Fuji Xerox Co., Ltd.

Tetsuichi Satonaga

Kaoru Yasukawa

Koji Adachi

Norikazu Yamada

Koki Uwatoko

Eigo Nakagawa

Masayasu Takano

Noriyuki Matsuda

Akiko Seta

Shigehiro Furukawa

Kouji Adachi

Kouki Uwatoko

Hiroyuki Miyake

Yoshihide Sato

Yoshio Nishihara

A medium transport device includes a sensor unit, a timing data collection unit, and a sampling resolution changing unit. The sensor unit is provided in a transport path of a print recording medium to detect a transport timing of the print recording medium. A timing data collection unit receives an output from the sensor unit and samples the output at a sampling interval as timing data. A sampling resolution changing unit changes the sampling interval.

Medium transport device, control program for medium transport device and control method for medium transport device

An image processing apparatus includes a determination unit determining, based on a pixel value of a prescribed background color area in image data obtained by inputting a printed image, and based on information regarding a color of a toner used in printing the image, whether or not the background color of the image corresponds to the color of the toner.

Method and apparatus for detecting defects in an image forming apparatus

A monitoring device includes: a receiving unit that receives information including first use mode information transmitted from a first information processing device; a memory unit that stores the received first use mode information; a creating unit that creates, when the receiving unit receives trouble information together with the first use mode information, a trouble prediction formula corresponding to the trouble information using second use mode information of a second information processing device in which the same trouble as that indicated in the trouble information has occurred; a storing unit that stores the created trouble prediction formula; and a determining unit that determines, when the receiving unit receives third use mode information of a third information processing device, whether or not a trouble in the third information processing device occurs in a high probability based on the stored trouble prediction formula and the received third use mode information.

Monitoring device, information processing system and computer readable medium for trouble prediction

An image formation apparatus, which includes: a detector unit that detects a status of consumables; a prediction unit that predicts a run-out timing of the consumables on the basis of the status detected by the detector unit; a transmission unit that transmits the status detected by the detector unit to a management apparatus as consumables information; a reception unit that receives run-out timing information indicating a run-out timing predicted by the management apparatus on the basis of the consumables information transmitted by the transmission unit; and a notification unit that notifies the run-out timing of the consumables on the basis of the run-out timing information received by the reception unit if communication with the management apparatus is possible, or notifies the run-out timing of the consumables on the basis of the run-out timing predicted by the prediction unit if communication with the management apparatus is not possible.

Image formation apparatus, recording medium, image formation method, and consumables management system

A paper wrinkle sign monitoring device includes: at least one timing detecting unit that is set on a transport path of a printing medium, and that detects transport timing of the printing medium; and a sign output unit that detects a sign of paper wrinkle generation in the transporting time of the printing medium based on the transport timing of the printing medium detected by the timing detecting unit, and that outputs the sign.

Paper wrinkle sign monitoring device, paper wrinkle sign monitoring method, and computer readable medium

A detected data processing apparatus includes a selecting unit that calculates mutual correlation between a plurality of groups of detected data acquired from a detecting unit that detects an operational state of a circuit board, and then selects as analysis data the detected data of a group whose value indicating correlation with other groups is smaller than a threshold value set up in advance; and a first calculating unit that calculates a first Mahalanobis distance on a basis of a first Mahalanobis space generated by using the analysis data selected by the selecting unit from the detected data obtained when a normal circuit board is operated and on a basis of the detected data obtained when a circuit board of diagnosis target is operated.

Detected data processing apparatus and computer readable medium for detecting data

An image forming apparatus includes a prediction unit, an inquiry unit and a request unit. The inquiry unit judges whether or not the prediction unit deals with a type of a consumable item used in image formation processing. The request unit transmits use history information to a consumable item management apparatus and requests the consumable item management apparatus to predict a remaining usable period of the consumable item when the inquiry unit judges the prediction unit does not deal with the type of the consumable item in the image formation processing. The use history information indicates a use history of the consumable item. The prediction unit predicts the remaining usable period of the consumable item using the use history information in the image formation processing when the inquiry unit judges the first prediction unit deals with the type of the consumable item used in image formation processing.

Image forming apparatus, consumable item management system and computer-readable medium

A management apparatus includes: a managing unit that manages production information corresponding to each of a plurality of information processing devices; a specifying unit that specifies, based on a defect notice for at least one component and the production information on the managed information processing devices, at least one of the information processing devices using the component; a state judging unit that judges whether each information processing device is in an operable state where a processing function of each information processing device is operable in an environment in which the processing function of each information processing device is provided; and an operation restricting unit that performs operation restriction for the processing function of each information processing device according to the defect notice if the state judging unit judges that each information processing device is in the operable state.

Manufacturing products management method, system and apparatus

A quality control method includes: extracting, from a time series distribution of troubles that have occurred in electronic equipments, a first characteristics of states of occurrence of the troubles; specifying one or more parts included in the electronic equipments, the parts being involved with the troubles; extracting, from another time series distribution of a rate of use corresponding to each of suppliers which supply the specified parts, a second characteristics of the parts; and specifying one or more of the suppliers supplying the parts correlated to the troubles based on a correlation between the extracted first characteristics and the extracted second characteristics.

Quality control system, quality control apparatus, quality control method and computer readable medium

A monitoring apparatus includes: a reception section that receives information including first use mode information from an first information processing apparatus; a storage section that stores the first use mode information received by the reception section; and a transmission section, when the reception section receives fault information together with the first use mode information from the first information processing apparatus, that transmits information concerning countermeasures against a fault to the first information processing apparatus based on the first use mode information and pieces of second use mode information, stored in the storage section, of second information processing apparatuses which normally operate.

Monitoring apparatus, information processing system, monitoring method and computer readable medium

A failure diagnosis method diagnoses a failure occurring in a diagnosis target apparatus including a drive mechanism having a drive member that receives power supply to operate and a power transmission member that transmits drive force of the drive member to another member. The method includes automatically acquiring by a sensor an operation state signal indicating an operation state during the drive mechanism operating for a predetermined period; and analyzing the automatically acquired operation state signal based on a failure probability model, which is obtained by modeling a cause of failure occurring in the diagnosis target apparatus with using probabilities, to execute failure diagnosis with respect to each of constituent members of the drive mechanism.

Failure diagnosis method, failure diagnosis apparatus, conveyance device, image forming apparatus, program, and storage medium

A transport device includes a feed unit that feeds transport subjects being loaded in a loading portion one by one in a transport direction, a protrusion amount detection unit that detects a protrusion amount of the transport subjects from the loading portion in the transport direction and an overlap feed sign detection unit that detects a sign of occurrence of overlap feed of the transport subjects based on a detection result of the protrusion amount.

Transport device, overlap feed sign detection device, and computer readable medium

A failure analysis system includes an obtaining portion that obtains read-in image information that is image information obtained by reading an output image, a memory that stores fundamental image reduction information that is information in which an information amount of fundamental image information is reduced, the fundamental image information serving as a fundamental of the output image, a calculating portion that calculates a characteristic value of a projecting waveform by use of differential information between read-in image reduction information and the fundamental image reduction information, the read-in image reduction information being information in which the information amount of the read-in image information obtained by the obtaining portion is reduced, the fundamental image reduction information being stored in the memory; and a determining portion that determines a defect type group that is a group of defect types of elements included in the output image by use of a clustering process.

Failure analysis system, failure analysis method, and program product for failure analysis

A failure diagnosis system includes a first database, a second database, an observation-information acquiring unit, a determination-probability calculating unit and an occurrence-probability calculating unit. A first cause-and-effect network stored in the first database stochastically represents a relationship between failure-type candidates and first observation information, which have cause-and-effect relationships with the failure-type candidates. Each second cause-and-effect network stored in the second database stochastically represents relationships between second observation information and failure-cause candidates. The observation-information acquiring unit acquires the first and second observation information from a diagnosed system. The determination-probability calculating unit calculates a determination probability of each failure-type candidate based on the first observation information and the first cause-and-effect network. The occurrence-probability calculating unit calculates occurrence probabilities of the failure-cause candidates for each failure-type candidate based on the second observation information and the second cause-and-effect networks.

Failure diagnosis system, image forming apparatus, computer readable medium and data signal

A failure prevention diagnosis support system includes: an acquiring portion that acquires internal information about an internal state of an image forming apparatus; a storage portion that stores one or a plurality of logistic regression models that define an estimate value of a regression coefficient through a logistic regression analysis using the internal information obtained when the image forming apparatus is in a failed state and in a normal state; and a controller that performs a control operation to select a logistic regression model from the one or the plurality of the logistic regression models stored in the storage portion in accordance with the image forming apparatus, and to calculate risk degrees as objective variables that are indicators of failure degrees in the image forming apparatus by assigning the internal information acquired by the acquiring portion or the value obtained from the internal information to the selected logistic regression model.

Growing community of inventors

Kanagawa, Japan

Tetsuichi Satonaga