JP2013074333A - Image forming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image forming apparatus which can notify a previous user of information that a document is forgotten to be removed.SOLUTION: An image forming apparatus comprises: a log-in/log-out processing unit 92 for executing log-in/log-out processing; a storage unit 80 for storing information that a document is forgotten to be removed in the case where presence/non-presence sensors 110 and 120 detect there is a document or an image forming medium when the processing unit 92 executes log-out processing; a determination unit 95 for comparing user identification information by a user authentication section 91 when next log-in processing is executed by the processing unit 92 with user identification information at the previous log-in/log-out processing and determining matching/mismatching of both of the user identification information; a transmission control unit 94 for controlling a transmission section 100 to send the unremoved information to a user at the previous log-in/log-out processing when mismatching of both of the user identification information is determined; and a notification control unit 97 for controlling a notification section 73 to notify of the unremoved information when matching of both of the user identification information is determined.

Description

  The present invention relates to an image forming apparatus such as a copier or a printer that forms an image on an image forming medium such as paper.

For example, in a copying machine, when a user places a document on a document placement unit or a reading glass surface of an automatic document feeder (ADF) and performs copying on a sheet or the like, the document is stored on the ADF. There is a case where the document is forgotten from the document stacking unit or the reading glass surface and the document is left for a long time.
Also in a printer, an image forming medium such as paper discharged to a paper discharge stacking unit after an image is formed may be forgotten from the paper discharge stacking unit and left for a long time.

  In order to prevent such forgetting to remove the original or the image forming medium, a sensor for detecting the presence or absence of the image forming medium on the original stacking portion of the ADF in the copying machine, the original on the reading glass surface, or the discharge stacking portion in the printer. If the sensor detects that the document or image forming medium has been left for a predetermined time or longer, it sends information about forgetting to remove the document or image forming medium to the login user via a communication network such as a LAN. Have been proposed (see, for example, Patent Documents 1 and 2).

JP 2002-67457 A JP 2009-100024 A

  However, in the image forming apparatuses disclosed in Patent Documents 1 and 2, the elapse of a predetermined time is used as a trigger for transmitting and notifying information on forgetting to remove a document or an image forming medium. For this reason, a document or image forming medium that has been forgotten by another user (including the next logged-in user or another user who has noticed forgetting to remove) has been removed before the predetermined time has elapsed. In such a case, it may not be possible to send the forgotten information to the previous login user for notification.

  An object of the present invention is to provide an image forming apparatus capable of more reliably transmitting and notifying forgotten information to a previous login user.

  The present invention includes a presence / absence sensor that detects whether or not a document or an image forming medium is in a placement unit where an image forming medium on which a document or an image is formed is disposed, a user authentication unit that authenticates user identification information, A login / logout processing unit that executes login processing and logout processing based on authentication of user identification information by the user authentication unit, and a document or image forming medium when logout processing is performed by the login / logout processing unit When the presence / absence sensor detects that the document or image forming medium has been forgotten to be removed, the storage unit stores forgetting information indicating that the forgetting to remove the document or the image forming medium is detected, and the login / logout processing unit When the login process is performed, the user identification information by the user authentication unit and the previous login / log The user identification information at the time of the out process is compared to determine whether the two user identification information matches or does not match, the transmission unit that performs predetermined transmission, and the two user identification information do not match. A transmission control unit that causes the transmission unit to transmit the forgetting information stored in the storage unit to a user at the previous login / logout process when the determination unit determines that there is a predetermined notification And a notification control unit that notifies the notification unit of the forgetting information stored in the storage unit when the determination unit determines that the user identification information matches. The present invention relates to an image forming apparatus.

  Moreover, it is preferable that the said alerting | reporting control part alert | reports the said forgetting information memorize | stored in the said memory | storage part to the said alerting | reporting part, when the said determination part determines that both user identification information is inconsistent.

  The information processing device may further include an information erasure unit that erases the forgotten information from the storage unit after the determination unit determines that the user identification information is inconsistent and the forgotten information is transmitted and notified. preferable.

  According to the present invention, it is possible to provide an image forming apparatus capable of more reliably transmitting and notifying forgotten information to the previous login user.

1 is a diagram illustrating an overall configuration of a copier 1 according to an embodiment of an image forming apparatus of the present invention. 2 is a block diagram showing a functional configuration of the copier 1. FIG. FIG. 3 is a diagram for explaining a mail server 300 connected to the copy machine 1. 4 is a flowchart for explaining an operation including notification or display and deletion of forgotten document information of the copier 1.

  A copier according to an embodiment of an image forming apparatus of the present invention will be described below with reference to the drawings. First, the overall configuration of the copy machine 1 will be described. FIG. 1 is a diagram for explaining the overall configuration of a copier 1 according to an embodiment of an image forming apparatus of the present invention.

As shown in FIG. 1, the copier 1 includes a document transport unit 10, a document reading unit 20, a paper transport unit 30, an image forming unit 40, a transfer unit 50, and a fixing unit 60.
The document transport unit 10 is an ADF (Auto Document Feeder), and includes a document placement unit 11, a first feed roller 12, a guide 13, a timing roller pair 14, and a document discharge unit 15. The first feed roller 12 supplies the document G placed on the document placement unit 11 to the timing roller pair 14 one by one in order. The timing roller pair 14 is a timing at which the document reading unit 20 reads an image of the document G and a timing at which the document G is supplied to a position where the image of the document G is read by the document reading unit 20 (a position where the guide 13 is disposed). In order to match, the conveyance of the original G or the conveyance stop of the original G is performed. The guide 13 guides the conveyed document G to a first reading surface 21a described later. The document discharge unit 15 discharges the document G whose image has been read by the document reading unit 20 (passed through the guide 13) to the outside of the copier body 2.
A document stacking unit (arrangement unit) 16 is formed outside the copying machine main body 2 in the document discharge unit 15. In the document stacking unit 16, the documents G discharged from the document discharge unit 15 are stacked and stacked.

  The document reading unit 20 includes a first reading surface 21a and a second reading surface (arrangement unit) 22a. The first reading surface 21 a is formed along the upper surface of the first contact glass 21 disposed to face the guide 13 and serves as a surface for reading an image of the document G. The second reading surface 22a is disposed adjacent to the first reading surface 21a (in the case shown in FIG. 1, over the most right side of the first reading surface 21a). The second reading surface 22 a is used when reading an image of the document G without using the document transport unit 10. The second reading surface 22a is formed along the upper surface of the second contact glass 22 on which the document G is placed, and serves as a surface for reading an image of the document G.

  The document reading unit 20 includes an illumination unit 23, a first mirror 24, a second mirror 25, a third mirror 26, an imaging lens 27, and an imaging unit 28 inside the copier body 2. . The illumination unit 23 and the first mirror 24 move in the sub-scanning direction X, respectively. The second mirror 25 and the third mirror 26 are disposed on the left side of the illumination unit 23 and the first mirror 24 in FIG. Further, the second mirror 25 and the third mirror 26 are the first reading surface 21 a or the second reading surface 22 a through the first mirror 24, the second mirror 25, the third mirror 26, and the imaging lens 27. To the imaging unit 28 while moving in the sub-scanning direction X while keeping the distance (optical path length) constant.

  The illumination unit 23 is a light source that irradiates the original G with light. The first mirror 24, the second mirror 25, and the third mirror 26 are mirrors for guiding the light reflected by the document G to the imaging lens 27 while keeping the optical path length constant. The imaging lens 27 focuses the light incident from the third mirror 26 on the imaging unit 28. The imaging unit 28 is an imaging device for obtaining image data based on an imaged optical image by converting incident light into an electrical signal. For example, the imaging unit 28 is a CCD (Charge Coupled Device) or a CMOS (Complementary). It is an image sensor such as Metal Oxide Semiconductor).

The paper transport unit 30 includes a second feed roller 31, a third feed roller 32, a registration roller pair 33, and a paper discharge unit 34. The second feed roller 31 supplies the paper T (image forming medium) stored in the paper feed cassette 36 to the transfer unit 50. The third feed roller 32 supplies the paper T (image forming medium) placed on the manual feed tray 37 to the transfer unit 50. The registration roller pair 33 performs the conveyance of the paper T or the conveyance stop of the paper T in order to match the timing at which the toner image is formed on the transfer unit 50 and the timing at which the paper T is supplied to the transfer unit 50. Further, the registration roller pair 33 performs skew (oblique feeding) correction of the paper T. The paper discharge unit 34 discharges the paper T on which the toner image is fixed to the outside of the copier body 2.
A paper discharge stacking unit 35 is formed outside the copier body 2 in the paper discharge unit 34. In the paper discharge stacking unit 35, the paper T discharged from the paper discharge unit 34 is stacked and stacked.

  The image forming unit 40 includes a photosensitive drum 41 (41a, 41b, 41c, 41d), a charging unit 42, a laser scanner unit 43, a developing device 44, a cleaning unit 45, a toner cartridge 46, and a primary transfer. A roller 47 (47a, 47b, 47c, 47d), an intermediate transfer belt 48, and a counter roller 49 are provided.

The photoconductor drum 41 (41a, 41b, 41c, 41d) functions as a photoconductor or an image carrier in order to form toner images of black, cyan, magenta, and yellow, respectively. Around each photosensitive drum 41a, 41b, 41c, 41d, in order from the upstream side to the downstream side along the rotation direction of the photosensitive drum 41, a charging unit 42, a laser scanner unit 43, a developing device 44, A cleaning unit 45 is disposed. The charging unit 42 charges the surface of the photosensitive drum 41. The laser scanner unit 43 is arranged apart from the surface of the photosensitive drum 41 and scans and exposes the surface of the photosensitive drum 41 based on image data relating to the original G read by the original reading unit 20. As a result, the exposed portion of the charge is removed from the surface of the photosensitive drum 41 to form an electrostatic latent image. The developing device 44 forms a toner image by attaching toner to the electrostatic latent image formed on the surface of the photosensitive drum 41. The cleaning unit 45 removes toner and the like remaining on the surface of the photosensitive drum 41 after the surface of the photosensitive drum 41 is neutralized by a static eliminator (not shown).
The toner cartridge 46 stores toner of each color supplied to the developing device 44. The toner cartridge 46 and the developing device 44 are connected by a toner supply path (not shown).

  The primary transfer rollers 47 (47a, 47b, 47c, 47d) are arranged on the opposite sides of the intermediate transfer belt 48 from the photosensitive drums 41a, 41b, 41c, 41d, respectively. The intermediate transfer belt 48 is a belt that passes through the image forming unit 40 and the transfer unit 50. A part of the intermediate transfer belt 48 is sandwiched between the photosensitive drums 41a, 41b, 41c, and 41d and the primary transfer rollers 47a, 47b, 47c, and 47d, and the photosensitive drums 41a, 41b, 41c, and 41d. The toner image formed on the surface is primarily transferred. The opposing roller 49 is a driving roller that is disposed inside the intermediate transfer belt 48 having an annular shape, and advances the intermediate transfer belt 48 in the direction of arrow A shown in FIG.

  The transfer unit 50 includes a secondary transfer roller 51. The secondary transfer roller 51 is disposed on the opposite side of the intermediate transfer belt 48 from the opposing roller 49, and a part of the intermediate transfer belt 48 is sandwiched between the opposing roller 49. Further, the secondary transfer roller 51 secondarily transfers the toner image primarily transferred to the intermediate transfer belt 48 onto the paper T.

  The fixing unit 60 includes a heating rotator 61 and a pressure rotator 62. The heating rotator 61 and the pressure rotator 62 sandwich the paper T on which the toner image is secondarily transferred, melt and pressurize the toner, and fix the toner to the paper T.

Next, the functional configuration of the copy machine 1 will be described. FIG. 2 is a block diagram showing a functional configuration of the copy machine 1. FIG. 3 is a diagram for explaining the mail server 300 connected to the copy machine 1.
As shown in FIG. 2, the copier 1 includes the above-described components (a document transport unit 10, a document reading unit 20, a sheet transport unit 30, an image forming unit 40, a transfer unit 50, and a fixing unit 60). The engine unit 3 is configured by the paper transport unit 30, the image forming unit 40, the transfer unit 50, and the fixing unit 60. Note that the description of the components described with reference to FIG. 1 is omitted.

A document stacking unit 16 in the document transport unit 10 is provided with a first document presence / absence sensor 110 that detects the presence / absence of the document G discharged from the document discharge unit 15. The second reading surface 22a of the document reading unit 20 is also provided with a second document presence / absence sensor 120 that detects the presence / absence of the document G from which an image is read. Optical sensors are used as the first document presence sensor 110 and the second document presence sensor 120.
Further, the copier 1 includes an operation panel 70, a storage unit 80, a control unit 90, and an interface unit (transmission unit) 100 in addition to the functional configuration described above.

The operation panel 70 includes an operation unit 71, a user identification information reading unit 72 that reads user identification information, and a display unit (notification unit) 73.
The operation unit 71 includes a numeric keypad (not shown), a touch panel (not shown), a start key (not shown), and the like. The numeric keypad is operated to input numbers such as the number of copies. The touch panel displays a plurality of keys to which various functions (for example, a function for setting a copy magnification and a function for allocating a plurality of pages to one sheet of paper T (such as 2 in 1)) are assigned. A key displayed on the touch panel is operated to cause the copier 1 to execute any of various functions. The start key is operated to execute a copy operation. When any key is operated, the operation unit 71 transmits a signal indicating that this key is operated to the control unit 90.

The user identification information reader 72 is a card reader such as an RFID (Radio Frequency Identification) reader, for example. The user identification information reading unit 72 reads different identification information for each user stored in the authentication card 130 owned by a plurality of users. The authentication card 130 is, for example, an IC card or an ID card.
The display unit 73 displays various types of information related to the operation, and also displays, for example, text forgetting document information, which will be described later, using characters or the like.

  The storage unit 80 includes a hard disk, a semiconductor memory, and the like. The storage unit 80 stores image data based on the document G read by the document reading unit 20. Further, the storage unit 80 stores a control program used in the copier 1, data used by the control program, and the like.

The storage unit 80 stores user identification information (attribute information) in advance. The user identification information is, for example, personal data such as a user name, a department to which the user belongs, a telephone number, an extension number, and an e-mail address.
Furthermore, the storage unit 80 has a temporary storage area 81 for temporarily storing user identification information and document take-out information written by a writing / reading unit 93 described later.

  As shown in FIG. 3, a mail server 300 having a mail account 301 that stores a mail address that is one of user identification information is connected to the interface unit 100 via a communication network NW such as a LAN. The interface unit 100 performs predetermined transmission / reception with the mail server 300. The mail account 301 is set for each of a plurality of users who use the copy machine 1.

The control unit 90 controls the document conveying unit 10, the document reading unit 20, the engine unit 3, the operation panel 70, and the like.
2, the control unit 90 includes a user authentication unit 91, a login / logout processing unit 92, a writing / reading unit 93, a communication control unit (transmission control unit) 94, and a determination unit 95. A display control unit 97 as a notification control unit, and an information erasing unit 98.
The user authentication unit 91 authenticates the user identification information read by the user identification information reading unit 72.

  The login / logout processing unit 92 executes the login process based on the user authentication unit 91 authenticating the user identification information, and also executes the logout process. The login / logout processing unit 92 executes login processing to the copying machine 1 when the user identification information input to the copying machine 1 matches the user identification information stored in the storage unit 80 in advance. Further, the login / logout processing unit 92 executes logout processing from the copier 1 based on the user's operation.

  The writing / reading unit 93 writes the user identification information in the temporary storage area 81 of the storage unit 80 and the temporary storage area 81 of the storage unit 80 when the login / logout processing unit 92 performs the login process. It is possible to read the written user identification information. That is, the writing / reading unit 93 can write and read the user identification information during the user login after the login process is performed until the logout process is performed.

  Further, the writing / reading unit 93, when the logout process is executed by the login / logout processing unit 92, when the first document presence sensor 110 and / or the second document presence sensor 120 detects that there is a document. The forgetting to remove the document is detected, and the forgetting to remove document information is stored in the temporary storage area 81 of the storage unit 80 together with the identification information of the logged-in user.

  When the login process is performed by the login / logout processing unit 92, the communication control unit 94 writes identification information including the email address of the login user into the mail account 301 via the interface unit 100, Thus, it is possible to read the identification information including the user's mail address stored in the mail account 301. That is, the communication control unit 94 can write and read the identification information including the user's mail address during the user login from the login process to the logout process.

  The communication control unit 94 uses the Simple Mail Transfer Protocol (SMTP) when accessing the mail account 301 via the interface unit 100 and writing user identification information. On the other hand, the communication control unit 94 uses the POP 3 when accessing the mail account 301 via the interface unit 100 and reading the user identification information.

  Further, the communication control unit 94 uses the login / logout processing unit 92 to store the user identification information read from the storage unit 80 by the writing / reading unit 93 in the mail account 301 via the interface unit 100. The identification information of the authenticated user is stored in the mail account 301.

When the login process is performed by the login / logout processing unit 92, the determination unit 95 includes the user identification information authenticated by the user authentication unit 91, the user identification information authenticated during the previous login / logout process, Are compared to determine whether the identification information of both users matches or does not match.
That is, the determination unit 95 is detected by the first document presence / absence sensor 110 and / or the second document presence / absence sensor 120 when the login / logout processing unit 92 executes the next (current) login process. In this case, whether or not the user identification information stored in the temporary storage area 81 of the storage unit 80 and read by the writing / reading unit 93 at the time of the previous logout process matches the current user identification information. Determine.

Here, when the determination unit 95 determines that the identification information of both users does not match, the writing / reading unit 93 stores the identification information of the previous login user stored in the temporary storage area 81 of the storage unit 80 and Read out forgotten document information.
In addition, when the determination unit 95 determines that the identification information of both users does not match, the communication control unit 94 selects any one mail address from among a plurality of user mail addresses stored in the mail account 301. The user forgets to remove the document from the interface unit 100 via the communication network NW such as a LAN, and notifies the selected user. That is, the communication control unit 94 sends the interface unit 100 the mail address and the forgetting document information included in the previous login user identification information read from the temporary storage area 81 of the storage unit 80 by the writing / reading unit 93. To the mail account 301.

  The display control unit 97 writes the document both when the determination unit 95 determines that the identification information of both users matches, and when the determination unit 95 determines that the identification information of both users does not match. Control is performed so that the document removal forgetting information read from the temporary storage area 81 of the storage unit 80 by the merge reading unit 93 is displayed on the display unit 73 of the operation panel 70 together with the identification information of the previous login user.

  The information erasure unit 98 erases the previous logged-in user identification information and the document removal forgotten information read from the temporary storage area 81 of the storage unit 80 by the writing / reading unit 93. That is, the information erasure unit 98 erases the original document forgetting information from the storage unit 80 after the determination unit 95 determines that the user identification information is inconsistent and the forgetting information is transmitted and notified.

  Next, the operation of the copy machine 1 in this embodiment will be described. FIG. 4 is a flowchart for explaining an operation including notification or display and deletion of forgotten document information of the copying machine 1.

  In step ST <b> 11, the login / logout processing unit 92 executes login processing based on the user authentication unit 91 authenticating the user identification information read by the user identification information reading unit 72.

In step ST12, the document G is present on the document stacking unit 16 in the document transport unit 10 by the first document presence sensor 110 or on the second reading surface 22a of the document reading unit 20 by the second document presence sensor 120. Whether or not the document G is forgotten to be removed is detected.
If the result of detection is that there is no document G (NO), the process proceeds to step ST17. On the other hand, if there is a document G (YES), the process proceeds to step ST13.

In step ST13, the writing / reading unit 93 reads the previous user identification information stored in the temporary storage area 81 of the storage unit 80 during the previous logout process. The determination unit 95 compares the read identification information of the previous user and the identification information of the current user, and determines whether the identification information of both users is the same or not.
As a result of determination by the determination unit 95, when it is determined that the identification information of both users does not match (NO), the process proceeds to step ST15 via step ST14. On the other hand, if it is determined that the identification information of both users matches (YES), the process proceeds to step ST15 without going through step ST14.

  In step ST14, the communication control unit 94 displays the e-mail address and the document forgetting information included in the previous login user identification information read from the temporary storage area 81 of the storage unit 80 by the writing / reading unit 93, as the interface unit. Write to the mail account 301 via 100. That is, the communication control unit 94 selects any one mail address from among a plurality of user mail addresses stored in the mail account 301, and sends the forgetting document information to the selected user. The data is exported (transmitted) via a communication network NW such as a LAN and notified. After notification, the process proceeds to step ST15.

  In step ST <b> 15, the display control unit 97 displays the document take-forget information and the previous login user identification information read from the temporary storage area 81 of the storage unit 80 by the writing / reading unit 93 on the display unit 73 of the operation panel 70. To display. After the display, the process proceeds to step ST16.

  In step ST16, the information erasure unit 98 erases (clears) the login user identification information and the document forgetting information after the display process in step ST15 from the temporary storage area 81 of the storage unit 80.

  In step ST17, the control unit 90 controls operations of the document conveying unit 10, the document reading unit 20, the engine unit 3, the operation unit 71, and the like. As a result, a series of copying operations including document conveyance, document reading, sheet conveyance, image formation, transfer, and fixing is started.

  In step ST18, when the set number of copies is completed, the control unit 90 stops the operations of the document conveying unit 10, the document reading unit 20, the engine unit 3, the operation unit 71, and the like, thereby completing the copy operation. .

  In step ST19, after the copy operation is completed, the login / logout processing unit 92 executes logout processing from the copier 1 based on the user's operation.

In step ST20, after the logout process, the first document presence / absence sensor 110 determines whether or not the document G exists on the document stacking unit 16 in the document transport unit 10 (whether or not the document G is forgotten), or the second document presence / absence sensor. 120 detects whether or not the document G is present on the second reading surface 22a of the document reading unit 20 (whether or not the document G is forgotten).
As a result of the detection, if there is no document G (NO), all the processes are ended. On the other hand, if there is a document G (YES), the process proceeds to step ST21.

  In step ST21, the document take-out information is written in the temporary storage area 81 of the storage unit 80 together with the identification information of the current login user, and is stored until the next login process is performed.

As described above, according to the copying machine 1 of the present embodiment, the following effects are produced.
That is, the copying machine 1 according to the present embodiment detects the presence of the document G on the document stacking unit 16 in the document transport unit 10 or on the second reading surface 22a of the document reading unit 20. Document presence / absence sensor 110 and second document presence / absence sensor 120, user authentication unit 91 for authenticating user identification information, and login / logout processing for executing login processing and logout processing based on authentication of user identification information by user authentication unit 91 When the first document presence sensor 110 or the second document presence sensor 120 detects the presence of the document G when the logout processing is performed by the logout processing unit 92 and the login / logout processing unit 92, the document stacking unit 16 or forgetting information indicating that forgetting to remove the document G from the second reading surface 22a of the document reading unit 20 is detected is stored. When the storage unit 80 and the login / logout processing unit 92 perform the next login process, the user identification information by the user authentication unit 91 is compared with the user identification information at the previous login / logout process, When the determination unit 95 that determines whether the user identification information matches or does not match, and the determination unit 95 determines that the user identification information does not match, the user at the previous login / logout process Stored in the storage unit 80 when the communication control unit 94 for transmitting the forgetting information stored in the storage unit 80 to the interface unit 100 and the determination unit 95 determine that the user identification information matches. A display control unit 97 for notifying the display unit 73 of forgetting information.

  Therefore, by using user authentication by the user authentication unit 91 as a trigger for transmitting and notifying forgetting to take a document, it is possible to clarify the user who used the copier 1 while the forgotten document exists. it can. This makes it possible to transmit and notify the forgotten document information to the previous login user more reliably.

  Further, in the copier 1 of the present embodiment, the display control unit 97 displays the forgetting information stored in the storage unit 80 when the determination unit 95 determines that the user identification information does not match. To display. For this reason, even when the user identification information does not match, by displaying the forgotten information on the display unit 73, it is possible to prevent other users from accidentally taking away the original forgotten by the current login user. .

  Further, in the copying machine 1 according to the present embodiment, after the determination unit 95 determines that the user identification information does not match and the forgetting information is transmitted and notified, the information for deleting the forgetting information from the storage unit 80 is deleted. An erasing unit 98 is further provided. Therefore, by deleting the forgotten information from the temporary storage area 81 of the storage unit 80 after the transmission and display of the forgotten information, it is possible to use a small storage capacity as the temporary storage area 81 of the storage unit 80. Become.

In addition, this invention is not limited to embodiment mentioned above, It can implement with a various form.
For example, the notification unit is not limited to the display unit 73 that performs predetermined display, but may be a light emitting unit such as a speaker that outputs predetermined sound, a light emitting diode or a light bulb that performs predetermined light emission, and the like.
The placement unit is not limited to the document stacking unit 16 and the second reading surface 22a. For example, the document placing unit 11 on which a document before reading is placed, and a sheet (image forming medium) on which an image is formed are placed. The paper discharge stacking unit 35 may be used.

In the copying machine 1 of the present embodiment, the toner image is transferred to the paper T via the intermediate transfer belt 48 (indirect transfer method). However, the present invention is not limited to this form, and is formed on the photosensitive drum. The transferred toner image may be directly transferred to the paper T (direct transfer method).
The copier 1 of the present embodiment is configured to print one side of the paper T, but is not limited to this, and may be configured to print both sides of the paper.

Further, the image forming apparatus of the present invention is not limited to the copying machine 1 and the printer described above. In other words, the image forming apparatus of the present invention may be a multi-function device having a copy function, a facsimile function, a printer function, and a scanner function, or may be a facsimile.
The image forming medium on which the toner image is fixed by the image forming apparatus of the present invention is not limited to the paper T, and may be a film sheet such as an OHP (overhead projector) sheet.

DESCRIPTION OF SYMBOLS 1 ... Copy machine (image forming apparatus), 16 ... Document stacking unit (arrangement unit), 22a ... Second reading surface (arrangement unit), 73 ... Display unit (notification unit), 80 ... Storage unit, 81 ... Temporary storage area 91 ... User authentication unit, 92 ... Login / logout processing unit, 94 ... Communication control unit (transmission control unit), 95 ... Determination unit, 97 ... Display control unit (notification control unit), 98 ... Information erasing unit, 100 ... Interface unit (transmission unit), 110... First document presence sensor (presence sensor), 120,... Second document presence sensor (presence sensor)

Claims (3)

A presence / absence sensor for detecting whether or not there is a document or image forming medium in an arrangement portion where an image forming medium on which the document or image is formed is disposed;
A user authentication unit for authenticating user identification information;
A login / logout processing unit that executes login processing and logout processing based on authentication of user identification information by the user authentication unit;
When the log-in process is performed by the log-in / log-out processing unit, if the presence sensor detects that there is a document or an image forming medium, it detects that the document or the image forming medium has been forgotten to be removed from the placement unit. A storage unit for storing forgotten information indicating that;
When the next login process is performed by the login / logout processing unit, the user identification information by the user authentication unit is compared with the user identification information at the previous login / logout process, so that both user identification information is identical. A determination unit for determining whether or not a match is made; and
A transmission unit for performing predetermined transmission;
Transmission that causes the transmission unit to transmit the forgetting information stored in the storage unit to the user at the previous login / logout process when the determination unit determines that the user identification information does not match A control unit;
A notification unit for performing predetermined notification;
A notification control unit for notifying the notification unit of the forgetting information stored in the storage unit when the determination unit determines that both user identification information matches;
An image forming apparatus comprising: The image formation according to claim 1, wherein the notification control unit causes the notification unit to notify the forgetting information stored in the storage unit when the determination unit determines that the user identification information does not match. apparatus. The information processing unit further includes an information erasing unit that erases the forgetting information from the storage unit after the judging unit determines that the user identification information is inconsistent and the forgetting information is transmitted and notified. The image forming apparatus described.

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