Abstract: A method of controlling sensing level in a liquid ejector is disclosed. The method includes filling a reservoir in communication with a liquid ejector with a printing material to a first level set point, receiving a drop out signal from a laser-based level sensor that reads from a surface of a melt pool in the reservoir, pausing an operation of the liquid ejector, adjusting the printing material level set point to a second level set point of printing material in reservoir that is higher than the first level set point, increasing a quantity of printing material in the reservoir to fill the reservoir to the second level set point, and resuming the operation of the liquid ejector.

Abstract: There is disclosed a device, method and program, wherein the method comprises detecting a power increase, during which power usage increases by at least a threshold amount over an expected power usage during movement of a printer carriage over a print medium along a scan axis. The increase method further comprises detecting a location of the printer carriage at a time of the detected power usage increase and determining, based on the detected location of the printer carriage, whether the print medium is damaged.

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 printer includes: an installation case to which a cartridge having a first memory is installed, a printing unit which performs printing by using a print material supplied from the cartridge, a sensor which outputs a detection value according to an amount of the print material stored in the cartridge, a cartridge interface communicable with the first memory, a second memory, and a controller. The first memory stores cartridge information including: cartridge identification information and residual amount information according to the amount of the print material stored in the cartridge. The controller acquires the cartridge identification information and the residual amount information from the first memory, stores history information in the second memory, and updates the residual amount information of the history information based on information according to the amount of the print material discharged by the printing unit.

Abstract: A remanufactured ink cartridge and an electronic patch are provided in the present disclosure. A remanufactured ink cartridge includes an ink accommodation container; an original chip disposed at an outer side of the ink accommodation container, where the original chip includes a first memory; and an electronic patch disposed between the original chip and the ink accommodation container. The electronic patch includes a second memory and first programming terminals electronically connected to the second memory; the first programming terminals are configured to program data for repairing to the second memory; the data for repairing is configured to repair or replace at least a portion of data in the first memory; and at least one of the first programming terminals is exposed outside the original chip.

Abstract: A cartridge for an aerosol-generating system includes a sensor including a capacitor with a first capacitor plate and a second capacitor plate, a storage portion for storing an aerosol-forming substrate, and a vaporizer. The storage portion is between the first capacitor plate and the second capacitor plate. The permittivity of the liquid storage portion changes upon a change of the volume f the liquid aerosol-forming substrate held in the liquid storage portion. The sensor is configured to measure the capacitance of the capacitor. The measured capacitance relates to a corresponding permittivity of the aerosol-forming substrate held in the storage portion so that the amount of the volume of the aerosol-forming substrate held in the storage portion is determinable from the measured capacitance.

Abstract: Examples disclosed herein relate to identifying an amount of remaining supply of a print material, selecting one of a plurality of threshold ranges associated with the amount of remaining print material, and updating a visual indicator indicative of the selected one of the plurality of threshold ranges.

Abstract: A printing system includes a printing device, a color management server, and a client device. An estimated ink use is determined for a print job within printing system. After printing operations, a baseline average ink use is determined for a set of printed pages of the print job. If the baseline average ink use varies from the estimated ink use, then a corrective action is taken to adjust ink use to be closer to the estimated ink use. The corrective action is a global corrective action for the entire document of the print job or a targeted action that adjusts only specified features or pages of the document.

Abstract: A system includes: a housing; a first tank; a second tank; a first reservoir configured to be connected to the first tank; a second reservoir configured to be connected to the second tank; and a liquid discharge head that ejects the liquid supplied from the first tank and the second tank. The housing includes: a front wall; a rear wall facing the front wall; and a housing side contact, the first reservoir and the second reservoir includes: a liquid flow hole; a first outer wall; and a second outer wall facing the first outer wall, the first tank includes a first flow pipe, and the second tank includes a second flow pipe. The system further includes a circuit board that is disposed on the second outer wall and has a reservoir side contact that contacts the housing side contact.

Abstract: Provided is a method of operating an image forming apparatus. The method includes: calculating a remaining lifespan of at least one component consumed through an image forming job in the image forming apparatus; determining whether to proceed with a refill operation to refill a toner in a cartridge of the image forming apparatus, based on the remaining lifespan of the at least one component; and displaying guide information to guide the refill operation based on a result of the determining.

Abstract: A liquid ejection apparatus includes a housing provided at least with an upper surface and side surfaces, and a liquid tank that is arranged in the housing and is refillable with a liquid from outside. A display unit that indicates a remaining liquid amount in the liquid tank is arranged at least at one of joining portions each joining the upper surface to one of the side surfaces.

Abstract: An image forming apparatus includes: a casing having an opening; a cover for opening and closing the opening; a cartridge attachable to the casing through the opening; and a controller. The casing includes a first memory. The cartridge includes a second memory storing consumption state information representing a consumption state of the cartridge. The controller performs: determining whether the cartridge attached to the casing is unused; storing, when the attached cartridge is unused, the consumption state information acquired from the second memory in the first memory; determining, when the image forming apparatus is powered on or the cover is closed, whether the consumption state information in the first memory and the consumption state information in the second memory match; permitting use of the cartridge when the two sets of consumption state information match; and prohibiting use of the cartridge when the two set of consumption state information does not match.

Abstract: An ink cartridge includes an ink chamber that stores ink. A protruding chamber protrudes upward from the ink chamber in a gravitational direction when the ink cartridge is used. A swing body has a float and a detection portion, and a detection chamber in which the detection portion moves and with which an amount of ink stored in the ink chamber is detected in accordance with a position of the detection portion. In the ink cartridge, a pivot center of the swing body that pivotally moves is disposed inside the protruding chamber.

Abstract: An ink-jet printing apparatus includes an ink-cartridge mounting unit to which an ink cartridge having a first ink chamber containing ink is to be mounted, and a second ink chamber. The second ink chamber stores ink supplied from the first ink chamber. The ink-jet printing apparatus is configured such that, in a case where the ink cartridge is mounted to the ink-cartridge mounting unit, the second ink chamber can be viewed from outside of the ink-jet printing apparatus. An equation 0.5?L?d?1.2 L is satisfied, where d is a length of the second ink chamber, and L is a length of the ink cartridge in a direction in which the ink cartridge is inserted into the ink-jet printing apparatus.

Abstract: An Imaging device includes a print monitoring engine to monitor an ink level of an ink cartridge installed in the imaging device and track a print count for each ink level. The print count for each ink level indicates a number of prints printed during a one percent drop in the ink level. Further, a print capacity estimation engine is to determine an average print rate for the ink cartridge based on the print count for each one percent drop in ink level and determine a print capacity estimate of the ink cartridge based at least on the average print rate and the current ink level. Further, an Ink cartridge controlling engine is to deactivate the ink cartridge upon occurrence of a predetermined event and activate the deactivated ink cartridge in response to an activation input from a user, wherein the activation input is based on the print capacity estimate.

Abstract: In an example, a method includes, by logic circuitry associated with a replaceable print apparatus component installed in a print apparatus, responding to a sensor data request received from the print apparatus by returning a first response; receiving a calibration parameter from the print apparatus; and returning a second response which is different from the first response.

Abstract: A controller determines, for each cartridge, whether a remaining amount in a first liquid chamber is smaller than a first liquid amount; in response to determining that a first cartridge exists for which the remaining amount is smaller than the first liquid amount, determines, for each cartridge other than the first cartridge, whether the remaining amount is smaller than a second liquid amount larger than the first liquid amount; in response to determining that a second cartridge exists, determines whether a remaining amount of the second cartridge is smaller than the first liquid amount, the second cartridge having the remaining amount smaller than the second liquid amount; and in response to determining that a particular second cartridge exists, displays a first screen including a first object that prompts replacement of the first cartridge and the particular second cartridge having the remaining amount smaller than the first liquid amount.

Abstract: In one example in accordance with the present disclosure, a fluid extraction system is described. The fluid extraction system includes an interface to fluidically and electrically couple a removable extraction reservoir to a printing device. A return line of the fluid extraction system is to connect the interface and a reservoir of the printing device. The fluid extraction system includes a switch to 1) responsive to attachment of the removable extraction reservoir to the printing device, open the return line to direct fluid form the reservoir to the interface and 2) responsive to removal of the removable extraction reservoir from the printing device, close the return line.

Abstract: A printer includes a print head to print a pixel by ejecting drops of a printing fluid from the print head, and a controller. The controller monitors a drop volume of the printing fluid ejected by the print head. When the drop volume is below a threshold, the controller controls the print head in accordance with a first print mode to increase the frequency of ejecting drops of the printing fluid within the pixel print time with a decrease in the drop volume that maintains a print quality parameter. The controller changes to a second print mode to increase the pixel print time that maintains the print quality parameter.

Abstract: An image forming apparatus, having a first container with a first compartment, a second container with a second compartment, a recorder, a display, and a controller, is provided. The controller controls the display to display a first screen and a second screen. The first screen contains a first object having a form that reflects an amount of a colorant in the first compartment and a second object having a form that reflects an amount of the colorant in the second compartment. The second screen contains a third object having a form that reflects one of the amount of the colorant in the first compartment, the amount of the colorant in the second compartment, and a total amount of the colorant in the first compartment and the second compartment.

Abstract: A physical quantity detection device including a container that is formed with an accommodation space accommodating a detection object formed of a dielectric, a first electrode and at least one second electrode that face with each other via the accommodation space, and an electrostatic capacitance detector that detects an electrostatic capacitance between the first electrode and the second electrode by applying an alternating current voltage between the first electrode and the second electrode. A frequency of the alternating current voltage applied between the first electrode and the second electrode is 1 kHz or higher.

Abstract: A sensor circuit for a replaceable print apparatus component comprises an interface to transmit signals with respect to a print apparatus logic circuit, and further comprises, connected to the interface, at least two sensor cell arrays, each array including nominally the same cells, the cells of one array being nominally different than the cells of the other array, and at least one single cell sensor that is nominally different than the other cells.

Abstract: A system for maintaining a desired pressure difference between a first pressure within a chamber and a reference pressure at a reference space. The system may include a peristaltic pump located along a duct that connects the chamber with the reference space. The system may further include a pressure sensor for monitoring an actual pressure difference between the first pressure within the chamber and the reference pressure at the reference space. The system may also include a controller for receiving a signal from the pressure sensor for determining the actual pressure difference from the pressure sensor and for operating the peristaltic pump, in accordance with the actual pressure difference and the desired pressure difference, to increase, decrease or leave unchanged the pressure within the chamber so as to maintain the actual pressure difference within predetermined proximity to the desired pressure difference.

Abstract: A printer includes an ink tank, a print head that performs printing by using ink in the ink tank, a light source that emits light into the ink tank, a sensor that detects light incident from an ink tank side in a period during which the light source emits light and outputs pixel data, and a processing section that determines an ink amount based on an output of the sensor. A pitch of a plurality of lenses is k times a pixel pitch of the sensor, k being an integer of 2 or more, and the processing section detects the ink amount based on a sum of outputs of k continuous pixels.

Abstract: An example device capable of predicting print substance end-of-life (EOL) comprises a container to hold a print substance, the container comprising a refill port through which print substance is to be introduced into the container. The example device also comprises a processor to receive signals indicative of an amount of print substance introduced via the refill port. The processor is also to predict a print substance end-of-life (EOL) based on the amount of print substance introduced.

Abstract: A recording apparatus including: a recording head that includes an ejection component that ejects a liquid; a circulation unit configured to perform a circulation operation of circulating the liquid in a circulation route including the recording head; a cleaning mechanism that performs a cleaning process with respect to the recording head; and a preliminary ejection unit configured to perform a preliminary ejection operation of preliminarily ejecting the liquid from the ejection component. The cleaning mechanism performs the cleaning process in a state in which circulation of the liquid is stopped, and at least one of the circulation operation by the circulation unit and the preliminary ejection operation by the preliminary ejection unit is performed after the cleaning process.

Abstract: A container stores a fluid for use in an ink jet printer. The container includes: a casing that defines a storage space for storing the fluid, and has an opening communicating with the storage space; a film that covers the opening and seals the storage space; and a film attachment section that fixes the film to the casing. The casing includes a first surface that surrounds a periphery of the opening, and faces the film, and a second surface that surrounds the opening at a position farther from the opening than the first surface, has an angle intersecting the first surface, and faces the film, and the film attachment section is provided on the second surface.

Abstract: An example system includes an ink tank including a feeder tank, wherein the feeder tank is to hold a fluid therein, the feeder tank having a port, the feeder tank being under a negative gauge pressure. The example system further includes a print cartridge in fluid communication with the port of the feeder tank, the print cartridge having a nozzle plate. The port of the feeder tank is positioned to a lower corner of the feeder tank distally to the print cartridge, wherein the nozzle plate is disposed above a predetermined level within the feeder tank when the system is not tilted, the predetermined level corresponding to a free surface of a predetermined volume of the fluid when the system is not tilted. When the system is tilted to position the nozzle plate below the port, the volume of fluid uncovers the port.

Abstract: Aspects relating to an ink container for an image reproduction device are described herein. The ink container includes a body and an electrical connection. The body is formed by molding a polymer material having a metal seed layer. The electrical connection is formed by metallizing a plurality of traces in the metal seed layer. The electrical connection extends from an inside wall of the ink container to an outer wall. A width of the electrical connection on the inside wall of the ink container gradually varies from a bottom of the ink container to a rim.

Abstract: A cartridge includes a concave portion. The concave portion has an opening, first and second side walls, and a bottom wall, and the bottom wall has a tilted surface tilted. The tilted surface is provided with a cartridge side terminal group. The first side wall is provided with a first restriction portion which restricts movements in a +Z axis direction and a +X axis direction of an apparatus side terminal unit, and the second side wall is provided with a second restriction portion which restricts movements in the +Z axis direction and a ?X axis direction of an apparatus side terminal unit.

Abstract: A bag-in-box fluid supply may include a bag comprising a spout extending therefrom, the spout including a flange coupled to a surface of the bag and comprising a lip formed on the spout distal to the bag; a box formed around the bag to maintain the bag therein; a wedge to wedge a surface of the box between the lip and a surface of the bag; and a fluid interface to fluidically interface with the spout of the bag, the fluid interface including a fluidic channel and a collar disposed on a first end of the fluidic channel to secure the fluid interface to the spout.

Abstract: An inkjet printing apparatus includes a first and second tanks, and a printer section including an inkjet head which ejects ink droplets toward a printing medium. The inkjet printing apparatus includes a first supply system which supplies ink from the first tank to the second tank, a second supply system which includes an ink supply pump and supplies ink from the second tank to the printer section, and a remaining amount detection unit which detects the amount of ink remaining in the first tank. The remaining amount detection unit calculates the amount of ink transferred from the first tank to the second tank in a measurement period during which ink is supplied from the first tank to the second tank, based on an increase in the amount of the ink stored in the second tank in the measurement period and the operation state of the pump in the measurement period.

Abstract: An image forming device and an operating method are provided. The operating method included outputting a notification indicating that a cartridge in an image forming device needs to be refilled with toner, in accordance with the notification, performing a preparatory operation for entering a refill mode when it is determined that an operation mode of the image forming device is to be switched to the refill mode for refilling the cartridge with toner, when the preparatory operation is completed, controlling the image forming device such that only an operation related to the toner refilling is performed according to the refill mode, and when the refill mode is terminated, switching the operation mode of the image forming device to a job mode for performing a predetermined job in the image forming device.

Abstract: A printer is provided that includes a first ink storage unit storing ink, a second ink storage unit storing ink supplied from the first ink storage unit, a discharge head configured to discharge ink, a carriage configured to move the discharge head and the second ink storage unit, and a tube coupling the first ink storage unit and the second ink storage unit. The second ink storage unit includes an ink supplying port to which the tube is coupled, a communication hole communicating making inside and outside of the second ink storage unit communicate with each other, and a light-transmissive surface which is transparent or translucent. The communication hole and a portion of the light-transmissive surface are located at a position vertically higher than a front surface of the carriage in a state where the second ink storage unit is mounted on the carriage.

Abstract: An inkjet recording apparatus configured to perform recording operation by ejecting ink at least from a first recording head, includes an ink tank configured to contain the ink to be supplied to the first recording head, a tube configured to connect the first recording head and the ink tank, and a carriage including a first mounting portion on which the first recording head is mounted, a second mounting portion on which a second recording head is detachably mounted, and a contact portion electrically connected to the second recording head, and configured to reciprocate. A protection member protecting the contact portion can be detachably mounted on the second mounting portion.

Abstract: A system for detecting a filling level in a printing fluid waste container comprises a waste container that collects excess printing fluid in a reservoir, and an optical sensor unit that detects a filling level of the reservoir on a filling reference surface.

Abstract: A liquid discharge device includes a case receiving a cartridge having a first liquid chamber, a tank having a second liquid chamber, a head, a liquid level sensor and a controller configured to: based on receiving, from the liquid level sensor, a second signal after receiving a first signal, determine a total liquid amount Vt as a fixed value A; receive a second discharge instruction; update a second count value with a value equivalent to an amount of the liquid instructed to be discharged by the second discharge instruction; subtract the second count value from the total liquid amount Vt determined as the fixed value A to calculate the total liquid amount Vt; and determine the liquid amounts Vc and Vs based on the obtained total liquid amount Vt.

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 supply unit supplies predetermined liquid from a liquid storage container storing the liquid to a liquid injection head for injecting the liquid. The liquid supply unit includes a pressure chamber, a first supply passage, a second supply passage, a bypass supply passage and a pressurizing mechanism. The pressure chamber is capable of storing the liquid. The first supply passage allows communication between the liquid storage container and the pressure chamber. The second supply passage allows communication between the liquid injection head and the pressure chamber. The bypass supply passage has an upstream end in a liquid supply direction connected to the first supply passage and a downstream end joining the second supply passage. The pressurizing mechanism is arranged in the bypass supply passage and pressurizes the liquid flowing in the bypass supply passage.

Abstract: A liquid consuming device includes an installation case configured to receive a cartridge having a first liquid chamber storing a liquid, a tank having a second liquid chamber, a flow path communicated with the first and second liquid chambers, a head communicated with the second liquid chamber and a first controller configured to: determine a total amount Vt of a first liquid amount in the first liquid chamber that is installed in the installation case to communicate with the second liquid chamber through the flow path and a second liquid amount in the second liquid chamber that communicates with the first liquid chamber of the cartridge installed in the installation case through the flow path; and transmit, through a first communication interface that is connected to an external device, total amount information indicating the determined total amount Vt.

Abstract: A printing apparatus comprises a main tank, an intermediate tank, and a control unit controlling an amount of the ink stored in the intermediate tank by a normal replenishing operation for increasing an ink remaining amount to a normal amount more than a first reference amount by feeding the ink from the main tank to the intermediate tank if the ink remaining amount falls below the first reference amount. The control unit controls the amount of the ink stored in the intermediate tank by an extraordinary replenishing operation for increasing the ink remaining amount to a second reference amount by feeding the ink from the main tank to the intermediate tank if the ink remaining amount falls below the second reference amount less than the first reference amount when the main tank held is exchanged.

Abstract: A liquid ejection device includes a liquid ejection head and a liquid supply unit configured to supply liquid to the liquid ejection head. The liquid ejection head includes a plurality of liquid discharge holes, individual passages configured to individually supply the liquid to the respective liquid discharge holes, and a common passage configured to supply the liquid to the individual passages. The liquid supply unit includes a pressure chamber capable of storing the liquid, a first supply passage allowing communication between the liquid storage container and the pressure chamber, a second supply passage allowing communication between an upstream side of the common passage and the pressure chamber, a return passage allowing communication between a downstream side of the common passage and the pressure chamber, and a pump mechanism capable of circulating the liquid at least through the second supply passage, the common passage and the return passage.

Abstract: A liquid consuming device includes an installation case configured to receive a cartridge having a first liquid chamber storing a liquid, a tank having a second liquid chamber, a flow path communicated with the first and second liquid chambers, a head communicated with the second liquid chamber and a first controller configured to: determine a total amount Vt of a first liquid amount in the first liquid chamber that is installed in the installation case to communicate with the second liquid chamber through the flow path and a second liquid amount in the second liquid chamber that communicates with the first liquid chamber of the cartridge installed in the installation case through the flow path; and transmit, through a first communication interface that is connected to an external device, total amount information indicating the determined total amount Vt.

Abstract: Provided is an electronic apparatus including an image reading unit that reads a document by using a first sensor module having m linear image sensor chips, an ink tank, a print head, and a second sensor module having n (n<m) linear image sensor chips and detecting light incident from the ink tank, and a processing unit that detects an amount of ink in the ink tank based on an output of the second sensor module.

Abstract: A liquid discharge device includes a storage tank, a discharge head, a liquid feeder, a supply tank, a liquid path, a branch path, and a flow regulator. The liquid feeder is configured to feed liquid from the storage tank to the discharge head in a liquid feed direction. The supply tank is disposed upstream of the discharge head in the liquid feed direction, to store the liquid fed by the liquid feeder while being in a state open to atmosphere. The liquid path is configured to flow the liquid from the liquid feeder to the supply tank. The branch path is connected to the liquid path and configured to cause part of the liquid to branch from the liquid path. The flow regulator is disposed downstream of the discharge head in the liquid feed direction and configured to control a flow rate of the liquid flowing into the discharge head.

Abstract: In an information processing apparatus, a processor acquires first and second information on residual quantities of printing agent stored in first and second cartridges respectively. The first cartridge is mounted on a portion including a tank. The processor generates display screen data including first and second objects. The first object has a first position corresponding to a minimum residual quantity of the printing agent in a first state where the printing agent remains in the first cartridge. The second object has a second position corresponding to a maximum residual quantity of the printing agent, and a third position corresponding to a minimum residual quantity of the printing agent in a second state where the printing agent does not remain in the first cartridge but remains in the tank. The first position and one of the second and third positions are aligned at a reference position.

Abstract: In an image-recording device, a cartridge has a first chamber, a first outlet, and a first sensor. A mount body includes a tank in connection with the cartridge, and a second sensor. The tank has an inlet, and a second chamber. The liquid in the first chamber is capable of flowing into the second chamber via the first outlet of the cartridge and the inlet of the tank. The first sensor outputs a first signal when a level of the liquid in the second chamber is higher than a first position, and outputs a second signal when the level is lower than the first position. The second sensor outputs a third signal when the level is higher than a second position, and outputs the fourth signal when the level is lower than the second position.

Abstract: A liquid discharge device includes a case receiving a cartridge having a first liquid chamber, a tank having a second liquid chamber, a head, a liquid level sensor, an alarm and a controller configured to: receive a first signal or a second signal when a position of a liquid level in the second liquid chamber is equal to or higher than or lower than a predetermined position; operate the alarm when receiving the second signal after the first signal; cancel the operation of the alarm based on determining of installation of the cartridge; and operate the alarm based on determining that a first elapsed time from a time when determining the installation of the cartridge reaches a predetermined time and the second signal is received from the liquid level sensor without receiving the first signal.

Abstract: An example device capable of predicting print substance end-of-life (EOL) comprises a container to hold a print substance, the container comprising a refill port through which print substance is to be introduced into the container. The example device also comprises a processor to receive signals indicative of an amount of print substance introduced via the refill port. The processor is also to predict a print substance end-of-life (EOL) based on the amount of print substance introduced.

Abstract: When an adjustment sheet is set on a recording surface of a medium, the adjustment sheet is transported together with the medium in a transport direction by a transport unit of a recording device. The adjustment sheet includes a first surface that contacts the recording surface, and a second surface that is a surface located opposite to the first surface and includes an adjustment region being a region in which an adjustment pattern detectable by a detection unit of the recording device is formed. A prescribed pattern has been formed in a region different from the adjustment region on the second surface.