Abstract: A liquid ejection apparatus includes a liquid ejection head, a sensor, a carriage, and a controller. The controller is configured to perform: setting a first sheet at a first printing position; printing an image on the first sheet while conveying the first sheet from the first printing position; determining whether an interval is more than a predetermined period; in a case where the interval is determined to be more than the predetermined period: causing the carriage to move in a first direction to a first detection position at which a second sheet is detected; and in response to detecting the second sheet, causing the carriage to move in the first direction to a first carriage position.

Abstract: A method for producing low-molecular-weight polytetrafluoroethylene which includes: (1) irradiating high-molecular-weight polytetrafluoroethylene with radiation to a dose of 250 kGy or higher substantially in the absence of oxygen to provide low-molecular-weight polytetrafluoroethylene having a melt viscosity at 380° C. of 1.0×102 to 7.0×105 Pa·s. Also disclosed is a powder containing the low-molecular-weight polytetrafluoroethylene, the powder being substantially free from any of perfluorooctanoic acid and salts thereof.

Abstract: An image recording system includes a plurality of image recording apparatuses. In a case where a certain image recording apparatus of the image recording apparatuses has a failure nozzle proportion of failure nozzles of all the nozzles of the recording head smaller than or equal to a threshold, image recording is performed on the certain image recording apparatus based on a recording instruction. In a case where the certain image recording apparatus has a failure nozzle proportion exceeding the threshold, a recording instruction is transmitted to a different image recording apparatus having a failure nozzle proportion smaller than that of the certain image recording apparatus, and image recording is performed on the different image recording apparatus based on the recording instruction.

Abstract: A liquid discharging apparatus includes a controller configured to execute: a recording processing, a first determining processing, a pre-recording flushing processing, a first flushing processing, and a second flushing processing. In a case that the controller determines, by the first determining processing, that the recording processing is to be executed in the second mode, the controller is configured to make a first flushing interval between the pre-recording flushing processing and the first flushing processing to be longer than a second flushing interval between the first flushing processing and the second flushing processing.

Abstract: A liquid discharging apparatus includes: a liquid discharging head having nozzles; a purge mechanism which performs purge of discharging liquid from the nozzles; a signal outputting circuit which outputs signals depending on whether each of the nozzles is a failure nozzle which does not satisfy a predetermined discharging performance; a memory which stores, with respect to each of the nozzles, a value of an failure parameter regarding a number of times each of the nozzles is continuously determined to be the failure nozzle; and a controller. The controller performs failure nozzle determination with respect to at least a part of the nozzles as to whether each of at least the part of the nozzles is the failure nozzle, based on a signal from the signal outputting circuit, and updates the value of the failure parameter in the memory, based on a result of the failure nozzle determination.

Abstract: A liquid discharging apparatus includes a liquid discharging head having nozzles, a tank which stores liquid, and a controller. The controller causes the liquid discharging head to perform a discharging operation for discharging the liquid from the nozzles based on a discharging data. The discharging data includes unit discharging data indicating whether the liquid is to be discharged from the nozzles within a predetermined time period. In the discharging operation, a) if a discharge amount based on the unit discharging data is less than a threshold value, the liquid discharging head performs a first discharging operation during the predetermined time period, and b) if the discharge amount based on the unit discharging data is equal to or more than the threshold value, the liquid discharging head performs a second discharging operation during another time period longer than the predetermined time period.

Abstract: An image recording system includes a plurality of image recording apparatuses. In a case where a certain image recording apparatus of the image recording apparatuses has a failure nozzle proportion of failure nozzles of all the nozzles of the recording head smaller than or equal to a threshold, image recording is performed on the certain image recording apparatus based on a recording instruction. In a case where the certain image recording apparatus has a failure nozzle proportion exceeding the threshold, a recording instruction is transmitted to a different image recording apparatus having a failure nozzle proportion smaller than that of the certain image recording apparatus, and image recording is performed on the different image recording apparatus based on the recording instruction.

Abstract: There is provided a liquid ejecting apparatus including: a head having a nozzle; a carriage; a receiver; and a controller. The controller is configured to execute: a first flushing processing; a second flushing processing including at least one of a discharge flushing driving and a non-discharge flushing driving of driving; and a printing processing. The first flushing processing is executed in a case that a first count value is not less than a first threshold value, the first count value being an elapsed time since a completion of the first flushing processing. The second flushing processing is executed in a case that a second count value is not less than a second threshold value, the second count value being an elapsed time since a completion of the printing processing.

Abstract: A liquid ejection apparatus includes a liquid ejection head having an array of nozzles each configured to eject liquid, a storage, and a controller. The storage stores first data including distribution patterns and causes of an ejection failure and second data including causes of an ejection failure and maintenance manners. In a case where the nozzles include a failure nozzle, the controller determines a cause of a currently-occurring ejection failure based on the first data, perform maintenance in a first maintenance manner associated with the cause based on the second data. In a case where the currently-occurring ejection failure due to the cause has been recovered a predetermined number of times by maintenance in the first maintenance manner, the controller is configured to change the first maintenance manner associated with the cause to a second maintenance manner in the second data.

Abstract: A liquid ejection apparatus is provided, comprising a liquid ejection head, a signal output circuit which outputs different signals depending on the number of ejection-defective nozzles in which any defective discharge of a liquid occurs, and a controller. The controller executes judgment to judge whether a first condition that any ejection-defective nozzle is absent in two or more nozzles for constructing a first nozzle group is satisfied, a second condition that all of the nozzles are the ejection-defective nozzles is satisfied, or a third condition that only some of the nozzles are the ejection-defective nozzles is satisfied, on the basis of the signal outputted from the signal output circuit.

Abstract: There is provided a liquid ejection apparatus, including: a head; a signal output circuit; a discharge mechanism; a controller; and a memory in which association information is stored. The controller is configured to: diagnose a degree of defectiveness of the head based on a signal from the signal output circuit; and receive, from a user, an input of discharge amount information. In response to the input of the discharge amount information, the controller is configured to: control the discharge mechanism to discharge a liquid by a discharge amount corresponding to the discharge amount information; and change the association in the association information based on the discharge amount corresponding to the discharge amount information and a discharge amount that corresponds to the degree of the defectiveness of the head.

Abstract: A liquid ejection apparatus is provided, comprising a liquid ejection head, a signal output circuit which outputs different signals depending on the number of ejection-defective nozzles in which any defective discharge of a liquid occurs, and a controller. The controller executes judgment to judge whether a first condition that any ejection-defective nozzle is absent in two or more nozzles for constructing a first nozzle group is satisfied, a second condition that all of the nozzles are the ejection-defective nozzles is satisfied, or a third condition that only some of the nozzles are the ejection-defective nozzles is satisfied, on the basis of the signal outputted from the signal output circuit.

Abstract: A liquid discharging apparatus includes: a liquid discharging head having nozzles; a purge mechanism which performs purge of discharging liquid from the nozzles; a signal outputting circuit which outputs signals depending on whether each of the nozzles is a failure nozzle which does not satisfy a predetermined discharging performance; a memory which stores, with respect to each of the nozzles, a value of an failure parameter regarding a number of times each of the nozzles is continuously determined to be the failure nozzle; and a controller. The controller performs failure nozzle determination with respect to at least a part of the nozzles as to whether each of at least the part of the nozzles is the failure nozzle, based on a signal from the signal outputting circuit, and updates the value of the failure parameter in the memory, based on a result of the failure nozzle determination.

Abstract: A liquid droplet discharging apparatus includes: a discharging head having: a liquid channel including a nozzle; and an energy applying part which applies, to liquid inside the liquid channel, discharge energy for discharging a liquid droplet from the nozzle; a signal outputting circuit which outputs signals depending on whether the nozzle satisfies a predetermined discharging performance; and a controller. The controller performs determination as to whether the nozzle satisfies the predetermined discharging performance, and estimates viscosity of the liquid inside the discharging head based on: viscosity estimation data in which discharge energy information and viscosity information are associated with each other, and a result of the determination performed in a case that the controller controls the energy applying part based on the discharge energy information and that the discharge energy is thereby applied to the liquid inside the liquid channel.

Abstract: A liquid jetting apparatus includes: a jetting unit connected to a tank storing liquid, and having jetting ports for jetting the liquid supplied from the tank; a purge unit which performs a purge operation for discharging the liquid from the jetting unit; a notifying unit which notifies a user selectively that a remaining amount of the liquid in the tank is included in a first range, and that the remaining amount is included in a second range greater than the first range; and a controller configured to: determine a first purge amount; detect the remaining amount; and in a case that the detected remaining amount is included in a third range greater than the second range and that the remaining amount is included in the first range if the purge operation is executed with the first purge amount, determine a second purge amount obtainable by reducing the first purge amount.

Abstract: The present invention aims to provide a production method that can produce an aqueous dispersion containing polyvinylidene fluoride with high productivity. The present invention relates to a method of producing an aqueous dispersion of polyvinylidene fluoride, including: emulsion polymerization of vinylidene fluoride in the presence of a surfactant, an organic peroxide, and water to produce an aqueous dispersion that contains polyvinylidene fluoride. The surfactant has a surface tension of 55 mN/m or smaller when added in an amount of 1000 ppm.

Abstract: A liquid jetting apparatus includes: a jetting unit connected to a tank storing liquid, and having jetting ports for jetting the liquid supplied from the tank; a purge unit which performs a purge operation for discharging the liquid from the jetting unit; a notifying unit which notifies a user selectively that a remaining amount of the liquid in the tank is included in a first range, and that the remaining amount is included in a second range greater than the first range; and a controller configured to: determine a first purge amount; detect the remaining amount; and in a case that the detected remaining amount is included in a third range greater than the second range and that the remaining amount is included in the first range if the purge operation is executed with the first purge amount, determine a second purge amount obtainable by reducing the first purge amount.

Abstract: The present invention aims to provide an acrylic rubber composition capable of giving an acrylic rubber molded product good in low-friction properties and non-sticking properties. The present invention relates to an acrylic rubber composition containing an acrylic rubber (A) and a fluororesin (B), the fluororesin (B) being a perfluororesin.

Abstract: A charging device is for an electric moving body, which is compatible with multiple charging protocols having different settings for voltage, current. The vehicle charging device is provided with: a CHAdeMO control unit and a combined-charging control unit for performing battery charging control on the basis of the CHAdeMO protocol and the combined-charging protocol; power conversion systems (PCS) which are connected in parallel and convert alternating-current power into direct-current power; power-feeding connectors which connect to a power-receiving connector disposed in the vehicle; and a switching unit for setting a connection between the output of the PCSs and the power-feeding connectors. The switching unit performs settings such that when one vehicle is to be charged, the PCSs are connected to the battery of this vehicle, or when two vehicles are to be charged, the PCSs are respectively connected to the batteries of these vehicles.

Abstract: A method of reducing the acid concentration within gastric fluid, suppressing a tendency towards a strongly acidic pH within the gastric fluid, and inhibiting the production of gastrin involves the step of administering live or killed lactic acid bacterium (such as Lactobacillus johnsonii No. 1088) to a living subject. The invention also relates to a method of alleviating the side effects caused by continuous administration of a proton pump inhibitor by administering live or killed lactic acid bacterium to a living subject.