Abstract: A cartridge holds a liquid to be supplied to a liquid ejecting apparatus. The cartridge includes a storage section configured to store liquid information relating to the liquid held in the cartridge. The cartridge is detachable with respect to the liquid ejecting apparatus. The liquid information includes initial viscosity information relating to an initial viscosity of the liquid in a state prior to the cartridge being mounted to the liquid ejecting apparatus.

Abstract: A liquid container unit includes: a liquid container including: a plurality of liquid storage portions; and a plurality of injection ports which are provided to the respective plurality of liquid storage portions, and are configured to enable injection of liquid into the plurality of liquid storage portions; and an injection port cover which is provided to the liquid container so as to be rotatable and is configured to cover the plurality of injection ports so as to be openable and closable, the injection port cover including a plurality of stopper members configured to close the plurality of injection ports when the injection port cover is closed.

Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.

Abstract: An inkjet recording apparatus includes: a tank; a recording assembly; a cover; a memory; a display; an operation interface; and a controller. The controller performs: a first determination process to determine whether a quantity of ink in an ink chamber of the tank is less than a residual ink threshold; a second determination process to determine whether an exposing time of the cover is not less than a first time period; and an inquiry process to inquire whether ink has been injected into the ink chamber. The controller performs, based on the determination in the first determination process that the quantity of ink in the ink chamber is less than the residual ink threshold, the inquiry process without performing the second determination process; and performs, in response to receipt of a first operation in the inquiry process, an initialization process to initialize a count value for the ink chamber.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that ejects liquid, and a supply device that supplies the liquid from a liquid supply source to the liquid ejecting head, the supply device including a first liquid supplying flow path that supplies the liquid, a pump that feeds the liquid, a second liquid supplying flow path having one end connected to an upstream connecting portion and the other end connected to a downstream connecting portion, a pressure control valve disposed in the second liquid supplying flow path, a buffer in which a volume of a storage chamber varies by displacement of a flexible member, and a pressure applying section that applies pressure to the flexible member from an outside of the storage chamber.

Abstract: A content providing apparatus may include a container capable of containing a consumable material, a sensor to measure an amount of a consumable material contained in the container, a content output control unit configured to control an output of a content to be provided based on the amount of the consumable material measured by the sensor, and a content output unit configured to output the content with the output controlled by the content output control unit. Also, a content providing method may include measuring an amount of a consumable material contained in a container, determining an output of a content to be provided based on the measured amount of the consumable material, and providing the content with the determined output.

Abstract: Examples include printing devices configured for use with a plurality of replaceable supplies. A remaining amount of printing material may be monitored for each replaceable supply. A set of one or more replaceable supplies to be replaced may be determined based at least in part on the remaining amount of printing material for each replaceable supply and an amount of printing material corresponding to performing a service routine for supply replacement.

Abstract: An inkjet recording apparatus includes: a tank; a recording head; a display; an operation interface; a memory; and a controller. The controller performs: an inquiry process in which a displaying and receiving process is repeatedly performed for each of ink chambers of the tank to inquire whether ink has been injected into a target ink chamber; an operation determination process to determine whether all of operations received in the inquiry process are first operations; and, in response to the determination in the operation determination process that all of the operations received in the inquiry process are first operations, a confirmation process to prompt a user to input a third operation to confirm that ink has been injected into all of the ink chambers. The controller initializes, in response to receipt of the third operation in the confirmation process, count values for all of the ink chambers.

Abstract: A printing fluid circulation system is described. The system comprises first and second reservoirs, an outlet to supply printing fluid to a fluid inlet of a printhead, an inlet to receive printing fluid from a fluid outlet of the printhead, and a supply system. The supply system is to operate in a first mode to concurrently supply printing fluid from the first reservoir to the outlet and from the inlet to the second reservoir, and in a second mode to concurrently supply printing fluid from the second reservoir to the outlet and from the inlet to the first reservoir.

Abstract: A printing fluid cartridge includes a front face oriented toward a first direction, a printing fluid supply portion positioned at the front face, a rear face positioned opposite the front face and oriented toward a second direction opposite the first direction, at least one electrical interface positioned between the front face and the rear face, and an engagement surface facing in the second direction. The at least one electrical interface is offset from the printing supply portion with respect to a third direction perpendicular to the first direction and the second direction. The at least one electrical interface is positioned closer to the front face than the engagement surface is, and the at least one electrical interface and the engagement surface intersect a plane which is parallel with the first direction, the second direction, and the third direction.

Abstract: There is provided a liquid consuming apparatus including: a liquid consuming section; a tank having a liquid storage chamber and an inlet port; a cap; and a casing having a cover movable with respect to the tank between a closed position and an open position. The cover has an inner surface and a projection projected from the inner surface toward the tank. The projection of the cover is provided with a pressing portion facing the outer surface of the cap at a predetermined spacing distance, under a condition that the liquid consuming apparatus is in a normal state in which the cover is in the closed position and that the cap is installed in the inlet port, and the pressing portion abuts firstly against the outer surface, under a condition that the cap is moved in the insertion direction for allowing the cap to be removed from the inlet port.

Abstract: An apparatus displays an S_Empty informing screen on a display when a count value N reaches a threshold Nth, reads a liquid amount Vc from an IC chip of a cartridge which is installed, calculates an outflow amount Qc of a liquid flowing out from the cartridge to a tank at a period ?t based on the read liquid amount Vc, and erases the S_Empty informing screen from the display when the calculated outflow amount Qc is equal to or larger than a threshold Qth1.

Abstract: The present application relates to a continuously refillable ink-jet cartridge comprising a housing (2) having a bottom, a circumferential wall and a top, a backpressure element (3) contained in the housing (2), and a pipe (27) configured to inject ink through a mouth (28) into the housing (2). According to the present invention, the mouth (28) of the pipe (27) is located and configured such that it is at least partially surrounded by the backpressure element (3).

Abstract: A liquid discharge apparatus includes a circulation channel in which liquid circulates, a liquid discharge head disposed on the circulation channel to discharge the liquid, a bypass channel to connect an upstream portion and a downstream portion of the liquid discharge head, a switch to switch the circulation channel between a first route in which the bypass channel is a part of the circulation channel and a second route in which the bypass channel is not a part of the circulation channel, a pressure generator to generate pressure to circulate the liquid in the circulation channel, a degassing device to degas the liquid in the circulation channel, and control circuitry to perform a degassing operation to degas the liquid by circulating the liquid in the circulation channel.

Abstract: There is provided a tank including: a wall defining a liquid storage chamber, the wall including: an upper wall defining an upper end of the liquid storage chamber, a lower wall defining a lower end of the liquid storage chamber, and an erected wall between the upper wall and the lower wall and through which the liquid inside the liquid storage chamber is visible from outside of the tank; an inlet penetrating through the upper wall or the erected wall; and an outlet, wherein the lower wall includes an upper stage wall making contact with the erected wall; a lower stage wall located at a position separated and away from the erected wall and below the upper stage wall; and a connecting wall connecting the upper and lower stage walls; and the outlet is disposed below the upper stage wall.

Abstract: A chip for a cartridge with dispensable material may be provided. In one aspect, the chip may comprise a non-volatile memory for storing a number tracking amount of dispensable material in the cartridge, a key storage for storing an encryption key, a signature verification module and circuit components. The circuit components may be configured to receive and process a first message, receive and validate a second message, and update the amount of dispensable material if the validation of the second message succeeds. The first message may comprise a first command and an operation input value for a print job at the cartridge, and to process the first message may comprise decreasing the amount of dispensable material. The second message may comprise a second command to increase the amount of dispensable material, and may be validated using the signature validation module and the encryption key.

Abstract: A liquid cartridge includes a first surface, a second surface spaced apart from the first surface, and a third surface extending between the first surface and the second surface, with a liquid outlet through the first surface. A circuit board is mounted on the third surface. A locking mechanism includes a locking surface that extends above the third surface, and a liquid detection mechanism includes a light access portion. The light access portion is disposed between the circuit board and the locking surface, and the circuit board is disposed between the first surface and the light access portion.

Abstract: A notification device can suppress the occurrence of a user's mistake in supplementing a printing liquid. An acquisition unit that acquires information relating to a residual amount of each of a plurality of printing liquids supplied to a printing apparatus and a determination unit that determines whether or not each of the plurality of printing liquids is a printing liquid of a notification target of which a residual amount is a predetermined amount or less based on the acquired information are included. In addition, a notification unit that, in a case where a plurality of printing liquids of the notification target determined by the determination unit are present, notifies of information relating to the residual amount of a predetermined printing liquid is included. This notification unit performs a notification with priority for a predetermined printing liquid satisfying a predetermined condition among the plurality of printing liquids of the notification target.

Abstract: A print head has an ink source to supply and receive ink, a first channel to receive ink from the ink source, a second channel to return ink to the ink source, and a manifold structure connected to the two channels to receive ink from the first channel and return ink to the second channel. A method of operating a print head includes providing ink from an ink source at a first pressure through a first channel, routing the ink through an inlet port of at least one single jet, moving the ink through the single jet to an outlet port of the single jet, routing the ink from the outlet port of the single jet, directing the ink to a second channel, and returning ink through the second channel to the ink source at a second pressure.

Abstract: An image forming method includes applying an ink for the first time to a recording medium to form an image and rolling up the recording medium in a roll form, wherein the recording medium is continuous paper, the ink includes water, an organic solvent, and a coloring material, and the image has a tackiness power of from 80 to 110 nN.

Abstract: An apparatus including a communication unit configured to communicate with a communication device and be able to output data stored in a memory to the communication device even without power supplied from a power supply to the apparatus stores, in the memory, status information to specify the status of the apparatus in a state in which the power supply supplies the power to the apparatus.

Abstract: In some examples, a printhead includes a firing chamber to receive printer fluid, an ejector positioned in the firing chamber to eject printer fluid droplets from the printhead, and a nozzle in fluid communication with the firing chamber. The printhead can further include an impedance sensor positioned in the firing chamber to contact printer fluid to measure impedance values of the printer fluid. The impedance sensor can be connectable to a controller to transmit impedance values of printer fluid to the controller.

Abstract: In some examples, a cartridge includes a printhead comprising a fluid feed slot, a fluid chamber formed between a nozzle layer and a passivation layer, the fluid chamber fluidically coupling the fluid feed slot and a nozzle of the nozzle layer, and a printhead-integrated sensor to sense a property of a fluid in the fluid chamber, the sensor including a ground electrode exposed to the fluid chamber through an opening in the passivation layer.

Abstract: An object of the present invention is to make it possible for a user to correctly exchange color material containers of a printing apparatus. The printing apparatus of the present invention is a printing apparatus to which a plurality of user-exchangeable color material containers is attached, and which includes a display unit configured to display a user interface screen having an operation guide display area in which contents explaining a color material container exchange procedure are displayed and an icon display area in which an icon indicating a color material container to be exchanged is displayed.

Abstract: An image-recording apparatus includes a cartridge including a first storage chamber and a first air communication portion, a cartridge-attachment portion including a second storage chamber and a second air communication portion, a switching portion, and a controller. The second storage chamber stores liquid supplied from a supply portion of the cartridge connected to a connecting portion of the cartridge-attachment portion through a liquid outlet port. The switching portion switches the second air communication portion between a first state and a second state. An air flow rate through the second air communication portion per unit of time is lower in the second state than in the first state. The controller determines the liquid level of liquid in the first storage chamber and switches the switching portion to the second state when the liquid level in the first storage chamber is lower than a vertical position of the liquid outlet port.

Abstract: An inkjet recording apparatus includes an ink tank, a recording head, a monitor, an operation panel, and a controller. The ink tank forms an ink chamber and including an injection inlet. The recording head ejects ink from the ink chamber to record an image on a sheet. The operation panel receives user input. The controller controls operation of the recording head, the monitor, and the operation panel. The controller performs receiving a completion signal indicating completion of ink injection, decision processing deciding whether an initial processing has been completed, and inquiry processing based on receipt of the completion signal.

Abstract: A recording device includes a carriage that has a recording head that performs recording on a medium and a plurality of liquid cartridges that house a liquid to be ejected from the recording head, the plurality of liquid cartridges being arranged in a line in a direction that intersects the movement direction of the carriage and being provided with target detection units, and a detector that includes a moving part which moves in a direction that intersects the movement direction of the carriage and that, by the movement of the moving part, detects the residual amount of the liquid between the detector and each of the target detection units of the plurality of the liquid cartridges.

Abstract: There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: A liquid residual amount detection device (printing apparatus) of the invention includes an irradiation unit that performs irradiation of a detection light, and a reaction detection unit that detects a reaction by the detection light irradiated by the irradiation unit. An amount of liquid is detected based on an amount of the detection light that reaches the reaction detection unit.

Abstract: The present invention provides a way to monitor using a weight sensor to a high degree of precision the rate of material consumption from a reservoir while in operation by alleviating perturbations due to extraneous forces exerted on the reservoir by the connecting tubes and conduits that carry the material and transmit electrical signals between the reservoir and the other components of the dispensing system.

Abstract: In some examples, a printhead die includes a nozzle to be fired by a fire pulse, and a sensor to measure, during a firing of the nozzle by the fire pulse, a measured signal comprising an impedance characteristic of a fluid sample of the nozzle, in response to an input signal applied to the fluid sample. A comparator is to compare the measured signal to a reference value, and a counter is to count over an evaluation interval in response to the comparing indicating that an evaluation criterion is satisfied, and the counter is to stop counting in response to the comparing indicating that the evaluation criterion is not satisfied, a count value of the counter providing an indicator of nozzle chamber operation corresponding to the measured signal.

Abstract: A control method for an inkjet recording apparatus includes: a head housing step of housing in a head housing part an inkjet head having a nozzle surface on which nozzles configured to eject an ink are formed; a humidity acquiring step of acquiring a relative humidity of the nozzle surface of the inkjet head housed in the head housing part; and a temperature and humidity regulating step of performing at least one of a humidification process and a dehumidification process according to the relative humidity of the nozzle surface acquired in by the humidity acquiring step to set the relative humidity of the nozzle surface to 37% RH or more and 65% RH or less.

Abstract: The present disclosure relates to an inkjet printer 30 including a carriage unit to which a printhead (PT) is coupled, a primary ink tank (T1) and a secondary ink tank (T2) to store ink, and a controller (CT2) to control a pump (PM) so as to cause the secondary ink tank (T2) to supply the primary ink tank (T1) with ink.

Abstract: Embodiments provide an inkjet cartridge refilling system. The system may include a drill station configured to drill at least one refilling hole in an inkjet printer cartridge. The system may include an evacuation station configured to remove excess ink from the inkjet printer cartridge. In some embodiments, the excess ink is removed via a vacuum source. The system may also include a filling station configured to provide any of a plurality of inks into the cartridge. Some embodiments provide the ink to the inkjet cartridge via a hole drilled in the cartridge. Other embodiments provide the ink via inkjet nozzles of the inkjet printer cartridge. The system may also include a test station configured to test the refilled cartridge to determine whether it is functioning properly after being filled with ink.

Abstract: A controller includes a second controller that periodically performs a flushing operation of injecting a predetermined amount of ink from a nozzle, a third controller that repeatedly performs the flushing operation until a remaining amount of the ink in a storage chamber after the flushing operation is detected by a detector to be a first amount, a first counter that counts a first operation number of times of the flushing operation, and a fourth controller that performs a first cleaning operation of absorbing a fluid in a sealed space by a suction pump when the first operation number of times counted by the first counter reaches a first threshold value.

Abstract: A fluidic dispensing device includes a first fluid supply containing a primary fluid and a second fluid supply containing a humidification fluid. A plurality of primary nozzles in fluid communication with the first fluid supply eject the primary fluid and a plurality of humidification nozzles in fluid communication with the second fluid supply eject the humidification fluid for controlling a humidity of an environment adjacent the plurality of primary nozzles.

Abstract: In a print data generation apparatus, a print data generation apparatus generates print data. The print data includes post-replacement data obtained by the color replacement on pre-replacement data. The post-replacement data includes a plurality of post-replacement pixel values. Each post-replacement pixel value includes a plurality of post-replacement color components.

Abstract: A liquid storage container unit according to the present invention includes: a liquid storage container provided with an opening; a plug which is attachable to and detachable from the opening and provided with a front edge to be inserted in the opening; and a support member which connects the plug and a member other than the plug and supports the plug, wherein the support member is molded into a shape with a curved portion and the front edge of the plug comes closer to the inner side surface of the curved portion of the support member in a state in which the plug is removed from the opening than in a state in which the plug is attached to the opening.

Abstract: The invention relates to a reservoir lid for a continuous ink jet printer, including a so-called upper surface (331), a so-called lower surface (332), between which are included an upper part (33a) and a lower part (33b) of the lid, at least the latter being delimited sideways by a peripheral surface (Se), and: at least one 1st duct (331), which passes through at least one part of the lid, for leading a 1st fluid from said upper part to said lower part and direct it, at least partly, sideways, to said peripheral surface (Se), at least one 1st chamber (333) delimited by an internal surface into which said duct opens and by said peripheral surface (Se), and means (338) for flowing a liquid contained in this chamber along said peripheral surface.

Abstract: A printer driver is installed on a client PC. The printer driver acquires a first time stamp from a server, and determines whether the first time stamp and a second time stamp stored in the client PC are identical. When the first time stamp and the second time stamp are different, the printer driver acquires device option information of a MFP. When the first time stamp and the second time stamp are different, the printer driver updates content of the second time stamp to content of the first time stamp.

Abstract: A liquid discharge apparatus comprises a head including a discharge port surface, a first reservoir that stores the liquid to be supplied to the head, a flexible member, separating an inner space of the first reservoir into a first chamber that stores the liquid and a second chamber that stores an operation liquid, a second reservoir communicating with the second chamber, the second reservoir storing the operation liquid to be supplied to the second chamber, the second reservoir being disposed in such a manner that a liquid surface of the operation liquid stored in the second reservoir is positioned below the discharge port surface, and an adjustment unit that performs adjustment in such a manner that a position of the liquid surface of the operation liquid in the second reservoir falls within a predetermined range in a state where the second reservoir is opened to atmosphere.

Abstract: A printing apparatus is provided, including: a liquid supply tank for storing and supplying ink, where a liquid supply outlet is arranged on a bottom wall of the liquid supply tank; a liquid level measuring device for measuring a height of a liquid level in the liquid supply tank; a regulating device for regulating an air pressure in the liquid supply tank; and a controller, for controlling the regulating device to regulate the air pressure in the liquid supply tank based on the height of the liquid level measured by the liquid level measuring device and maintaining a pressure at the liquid supply outlet of the liquid supply tank.

Abstract: A liquid cartridge includes a chamber configured to store liquid therein, with a liquid outlet configured to supply the liquid from an interior of the chamber to an exterior of the chamber. A detector is positioned in the chamber so as to be rotatable between a released position and a restricted position. The detector has a detection portion and a restriction portion with a first contact surface defining a first length. A restriction member includes a second contact surface that defines a second length greater than the first length. The restriction member is movable straightly between a first position in which the first and second contact surfaces contact one another, a second position in which the first and second contact surfaces do not contact one another, and a third position between the first and second positions in which the first and second contact surfaces contact one another.

Abstract: A method and a device for detecting ink leakage during a printing process are used in an inkjet printing machine including a workflow system on a computer for print job control, an ink supply unit including an ink reservoir with an ink level sensor, a control unit running software for controlling the ink supply and print heads capable of creating ink drops of different sizes. A theoretical amount of ink to be consumed is calculated based on prepress printing data by adding drop volumes using the workflow system. The theoretical amount to be consumed is transmitted to the ink supply control software using the workflow system. An actual amount of ink having been consumed is detected by the ink level sensor. The theoretical ink consumption amount and the actual ink consumption amount are compared and a leakage alert is displayed if the actual amount is greater than the theoretical amount.

Abstract: A liquid cartridge includes a first surface and a second surface facing a particular direction, with a liquid outlet through the first surface. A circuit board is mounted on the second surface, and a liquid detection mechanism including a light access portion extends above the second surface further than the circuit board in the particular direction.

Abstract: There is provided a tank including: a wall defining a liquid storage chamber, the wall including: an upper wall defining an upper end of the liquid storage chamber, a lower wall defining a lower end of the liquid storage chamber, and an erected wall between the upper wall and the lower wall and through which the liquid inside the liquid storage chamber is visible from outside of the tank; an inlet penetrating through the upper wall or the erected wall; and an outlet, wherein the lower wall includes an upper stage wall making contact with the erected wall; a lower stage wall located at a position separated and away from the erected wall and below the upper stage wall; and a connecting wall connecting the upper and lower stage walls; and the outlet is disposed below the upper stage wall.

Abstract: A printing fluid cartridge includes at least one electrical interface configured to be electrically connected to at least one contact, and a light attenuating portion configured to attenuate light.

Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.

Abstract: A pumping circuit for fluid of an ink circuit in a continuous inkjet printer, including a diaphragm pump, an inlet circuit having an inlet conduit into the pump for the fluid to be pumped, an outlet conduit for the fluid pumped by the pump, the pumping circuit including a back-flow line which removes, from the outlet of the pump, part of the pumped fluid and returns it to the inlet circuit of fluid to be pumped, at least one singular restriction being arranged on the path of the fluid in the back-flow line, and the back-flow line regulating the pressure and the flow rate of the fluid at the outlet of the pump.