Abstract: A first terminal device includes a communicator capable of communicating with a server device which provides a service enabling message exchange among a plurality of terminal devices, a controller, and a display, wherein the controller displays, on the display, a message showing that a first communication device received a first image from the second communication device, receives an instruction for sending a second image to the second communication device, and, when failing to send the second image to the second communication device, sends, to the server device, an instruction for sending a reply message in response to having received the first image to the second terminal device.

Abstract: A first terminal device includes a communicator capable of communicating with a server device which provides a service enabling message exchange among a plurality of terminal devices, a controller, and a display, wherein the controller displays, on the display, a message showing that a first communication device received a first image from the second communication device, receives an instruction for sending a second image to the second communication device, and, when failing to send the second image to the second communication device, sends, to the server device, an instruction for sending a reply message in response to having received the first image to the second terminal device.

Abstract: An image-forming apparatus includes a controller, a storage, and a communicator. The controller establishes a connection with a terminal device through the communicator by QUIC, stores, in the storage, identification information for identifying the connection and key information to be used for encryption of transmission/reception information transmitted and received to and from the terminal device, performs communication of the transmission/reception information with the terminal device through HTTP/3, and establishes, when the connection with the terminal device is disconnected, a connection with the terminal device using the identification information and the key information so that the communication of the transmission/reception information with the terminal device is resumed.

Abstract: A first terminal device includes a communicator capable of communicating with a server device which provides a service enabling message exchange among a plurality of terminal devices, a controller, and a display, wherein the controller displays, on the display, a message showing that a first communication device received a first image from the second communication device, receives an instruction for sending a second image to the second communication device, and, when failing to send the second image to the second communication device, sends, to the server device, an instruction for sending a reply message in response to having received the first image to the second terminal device.

Abstract: An image forming apparatus includes an operation device; a storage that stores classification determination information and a user classification rule; a memory that stores instructions; and a processor. The processor executes the instructions stored to: input image data on a document; acquire the input image data on the document; acquire, from the acquired image data, feature quantity; and update the user classification rule. The user classification rule is information in which a criterion for classifying a document having specific feature quantity is set for each user in association with the specific feature quantity. When the user uses the operation device to perform a specific classification operation on image data on a document having the acquired feature quantity, the processor executes the instructions to change a criterion of the user classification rule of the user associated with the acquired feature quantity to a criterion corresponding to the specific classification operation.

Abstract: A user authentication device includes: a login request receiver that receives a request for a login from a user; an authentication processor that performs user authentication in response to the request; a user information storage that previously stores authentication information used for user authentication; and a communicator that transmits and receives information to and from external image processing apparatuses connected via a network, wherein the authentication processor, in response to the received request, transmits a notification to at least any of the connected external image processing apparatuses via the communicator so as to provide authentication information on the user, and permits a login of the user when the user has been authenticated based on either authentication information stored in the user information storage or authentication information provided by the external image processing apparatus in response to the notification.

Abstract: An image communication device transmits, to a server device, a first image based on a received image and communication information at a tune when the image is received. A terminal device receives the first image and the communication information from the server device, displays the first image together with the communication information, and transmits a reply command to the server device, based on an operation of a user. The image communication device transmits a second image to a destination included in the communication information, if the image communication device receives the reply command from the server device.

Abstract: An image forming apparatus including: an image processor that executes a job; a setting receiver that receives a setting relating to the job; a job controller that receives an execution request relating to a job predetermined for execution of a job relating to one function and causes the image processor to execute the job relating to the one function; a notifier that notifies a user of an end of each of the plurality of jobs; and a notification controller that determines whether to cause the notifier to notify the end of each of the plurality of jobs on the basis of at least one of a setting relating to each of the plurality of jobs and an attribute of an image to be processed.

Abstract: An image forming apparatus including: an image processor that executes a job; a setting receiver that receives a setting relating to the job; a job controller that receives an execution request relating to a job predetermined for execution of a job relating to one function and causes the image processor to execute the job relating to the one function; a notifier that notifies a user of an end of each of the plurality of jobs; and a notification controller that determines whether to cause the notifier to notify the end of each of the plurality of jobs on the basis of at least one of a setting relating to each of the plurality of jobs and an attribute of an image to be processed.