Abstract: An information processing apparatus includes a first association unit that associates a deployment table and a relations diagram with each other, a second association unit that associates an axis item, which is an item included in an axis of the deployment table, and an item in the relations diagram with each other, a third association unit that associates cause-and-effect information indicating a cause-and-effect relationship between two axis items of adjacent axes of the deployment table and an arrow connecting items to each other in the relations diagram with each other, and a display unit that displays, using at least one of the first to third association units, a relations diagram associated with a deployment table that is a correction target.

Abstract: An information processing apparatus includes: a first setting unit that sets how events in a relationship diagram change a second selling unit that sets, with respect to two of the events connected by a relationship line, whether a change in one of the two events is related to a change in another of the two events or there is no specifiable relationship between the changes; and a display unit that displays, according to the setting by the second setting unit, a relationship line in such a way that a relationship line indicating that a change in one event is related to a change in another event is distinguishable from a relationship line indicating that there is no specifiable relationship between a change in one event and a change in another event.

Abstract: An information processing apparatus includes: a correcting unit that corrects a relationship diagram corresponding to a deployment table when the deployment table is corrected; and a display unit that displays parts in the relationship diagram corrected by the correcting unit in such a way that a corrected part is displayed in a different mode from uncorrected parts.

Abstract: An information processing apparatus includes an extraction unit that extracts, if a third axis is inserted between a first axis and a second axis adjacent to each other in a deployment table, a relations diagram associated with the deployment table and an insertion unit that inserts, in the relations diagram, a third item relating to an axis item of a the third axis between a first item relating to an axis item of the first axis and a second item relating to an axis item of the second axis.

Abstract: An information processing apparatus includes an extraction unit that extracts, if a third axis is inserted between a first axis and a second axis adjacent to each other in a deployment table, a relations diagram associated with the deployment table and an insertion unit that inserts, in the relations diagram, a third item relating to an axis item of a the third axis between a first item relating to an axis item of the first axis and a second item relating to an axis item of the second axis.

Abstract: An information processing apparatus includes a first association unit that associates a deployment table and a relations diagram with each other, a second association unit that associates an axis item, which is an item included in an axis of the deployment table, and an item in the relations diagram with each other, a third association unit that associates cause-and-effect information indicating a cause-and-effect relationship between two axis items of adjacent axes of the deployment table and an arrow connecting items to each other in the relations diagram with each other, and a display unit that displays, using at least one of the first to third association units, a relations diagram associated with a deployment table that is a correction target.

Abstract: A toner-state predicting device includes a changing unit that changes a rotation speed of a stepping motor that drives a toner recovery mechanism in an image forming apparatus; a detecting unit that detects presence of synchronization loss of the stepping motor at the changed rotation speed; and a predicting unit that predicts toner clogging which will occur in future in the toner recovery mechanism, based on the rotation speed changed by the changing unit and the presence of the synchronization loss detected by the detecting unit.

Abstract: Provided is a toner recovery device including a toner recovery path, a vibration exciter that applies vibration to the toner recovery path, a detector that detects vibration of the toner recovery path, a determining unit that determines whether characteristics based on the vibration detected by the detector have reached predetermined reference vibration characteristics, and an output unit that outputs the result of the determination by the determining unit.

Abstract: A toner-state predicting device includes a changing unit that changes a rotation speed of a stepping motor that drives a toner recovery mechanism in an image forming apparatus; a detecting unit that detects presence of synchronization loss of the stepping motor at the changed rotation speed; and a predicting unit that predicts toner clogging which will occur in future in the toner recovery mechanism, based on the rotation speed changed by the changing unit and the presence of the synchronization loss detected by the detecting unit.

Abstract: An image-forming system includes a determining section that, for each type of malfunction in image-forming apparatuses, determines a reference number of occurrences of the type of malfunction based on at least one of (1) a distribution of the number of apparatuses in which the type of malfunction has occurred against the number of occurrences of the type of malfunction and (2) a distribution of the number of apparatuses on which maintenance has been carried out against the number of occurrences of the type of malfunction; an extracting section that extracts a subgroup of apparatuses in which the malfunction has occurred a number of times larger than or equal to the reference number of occurrences; and a setting section that sets a criterion for maintenance based on a time series tendency of occurrence of the malfunction in an apparatus on which maintenance has been carried out in the subgroup.

Abstract: Provided is a toner recovery device including a toner recovery path, a vibration exciter that applies vibration to the toner recovery path, a detector that detects vibration of the toner recovery path, a determining unit that determines whether characteristics based on the vibration detected by the detector have reached predetermined reference vibration characteristics, and an output unit that outputs the result of the determination by the determining unit.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: According to an aspect of the present invention, there is provided a failure diagnosis system including: a causal relationship information storage unit configured to store causal relationship information representing a causal relationship between events regarding a diagnosis-target apparatus, the causal relationship information including: common causal relationship information that is commonly used in a plurality of types of failure diagnosis regarding the diagnosis-target apparatus; and specific causal relationship information that is used in each specific type of failure diagnosis among the plurality of types of failure diagnosis; and a diagnosis execution unit configured to selectively execute the plural types of failure diagnosis by using a combined causal relationship information that is a combination of the common causal relationship information and a piece of the specific causal relationship information corresponding to a diagnosis-target type of failure diagnosis.

Abstract: An image-forming system includes a determining section that, for each type of malfunction in image-forming apparatuses, determines a reference number of occurrences of the type of malfunction based on at least one of (1) a distribution of the number of apparatuses in which the type of malfunction has occurred against the number of occurrences of the type of malfunction and (2) a distribution of the number of apparatuses on which maintenance has been carried out against the number of occurrences of the type of malfunction; an extracting section that extracts a subgroup of apparatuses in which the malfunction has occurred a number of times larger than or equal to the reference number of occurrences; and a setting section that sets a criterion for maintenance based on a time series tendency of occurrence of the malfunction in an apparatus on which maintenance has been carried out in the subgroup.

Abstract: 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.

Abstract: 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.

Abstract: 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.