mechanism 402 Belt 403 Pulley 404 Motor 405 Height detector 406 Sheet detector 501 Up key 502 Down key

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65H 39/11 B65H 39/11 P 5C062 G03G 15/00 530 G03G 15/00 530 21/00 386 21/00 386 H04N 1/00 108 H04N 1/00 108C 108L F-term (reference) 2C061 AP01 AP03 AP04 AP07 AQ06 AS02 CQ04 CQ05 CQ24 CQ30 CQ34 HJ06 HJ07 HN04 HN15 HN18 2H027 DA40 DC11 DC12 ED19 FA21 GA07 GA53 AGB18A18 FA03 FC08 3F050 AA09 BE02 BE12 CA08 CB05 CB06 CD09 LA02 LB01 3F107 AA01 AB01 AC02 AC03 AC04 BA02 CB04 5C062 AA02 AA05 AB23 AB35 AC15 AF00 BA04

Claims (9)

[Claims] 1. A discharge storage unit for storing discharge sheets on a discharge tray by alternately changing a stacking position of output sheets formed with images and discharging at least one of a job and a sheet bundle. In the image forming apparatus having a display device for displaying information, the job information for distinguishing each job and the output sheet corresponding to each job are stacked at any position on the discharge tray. An image forming apparatus, comprising: a position information display unit for displaying position information indicating whether or not the information is displayed on the display device. 2. The position information displayed on the display device,
2. The image forming apparatus according to claim 1, wherein the position of the output sheet on the sheet discharge tray is information indicating the position of the output sheet from the top or bottom. 3. The information displayed on the display device includes job information and an image diagram showing a stacked state of the output sheets stacked on the discharge tray. The image forming apparatus as described in the above. 4. The image forming apparatus according to claim 3, wherein the output sheets of the image diagram are displayed in contact with each other for the same job, and are displayed separately for different jobs. 5. The image forming apparatus according to claim 1, wherein the job information includes a file name. 6. The image forming apparatus according to claim 1, wherein the position information and the job information displayed on the display device can be selectively erased. 7. When a state in which the output sheet does not exist on the discharge tray continues for a predetermined time, all the position information and job information displayed on the display device are deleted. Any one of ~ 6
An image forming apparatus according to any one of the preceding claims. 8. The method according to claim 6, wherein the position information of the output sheet remaining on the discharge tray is updated when the position information display displayed on the display device is selectively erased. The image forming apparatus as described in the above. 9. The image according to claim 6, wherein, when the position of the discharge tray is raised without erasing the position information, a guidance display for prompting selection and erasure of the position information is displayed on the display device. Forming equipment.