Abstract: A server device includes a communication interface configured to communicate with one or more publisher devices and one or more subscriber devices. A memory stores data indicating message types to be issued by the publisher devices. Each message type is stored in association with both a condition for filtering messages of the message type and a subscriber device destination for messages of the message type meeting the condition. A processor is configured to determine whether a message meets a condition associated with the message type, and transmit the message to the subscriber devices indicated by the corresponding destination information when the condition is met.

Abstract: A sheet conveyance device includes a roller by which a sheet having a wireless tag is conveyed along a path, a communication device configured to transmit a radio signal to the wireless tag and receive a response signal therefrom, and a processor configured to repeatedly perform a process of controlling the roller to convey a sheet along the path while controlling the communication device to transmit the radio signal to a wireless tag of the sheet using a transmission power that is different in each repeat, and acquire a strength of the response signal from the wireless tag, and specify a minimum strength of the response signal that has been acquired in the repeated process, the minimum strength being equal to or greater than a threshold, and set a transmission power that has been used when the minimum strength has been acquired as a reference strength of the radio signal.

Abstract: A conductive sheet capable of preventing erroneous reading and writing is provided. The conductive sheet according to one embodiment is configured to be positioned between a sheet tray of an image forming device and a sheet. The conductive sheet includes a base layer and a double conveyance prevention structure. The base layer comprises a conductive material positioned to overlap with a wireless tag of the sheet. The double conveyance prevention structure is coupled to or defined by the base layer. The double conveyance prevention structure is configured to prevent conveyance of the conductive sheet by the image forming apparatus when the conductive sheet overlaps the sheet in the sheet tray.

Abstract: According to one embodiment, a toner having excellent heat roller life performance, low-temperature offset resistance, and high-temperature offset resistance, and a toner cartridge and an image forming apparatus, in each of which the toner is stored, are provided. A toner according to an embodiment contains a colorant, an amorphous polyester resin A, and an amorphous polyester resin B. The amorphous polyester resin A has an MwA of 0.9×104 to 1.5×104. The amorphous polyester resin B has an MwB of 4.0×104 to 11.0×104. The amorphous polyester resin A has an MnA of 3.0×103 to 4.0×103. MwA/MnA is between 3.1 and 4.0. The amorphous polyester resin B has an MnB of 2.2×103 to 3.5×103. MwB/MnB is between 11.4 and 50. The content of the amorphous polyester resin A is between 50 and 60 mass %. The content of the amorphous polyester resin B is between 20 and 30 mass %.

Abstract: A communication device according to an embodiment includes a first generator, a second generator, a signal sharer, a combiner, a first measurement circuit, a second measurement circuit, a first control circuit, a second control circuit, and a third control circuit. The first and second measurement circuits measure levels of self-jammer signals, respectively. Each of the self-jammer signals is extracted in corresponding one of a first bandwidth and a second bandwidth larger than the first bandwidth from a signal output from the combiner. The first control circuit sets change values of an amplitude and a phase in the second generator during a period of a first time width. The second control circuit sets change values of the amplitude and the phase in the second generator. The third control circuit causes the first control unit to set the change values of the amplitude and the phase in the second generator.

Abstract: An image forming apparatus has a controller with a first input terminal configured to receive a first signal indicating a state of a first opening/closing portion, a second input terminal configured to receive a second signal indicating a state of a second opening/closing portion, and a third input terminal configured to receive a third signal indicating a state of the first opening/closing portion and the second opening/closing portion. The controller is configured to delay a first notification of an open state of the first opening/closing portion and a second notification of an open state of the second opening/closing portion for a predetermined period after any one of the first signal, second signal, or third signal initially indicates an open state.

Abstract: A method of processing a purchase transaction includes generating a transaction file containing a product code, which is transmitted from a user computing device when an image of a product code identifier is captured by the user computing device, a first user ID of the customer, and an indicator of whether or not the customer has opted in to receive electronic receipts. The method further includes generating an electronic receipt based on the transaction file, storing a conversion table containing the first and second user IDs of the customer, converting the first user ID contained in the transaction file to the second user ID based on the conversion table, when the indicator indicates that the customer has opted in, and storing the electronic receipt in association with the second user ID. The electronic receipt is transmitted in response to a request for electronic receipts associated with the second user ID.

Abstract: An image forming apparatus includes a photoconductor, an exposure device, and a shutter assembly. The exposure device includes a light source configured to expose the photoconductor. The light source is repositionable between a proximity position at a first distance from the photoconductor and a separation position at a second distance from the photoconductor. The first distance is less than the second distance. The shutter assembly is configured to move away from the light source in response to the light source moving toward the proximity position. The shutter assembly is configured to move to cover the optical path of the light source in response to the light source moving toward the separation position.

Abstract: According to an embodiment, a print head includes one or more light emitting element arrays, a light emission control circuit, and one or more drive circuit arrays. The light emitting element arrays include a plurality of light emitting elements arrayed continuously along a main scanning direction. The light emission control circuit outputs drive signals of different phases in units of a light emitting element group configured by a predetermined number of continuous light emitting elements included in the light emitting elements. The drive circuit arrays include a plurality of drive circuits, the drive circuits cause the light emitting elements to emit light individually based on the drive signals.

Abstract: An image forming apparatus, temperature control method, and temperature control device are provided. The apparatus includes the device, which acquires a first temperature difference between a temperature estimation value of a fixer, which is obtained by simulating a member temperature of a temperature control target serving as a heat capacitor-resistor circuit at an initial stage of operation of the fixer, and a detected temperature detected by a temperature sensor, and acquires a second temperature difference between a temperature estimation value of the fixer, which is obtained during an operation after the first temperature difference is acquired, and a detected temperature.

Abstract: An autonomously traveling cart system includes a mover, a memory, a position detector, and a processor. The mover moves a cart main body. The memory stores map data indicating an autonomously traveling cart storage space installed in an area where the cart main body is movable. The position detector detects a position of the cart main body. The processor designs a moving route from the position of the cart main body which the position detector detects toward the autonomously traveling cart storage space indicated by the map data, and allows the cart main body to move toward the autonomously traveling cart storage space by the mover.

Abstract: An image processing apparatus of one embodiment includes an image processing unit and a controller. The controller receives biometric information for a user for a logon operation and re-orders user record entries in a table when a predetermined condition occurs. Each record entry in the table includes reference biometric information in association with user information. The re-ordering of the entries is based on user information stored in the user record entries. After the re-ordering of the user record entries in the table, the controller performs an authentication operation that includes comparing the received biometric information to reference biometric information in the re-ordered user record entries of the table until a match is determined.

Abstract: A commodity registration apparatus includes a check-in terminal, a sensor group, and a management terminal. A processor of the management terminal is configured to track movement of a shopper and store items using the sensor group. A first commodity list is updated to include a first item when the tracked movements indicate the known shopper has selected the first item for purchase. The movements of any unidentified shopper are tracked. The processor updates a second commodity list to include a second item when tracked movements indicate the unidentified shopper has selected the second item for purchase. The second commodity list is associated with a provisional identification code. Commodity registration data for settlement processing is generated using the first commodity list unless the unidentified shopper is later identified as the known shopper, in which case, commodity registration data is generated using the first and second commodity lists in combination.

Abstract: According to an embodiment, a heating device includes a cylindrical belt, a heater, a press roller, and a holder. The heater is disposed on an inner surface of the belt. The press roller rotates and is configured to contact an outer surface of the belt at a position opposite the heater to form a nip. The end portions of the press roller project by a first amount in a radial direction more than the central portion of the press roller. A holder has a first surface supporting the heater to face the cylindrical belt. The holder has a second surface that is opposite of the first surface with a center portion projecting in a direction orthogonal to the first surface more than the end portions of the second surface by a second projection amount that is greater than the first projection amount.

Abstract: A server device includes communication means, information storage means, and output means. The communication means communicates with an information processing device that includes a display unit for displaying a symbol and a sending unit for sending information relating to the failure of the own device. The information storage means stores the information relating to the failure sent from the information process device. The output means outputs information relating to the failure stored in an access destination specified by the symbol to a user terminal that reads the symbol.

Abstract: According to at least one embodiment, a failure prediction server includes an interface, a memory, and a processor. The interface is configured to communicate with equipment including a component that deteriorates over time. The memory is configured to store measurement data acquired from the equipment. The processor is configured to set a monitoring start condition for failure prediction in the corresponding equipment based on the measurement data acquired as initial data from the equipment, accumulate the measurement data acquired from the equipment in the memory after the monitoring start condition is satisfied, and predict a failure of the component based on the measurement data accumulated in the memory.

Abstract: An image forming device includes a storage unit and a control unit. The storage unit stores user information according to a specific device connected to an external network in advance. The control unit receives an execution instruction as an execution instruction of a job by a user indicated by the user information according to the specific device, if the execution instruction of the job is received from the specific device via the external network, and executes the job according to the execution instruction.

Abstract: An image reading device includes a tray, a paper feed roller that conveys a sheet, a first sensor that detects a front end and a rear end of the sheet, a second sensor that detects the front end of the sheet, and a scanner that reads an image on a front side of the sheet and reads an image on a back side of the sheet. A controller determines a first time duration that elapses from the detection of the front end of the sheet by the first sensor to the detection of the rear end of the sheet by the first sensor and operates the scanner to read the image on the back side of the sheet over a second time duration equal in length to the first time duration. The second time duration begins after the front end of the sheet is detected by the second sensor.

Abstract: A system for performing an operation of skipping scanning in a multi-function printer (MFP) includes one or more processors and a memory, wherein the memory stores processor-executable instructions, which, on execution, causes the processor to receive job settings for scanning a first set of documents placed in the MFP, suspend a first job for documents after scanning the first set of documents and upon detecting unavailability of a second set of documents, receive activation, by a user, of the operation of skipping scanning and storing the scanned raw data of the first set of documents with a unique identification in the MFP's database. Subsequently, selection of a first job that skipped scanning is determined from jobs that skipped scanning displayed on a display interface of the MFP and scanning of the second set of documents is performed based on the stored job settings for completing the first job.

Abstract: An information processing device includes a network interface and a processor. The processor is configured to: acquire voice data via the network interface, analyze the acquired voice data, based on a result of the analysis, determine a search condition including one or more keywords for searching for one or more items, perform a search using the determined search condition, generate a first text indicating an item found by the search, and controls the network interface to output the generated first text. The processor is further configured to, when two or more items are found by the search, generate a second text suggesting another keyword other than said one or more keywords that have been used for the search, and controls the network interface to output the generated second text.