JP6515869B2 - Image forming apparatus and information processing apparatus - Google Patents

Description

  The present invention relates to an image forming apparatus and an information processing apparatus.

  In an image forming apparatus typified by a multifunction machine, after an image of a document is read by an image reading unit, light is irradiated to a photosensitive member provided in the image forming unit based on the read image, and the image is read onto the photosensitive member. Form an electrostatic latent image. Thereafter, charged toner is supplied onto the formed electrostatic latent image to form a visible image, and then the toner is transferred and fixed to a sheet, and the sheet is discharged out of the apparatus.

  Here, some image forming apparatuses and information processing apparatuses that process information perform login authentication for use of a specific function and allow only specific users. In order to identify a user, some users have an identification mechanism that allows the user to enter a password, identifies whether the entered password matches the registered password, and performs authentication. The technique regarding the information processing apparatus which identifies a user is disclosed by Unexamined-Japanese-Patent No. 2015-114853 (patent document 1).

  According to Patent Document 1, the information processing apparatus stores user information including information for identifying a user and information indicating whether or not a password is received a plurality of times. The information processing apparatus is characterized by including a receiving unit, a determination unit, and a notification unit. The receiving unit receives an input of user identification information and a password from the user. The determination means determines whether or not to receive the password input multiple times based on the user identification information accepted by the acceptance means and the stored user information. When the judging means judges that the password is received a plurality of times, when the receiving means receives the input of the password, the notifying means notifies that the login has failed regardless of whether the password is correct or not.

JP, 2015-114853, A

  In the technology disclosed in Patent Document 1, it is determined whether to log in based on the number of times of password input. However, in such a configuration, if a malicious third party is made aware of the number of inputs, the malicious third party may be logged in. That is, such determination of login availability is insufficient from the viewpoint of security.

  An object of the present invention is to provide an image forming apparatus with improved security when authenticating a user.

  Another object of the present invention is to provide an information processing apparatus in which security at the time of user authentication is improved.

In one aspect of the present invention, an image forming apparatus includes an image forming unit, an operation unit, a password registration acceptance unit, a display control unit, a password input screen switching control unit, a determination unit, and an acceptance permission unit. , And a storage unit . The image forming unit forms an image. The operation unit includes a display screen for displaying information. The operation unit receives an input from the user. The password registration accepting unit associates the first password with the first password input screen and registers the password so that the second password different from the first password is associated with the second password input screen and registered. Accept registration. The display control unit controls to display a first password input screen or a second password input screen on the display screen. The password input screen switching control unit performs control to switch between the display of the first password input screen and the display of the second password input screen according to a predetermined condition. The determination unit determines whether or not the password input through the operation unit matches the first password registered by the password registration reception unit when the first password input screen is displayed by the display control unit. to decide. The determination unit determines whether or not the password input through the operation unit matches the second password registered by the password registration reception unit when the second password input screen is displayed by the display control unit. to decide. If the judging unit judges that the passwords match, the acceptance permitting unit permits acceptance of a request from the user regarding image formation by the image forming unit. The storage unit stores whether the permission of the previous acceptance by the acceptance unit is due to a match of the first password or a match of the second password. The display control unit controls to display a first password input screen next, when the storage unit stores that the permission of acceptance is due to the coincidence of the second password. The display control unit prohibits the display of the second password input screen until a predetermined period of time elapses, if the storage unit stores that the acceptance of the acceptance is due to the coincidence of the second password.

In another aspect of the present invention, an information processing apparatus includes an information processing unit, an operation unit, a password registration acceptance unit, a display control unit, a password input screen switching control unit, a determination unit, and an acceptance permission unit. , And a storage unit . The information processing unit processes information. The operation unit includes a display screen for displaying information. The operation unit receives an input from the user. The password registration accepting unit associates the first password with the first password input screen and registers the password so that the second password different from the first password is associated with the second password input screen and registered. Accept registration. The display control unit controls to display a first password input screen or a second password input screen on the display screen. The password input screen switching control unit performs control to switch between the display of the first password input screen and the display of the second password input screen according to a predetermined condition. The determination unit determines whether or not the password input through the operation unit matches the first password registered by the password registration reception unit when the first password input screen is displayed by the display control unit. to decide. The determination unit determines whether or not the password input through the operation unit matches the second password registered by the password registration reception unit when the second password input screen is displayed by the display control unit. to decide. If the determination unit determines that the passwords match, the acceptance unit permits the information processing unit to accept a request from the user regarding the information processing. The storage unit stores whether the permission of the previous acceptance by the acceptance unit is due to a match of the first password or a match of the second password. The display control unit controls to display a first password input screen next, when the storage unit stores that the permission of acceptance is due to the coincidence of the second password. The display control unit prohibits the display of the second password input screen until a predetermined period of time elapses, if the storage unit stores that the acceptance of the acceptance is due to the coincidence of the second password.

  According to such an image forming apparatus, the password input screen switching control unit switches the first password input screen and the second password input screen displayed by the display control unit. Then, according to each password input screen, it is determined whether or not the passwords match, and if they match, the acceptance of the request is permitted, assuming that the login authentication is successful. Then, for example, when displaying the second password input screen and inputting the second password, even if the malicious third party staying in the vicinity of the image forming apparatus steals the second password, In the first password entry screen, the entry of the second password never matches the password. Therefore, security can be improved at the time of user authentication.

  According to such an information processing apparatus, security can be improved at the time of user authentication.

FIG. 1 is a diagram illustrating a multifunction peripheral when an image forming apparatus according to an embodiment of the present invention is applied to a multifunction peripheral. FIG. 2 is a block diagram showing the configuration of a multifunction peripheral shown in FIG. It is a figure which shows the structure of an operation part. It is a block diagram showing composition of a control part. It is a figure which shows an example of the 1st password registration screen displayed when registering a 1st password. It is a flowchart which shows the flow of a typical process at the time of registering a 1st password. It is a figure which shows an example of the 2nd password registration screen displayed when registering a 2nd password. It is a figure which shows an example of a password input screen. 5 is a flowchart illustrating a flow of processing when a print request is issued to a multifunction peripheral. 5 is a flowchart showing a flow of processing when a user visits a multifunction peripheral to make a copy.

  Hereinafter, embodiments of the present invention will be described. FIG. 1 is a schematic view showing the appearance of a multifunction peripheral when the image forming apparatus according to an embodiment of the present invention is applied to the multifunction peripheral. FIG. 2 is a block diagram showing the configuration of the multifunction peripheral shown in FIG.

  With reference to FIGS. 1 and 2, the multifunction machine 11 has a plurality of functions such as a copying function, a printer function, and a facsimile function, regarding image processing. The multifunction peripheral 11 includes a control unit 12, an operation unit 13, an image reading unit 14, an image forming unit 15, a hard disk 16, and a network interface unit 17 for connecting to the network 25.

  The control unit 12 controls the entire multifunction peripheral 11. The operation unit 13 includes a display screen 18 for displaying information transmitted from the MFP 11 and input contents of the user. The operation unit 13 receives an input from a user regarding image formation, such as conditions for image formation such as the number of print copies and gradation. The image reading unit 14 includes an ADF (Auto Document Feeder) 19 as a document conveying device that conveys the document set at the setting position to the reading position. The image reading unit 14 reads an image of a document set on the ADF 19 or a mounting table (not shown). The image forming unit 15 is transported from the sheet feeding cassettes 21 a, 21 b and 21 c and the manual feed tray 22 based on the image data of the document read by the image reading unit 14 and the image data transmitted via the network 25. Form an image on a sheet of paper. The sheet on which the image is formed by the image forming unit 15 is discharged to the discharge unit 23. The hard disk 16 stores the transmitted image data, the input image forming condition, and the like.

  The multifunction machine 11 is connected to the plurality of computers 26 a, 26 b and 26 c via the network 25. In this embodiment, three computers 26a to 26c are shown. Each of the computers 26a to 26c can make a print request to the multifunction machine 11 via the network 25 and print.

  Next, the configuration of the operation unit 13 described above will be described in more detail. FIG. 3 is an external view showing a schematic configuration of the operation unit 13. Referring to FIG. 3, operation unit 13 has ten keys 31 for allowing the user to input numbers from 0 to 9 for inputting the number of copies, etc., and symbols of "*" and "#", start of printing, A start key 32 for instructing start of facsimile transmission, a power key 33 for inputting power on or off of the multifunction machine 11, and a menu key 34 for instructing selection of a printer function, a copy function, etc. of the multifunction machine 11; It includes a registration key 35 for instructing various image forming conditions and the registration of the user, a reset key 36 for canceling the contents of the instruction input by the user using the ten keys 31 and the like, and the display screen 18 described above. The display screen 18 has a touch panel function of liquid crystal, and can input image forming conditions and the like from the display screen 18 by pressing the user's finger or the like, and can also perform function selection and the like.

  Next, the configuration of the control unit 12 will be described. FIG. 4 is a block diagram showing the configuration of the control unit 12. Referring to FIG. 4, control unit 12 includes a password registration acceptance unit 41, a display control unit 42, a password input screen switching control unit 43, a determination unit 44, and an acceptance permission unit 45. The password registration acceptance unit 41 accepts registration of a password such that the first password is registered in association with the first password input screen. The password registration acceptance unit 41 accepts registration of a password such that a second password different from the first password is associated with the second password input screen and registered. The display control unit 42 controls the display screen 18 to display a first password input screen or a second password input screen. The password input screen switching control unit 43 performs control to switch between the display of the first password input screen and the display of the second password input screen according to a predetermined condition. When the first password input screen is displayed by display control unit 42, determination unit 44 matches the password input through operation unit 13 with the first password registered by password registration reception unit 41. Determine if it is or not. When the display control unit 42 displays the second password input screen, the determination unit 44 matches the password input through the operation unit 13 with the second password registered by the password registration reception unit 41. Determine if it is or not. If the judging unit 44 judges that the passwords match, the acceptance permitting unit 45 permits acceptance of a request from the user regarding image formation by the image forming unit 15.

  Here, first, registration of the first password will be described. FIG. 5 is a diagram showing an example of a first password registration screen displayed when registering the first password.

  Referring to FIG. 5, on display screen 18, display control unit 42 displays a first password registration screen 51 for accepting registration of a password by password registration acceptance unit 41. On the first password registration screen 51, the notation 52 of “password registration screen”, the password input unit 53 for inputting the first password to be registered, and the password re-input unit 54 for reinputting the first password to be registered And “OK”, and the selection key 55 for confirming the input when pressed is shown. The user registers a first password from the first password registration screen 51.

  FIG. 6 is a flowchart showing a flow of representative processing when registering the first password. 5 and 6, display control unit 42 displays the above-mentioned first password registration screen 51 on display screen 18 according to the user's request input through operation unit 13 (see FIG. 6). , Step S11, hereinafter, "step" is omitted). Thereafter, the user inputs a first password to be registered corresponding to the first password input screen in the password input unit 53. Then, the user re-enters the input first password into the password re-input unit 54 for confirmation. Thereafter, the user presses the selection key 55 to confirm the input. When it is detected that the selection key 55 is pressed, the password registration receiving unit 41 receives the input of the first password and the re-input of the first password (S12). Then, it is determined whether or not the input first password matches the re-input first password (S13). If it is determined that the input first password matches the re-input first password (YES in S13), password registration accepting portion 41 registers the input first password (S14). . In this case, the password registration acceptance unit 41 stores the data of the input first password in the hard disk 16 in association with the first password input screen.

  On the other hand, if it is determined that the input first password does not match the re-input first password (NO in S13), the fact that the first password does not match, specifically, for example, “ The display control unit 42 indicates that the password does not match. And that the first password is prompted to be re-entered, specifically, for example, "Please register the password again." (S15). Then, the input of the first password is accepted again (S12). Thus, registration of the first password by the password registration acceptance unit 41 is performed. Here, it is assumed that the numerical value "1234" is registered as the first password.

  The registration of the second password corresponding to the second password input screen is similarly performed. FIG. 7 is a diagram showing an example of a second password registration screen displayed when the second password is registered. The second password registration screen is displayed by the display control unit 42 by transitioning from the first password registration screen 51 shown in FIG. 5 in response to a request from the user via the operation unit 13.

  Referring to FIG. 7, in the second password registration screen 56, a notation 57 of "password registration screen (second)" and a password input unit 58 for inputting a second password to be registered; (2) A password re-input unit 59 for re-inputting a password, and “OK” is shown, and a selection key 60 for pressing the input to confirm is shown. In this case, the user can easily visually recognize that the second password registration screen 56 is displayed by the notation 57.

  Then, in the same manner as the registration of the first password, the second password is registered along the flow shown in FIG. In this case, the second password to be registered is different from the first password. That is, the password registration acceptance unit 41 rejects if the same password as the first password is to be registered. Thus, the second password is registered. Here, it is assumed that the numerical value "5678" is registered as the second password.

  Next, a password input screen which is a login screen for authenticating a password input by the user will be described. FIG. 8 shows an example of the password input screen. Referring to FIG. 8, the password input screen 61 displays a description 62 of "login screen" for notifying that it is a login screen, a password input unit 63 for entering a password, and "clear". , And “OK” is displayed, and the selection key 65 for executing confirmation of the password input by pressing is shown on the display screen 18 by the display control unit 42. There is. The user inputs a password on the password input screen 61 using the ten key 31 or the like.

  The password input screen 61 is the same as the first password input screen and the second password input screen. That is, the displayed items and contents are exactly the same between the first password input screen and the second password input screen, and can not be distinguished visually.

  Next, the case where the user uses the printer function of the multifunction machine 11 to make a print request to the multifunction machine 11 will be described. FIG. 9 is a flow chart showing the flow of processing when a print request is issued to the multifunction machine 11.

  With reference to FIGS. 1 to 9, using any of the computers 26a to 26c connected to the network 25, the user requests the MFP 11 to print along with transmission of image data, that is, image formation Make a request for Then, the control unit 12 receives a print request from any of the computers 26a to 26c connected to the network 25 (S21).

  After that, the control unit 12 determines whether a plurality of print jobs are stored in the MFP 11 (S22). That is, it is determined whether a plurality of jobs to be printed have been accumulated. If it is determined that a plurality of print jobs are stored (YES in S22), password input screen switching control unit 43 switches between the display of the first password input screen and the display of the second password input screen. Control. Specifically, the password input screen switching control unit 43 controls to switch from the display of the first password input screen to the display of the second password input screen. In this case, the predetermined condition is a condition in which a plurality of requests for image formation to the image forming unit 15 are received. That is, the display control unit 42 controls to display the second password input screen (S23).

  In this case, since the display of the second password input screen and the display of the first password input screen are the same, the user does not notice that the second password input screen is displayed. Here, after the second password input screen is displayed, the user first inputs the first password “1234” to the password input unit 63. Then, the control unit 12 receives an input of the first password "1234" (S24). Then, the determination unit 44 determines whether or not the input first password "1234" matches the second password "5678" registered on the second password input screen (S25).

  In this case, since the first password "1234" is input on the second password input screen, the passwords do not match (NO in S25), and the authentication fails. Then, a message is displayed prompting that the authentication has failed and the user to input the password again (S26).

  Here, the user notices that the second password input screen is displayed, and inputs the registered second password “5678” to the password input unit 63. Then, the control unit 12 receives an input of the second password "5678" (S24). Then, the determination unit 44 determines whether or not the input second password "5678" matches the second password "5678" registered on the second password input screen (S25).

  In this case, since the second password "5678" is input on the second password input screen, the passwords match (YES in S25), and the authentication is successful. That is, if the judging unit 44 judges that the passwords match, the acceptance permitting unit 45 permits acceptance of a request from the user regarding image formation by the image forming unit 15 (S27). In this case, the display screen 18 displays a display screen for requesting output. Thereafter, printing is performed based on input by the user. Here, at the time of success of the authentication, the setting permitted for only the logged-in user, for example, the setting for full color printing is performed according to the user's request and output.

  After that, the hard disk 16 as a storage unit is made to store whether the acceptance of the acceptance by the acceptance unit 45 is due to the coincidence of the first password or the coincidence of the second password (S28). In this case, the second password is stored as a match. Then, the process ends.

  On the other hand, if it is determined that a plurality of print jobs are not stored (NO in S22), the display control unit 42 displays the first password input screen as it is on the display screen 18 (S29). Thereafter, the user inputs the first password “1234” into the password input unit 63. In this case, since the authentication is successful (YES in S25), the permitted print setting is made and output.

  According to such a multifunction machine 11, the password input screen switching control unit 43 switches the first password input screen and the second password input screen displayed by the display control unit 42. Then, according to each password input screen, it is determined whether or not the passwords match, and if they match, the acceptance of the request is permitted, assuming that the login authentication is successful. Then, for example, even when the second password is stolen by a malicious third party staying in the vicinity of the multifunction machine 11 when the second password is displayed by displaying the second password input screen, In the first password entry screen, the entry of the second password never matches the password. Therefore, security can be improved at the time of user authentication.

  In this case, since the first password input screen and the second password input screen are the same, even if a malicious third party views the password input screen 61, the difference is not understood. Therefore, the level of security can be further enhanced.

  Also, in this case, the second password input screen is switched to the second password input screen on the condition that a plurality of image formation requests that are likely to be in the vicinity of the multifunction machine 11 are received by another user. It can be enhanced.

  In the above embodiment, the case where the print request is issued from the computers 26a to 26c to the multifunction machine 11 has been described. However, the present invention is not limited thereto. Applied.

  FIG. 10 is a flow chart showing the flow of processing when the user uses the copy function of the multifunction machine 11 and goes to the multifunction machine 11 to perform copying. Referring to FIG. 10, the user goes to a place where multifunction machine 11 is installed. Then, at the time of copying, the user is authenticated.

  When a copy request from the user is received (S31), the display control unit 42 first displays a first password input screen on the display screen 18 (S32). Here, when there are many people around, the user switches from the first password input screen to the second password input screen. In this case, a predetermined gesture for switching from the first password input screen to the second password input screen is input to the operation unit 13.

  Then, the password input screen switching control unit 43 detects that there is a request for switching of the password input screen (YES in S33), and switches to the second password input screen. That is, when the password input screen switching control unit 43 detects an input to the operation unit 13 of a predetermined gesture, the password input screen switching control unit 43 performs control to switch the display of the first password input screen to the display of the second password input screen. . Then, the display control unit 42 displays the second password input screen on the display screen 18 (S34).

  Thereafter, the input of the password is accepted (S35), and if the input second password matches (YES in S36), the authentication is successful. Then, acceptance of a request from the user regarding image formation by the image forming unit 15 is permitted (S37). In this case, make settings for permitted copying and copy. In S33, if there is no request to switch the password input screen (NO in S33), the first password input screen is displayed as it is, and authentication is performed.

  According to such a configuration, the password input screen can be switched according to the user's request. Therefore, security can be ensured according to the needs of the user.

  In the above embodiment, when the password input screen switching control unit 43 detects a predetermined gesture in the input to the operation unit 13, the display of the first password input screen and the second password input are performed. Although it was controlled to switch between the display of the screen, the present invention is not limited to this. For example, a switch key is provided to switch between the display of the first password input screen and the display of the second password input screen. If pressing is detected, control may be performed to switch between the display of the first password input screen and the display of the second password input screen. In addition, when a predetermined gesture is input, control may be performed to display the switching key on the touch panel.

  Further, in the above embodiment, the display control unit 42 displays the first password input screen next if the hard disk 16 stores that the permission of acceptance is due to the match of the second password. You may control. By doing this, even if the second password is stolen, the input of the second password on the first password input screen results in an authentication failure, so the security level can be further enhanced.

  Furthermore, the display control unit 42 prohibits the display of the second password input screen until the predetermined period elapses, if the hard disk 16 stores that the acceptance of the acceptance is due to the coincidence of the second password. You may As a result, a malicious third party who has intercepted the second password can not switch to the second password entry screen to enter the second password. Therefore, the security level can be further enhanced. In this case, if the user is registered by setting the first and second passwords, there is no problem because the first password can be used for authentication.

  Furthermore, if the display control unit 42 stores that the acceptance of the acceptance is due to the coincidence of the second password in the hard disk 16, the display control unit 42 is input by the operation unit 13 when the first password input screen is displayed. The display of the second password input screen may be prohibited until the password matches the first password registered by the password registration acceptance unit 41. By doing this, it is possible to prevent the successful authentication of a malicious third party who knows only the second password, and to further increase the security level.

  In the above embodiment, the display of the first password input screen and the display of the second password input screen may be displayed differently. By this, the user can easily recognize which password input screen is displayed, and the user's convenience can be further improved. Specifically, the display content is not changed, but the font and size of characters of the font and the arrangement of the display may be made different.

  In the above embodiment, the image forming apparatus has the above-described configuration. However, the present invention is not limited to this, and an information processing apparatus that processes information may also have the above-described configuration. That is, an information processing apparatus according to another embodiment of the present invention includes an information processing unit that processes information, an operation unit that includes a display screen that displays information, and receives an input from a user, and a first password. A password registration acceptance unit for accepting registration of a password to be registered by associating with a first password input screen and registering a second password different from the first password in the second password input screen; , A display control unit for controlling to display the first password input screen or the second password input screen, and the display of the first password input screen and the display of the second password input screen according to a predetermined condition A password input screen switching control unit that controls to switch the screen, and the operation unit when the first password input screen is displayed by the display control unit. It is determined whether or not the input password matches the first password registered by the password registration acceptance unit, and when the second password input screen is displayed by the display control unit, A determination unit that determines whether or not the input password matches the second password registered by the password registration reception unit; and if the determination unit determines that the passwords match, the information processing by the information processing unit And a reception permission unit for permitting reception of a request from the user regarding. You may comprise in this way.

  It should be understood that the embodiments disclosed herein are illustrative in all respects and not restrictive in any respect. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  The image forming apparatus and the information processing apparatus according to the present invention are particularly effectively used when it is required to improve security at the time of user authentication.

  11 MFP 12 control unit 13 operation unit 14 image reading unit 15 image forming unit 16 hard disk 17 network interface unit 18 display screen 19 ADF 21a, 21b, 21c paper feed cassette 22 manual feed tray 23 Ejection Unit, 25 Network, 26a, 26b, 26c Computer, 31 Numeric Keypad, 32 Start Key, 33 Power Supply Key, 34 Menu Key, 35 Registration Key, 36 Reset Key, 41 Password Registration Acceptor, 42 Display Control Unit, 43 Password Input screen switching control unit, 44 determination unit, 45 acceptance permission unit, 51, 56 password registration screen, 52, 57, 62 notation, 53, 58, 63 password input unit, 54, 59 password re-input unit, 55, 60, 64, 65 -Option key, 61 password input screen.

Claims (8)

An image forming unit for forming an image;
An operation unit that includes a display screen for displaying information and receives input from a user;
Password registration for accepting registration of a password so that a first password is registered in association with a first password input screen, and a second password different from the first password is registered in association with a second password input screen A reception unit,
A display control unit configured to control to display the first password input screen or the second password input screen on the display screen;
A password input screen switching control unit configured to control switching between the display of the first password input screen and the display of the second password input screen according to a predetermined condition;
When the first password input screen is displayed by the display control unit, whether or not the password input through the operation unit matches the first password registered by the password registration receiving unit If the second password input screen is displayed by the display control unit, whether the password input through the operation unit matches the second password registered by the password registration receiving unit A judgment unit that judges whether or not
A reception permission unit that permits reception of a request from a user regarding image formation by the image forming unit if the determination unit determines that the passwords match;
And a storage unit for storing whether permission of acceptance by the acceptance permission unit last time is due to agreement of the first password or agreement of the second password,
The display control unit controls to display the first password input screen next, if the storage unit stores that the acceptance of the acceptance is due to the coincidence of the second password.
The display control unit prohibits the display of the second password input screen until a predetermined period elapses, if the storage unit stores that the acceptance of the acceptance is due to the coincidence of the second password. Image forming apparatus. An image forming unit for forming an image;
An operation unit that includes a display screen for displaying information and receives input from a user;
Password registration for accepting registration of a password so that a first password is registered in association with a first password input screen, and a second password different from the first password is registered in association with a second password input screen A reception unit,
A display control unit configured to control to display the first password input screen or the second password input screen on the display screen;
A password input screen switching control unit configured to control switching between the display of the first password input screen and the display of the second password input screen according to a predetermined condition;
When the first password input screen is displayed by the display control unit, whether or not the password input through the operation unit matches the first password registered by the password registration receiving unit If the second password input screen is displayed by the display control unit, whether the password input through the operation unit matches the second password registered by the password registration receiving unit A judgment unit that judges whether or not
And an acceptance unit for permitting acceptance of a request from a user regarding image formation by the image forming unit if the determination unit determines that the passwords match.
The image forming apparatus, wherein the predetermined condition is a condition in which a plurality of requests for image formation by the image forming unit are received.   The password input screen switching control unit performs control to switch between the display of the first password input screen and the display of the second password input screen when detecting a predetermined gesture in the input to the operation unit. The image forming apparatus according to claim 1, wherein The operation unit includes a password input screen switching key that switches between display of the first password input screen and display of the second password input screen when pressed.
The password input screen switching control unit controls to switch the display of the first password input screen and the display of the second password input screen when it is detected that the password input screen switching key is pressed. The image forming apparatus according to any one of 1 to 3. If the display control unit stores that the acceptance of the acceptance is due to the coincidence of the second password in the storage unit, the display control unit performs an input by the operation unit when the first password input screen is displayed. The image forming apparatus according to claim 1 , wherein display of the second password input screen is inhibited until the obtained password and the first password registered by the password registration receiving unit match.   The image forming apparatus according to any one of claims 1 to 5, wherein the display control unit displays the first password input screen and the second password input screen in the same manner. An information processing unit that processes information;
An operation unit that includes a display screen for displaying information and receives input from a user;
Password registration for accepting registration of a password so that a first password is registered in association with a first password input screen, and a second password different from the first password is registered in association with a second password input screen A reception unit,
A display control unit configured to control to display the first password input screen or the second password input screen on the display screen;
A password input screen switching control unit configured to control switching between the display of the first password input screen and the display of the second password input screen according to a predetermined condition;
When the first password input screen is displayed by the display control unit, whether or not the password input through the operation unit matches the first password registered by the password registration receiving unit If the second password input screen is displayed by the display control unit, whether the password input through the operation unit matches the second password registered by the password registration receiving unit A judgment unit that judges whether or not
A reception permission unit that permits reception of a request from a user regarding information processing by the information processing unit if the determination unit determines that the passwords match;
And a storage unit for storing whether permission of acceptance by the acceptance permission unit last time is due to agreement of the first password or agreement of the second password,
The display control unit controls to display the first password input screen next, if the storage unit stores that the acceptance of the acceptance is due to the coincidence of the second password.
The display control unit prohibits the display of the second password input screen until a predetermined period elapses, if the storage unit stores that the acceptance of the acceptance is due to the coincidence of the second password. Information processing apparatus. An information processing unit that processes information;
An operation unit that includes a display screen for displaying information and receives input from a user;
Password registration for accepting registration of a password so that a first password is registered in association with a first password input screen, and a second password different from the first password is registered in association with a second password input screen A reception unit,
A display control unit configured to control to display the first password input screen or the second password input screen on the display screen;
A password input screen switching control unit configured to control switching between the display of the first password input screen and the display of the second password input screen according to a predetermined condition;
When the first password input screen is displayed by the display control unit, whether or not the password input through the operation unit matches the first password registered by the password registration receiving unit If the second password input screen is displayed by the display control unit, whether the password input through the operation unit matches the second password registered by the password registration receiving unit A judgment unit that judges whether or not
And a reception permission unit that permits reception of a request from a user regarding information processing by the information processing unit if the determination unit determines that the passwords match.
The information processing apparatus, wherein the predetermined condition is a condition in which a plurality of requests for information processing by the information processing unit are received.

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