Abstract: An aerosol-based printing apparatus is provided capable of producing an aerosol stream at a constant rate and constant material deposition to a substrate to provide high-definition, high-resolution traces. The aerosol-based printing apparatus provides production, transport, and delivery of an aerosol stream at a constant rate for a period of time of at least 8 hours and other instances more than 24 continuous hours of constant operation. By inhibiting bulging and necking of the deposited trace, superior line width tolerances are achieved, and such tolerances are maintained for extended periods of time, thereby allowing for both the deposition of complex traces as well as consistent manufacture of duplicate articles that maintain the tolerances across a production ran. The accumulation of fluids in the aerosol and gas transport conduits are eliminated, thereby eliminating the need for purge or cleaning cycles and allowing for uninterrupted operation for a minimum of 24 hours.

Abstract: A liquid ejecting head includes a first drive circuit including a switching element that selects, from a plurality of drive elements, a drive element to which a drive signal for ejection of liquid through a nozzle is sent, a case defining a first accommodating portion that is a space accommodating the first drive circuit, and a first gas supply passage that is in communication with the first accommodating portion and through which gas is supplied to the first accommodating portion.

Abstract: A liquid discharge apparatus includes a discharge device, a driving device, processing circuitry, and a reading device. The discharge device discharges liquid to a recording medium to form a test pattern. The driving device causes the discharge device to discharge the liquid according to a driving waveform. The processing circuitry inputs a plurality of driving waveforms and acquires first data indicating a standard pattern that corresponds to the driving waveform and is formed with the driving waveform or indicating a parameter of the standard pattern. The reading device reads the test pattern to generate second data. The processing circuitry compares the second data with the first data and selects a driving waveform generating a smallest difference between the second data and the first data, based on a result of comparison of the second data with the first data.

Abstract: A liquid ejection head of a side shooter type includes a plate including nozzles arranged along a first direction and through which liquid is ejected, an actuator including pressure chambers communicating with the nozzles, dummy chambers each disposed between two adjacent pressure chambers, and sidewalls separating the chambers along the first direction and deformable to change a volume of each pressure chamber according to a signal, and covers having apertures and partly covering both ends of each pressure chamber in a second direction intersecting the first direction such that the pressure chambers communicate with a common chamber at both ends thereof through the apertures. Each cover includes a first portion on and between the sidewalls and a second portion other than the first portion, and a first length of the first portion is equal to or greater than a second length of the second portion in the second direction.

Abstract: An image forming apparatus includes: a transfer cylinder that rotates; a rotating member that is coaxial with the transfer cylinder and rotates integrally with the transfer cylinder; a circulating member that is provided with a holding part that holds a front end portion of a recording medium, is suspended around the rotating member, and transports the recording medium by circulating as the rotating member rotates; and a transfer unit that has a transfer belt that sandwiches the recording medium transported by the circulating member at a nip position together with the transfer cylinder so that an image is transferred onto the recording medium. The nip position is located on one side relative to a center of the transfer unit in a horizontal direction when viewed from an axial direction of the rotating member, and a center of mass of the transfer unit is located on a nip position side relative to the center in the horizontal direction.

Abstract: A pressure fluctuation suppression device including a suppressor and a detector. The suppressor is disposed on a flow path of a liquid and suppresses fluctuations in pressure of the liquid in the flow path. The detector detects deterioration of a suppression function of the suppressor.

Abstract: An inkjet printing method includes moving an inkjet head to discharge ink to a substrate including printing row areas, discharging ink to a first printing row area and a second printing row area among the printing row areas, discharging ink to a third printing row area among the printing row areas and the second printing row area, and discharging ink only to the first printing row area.

Abstract: Examples of conductive connections are described herein. Some examples of a fluid ejection device may include an electrically conductive non-metal structure in contact with fluid in a fluid reservoir. Some examples of the fluid ejection device may include conductive adhesive forming a conductive connection between the electrically conductive non-metal structure and circuitry.

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 printing apparatus includes a transport device for moving an object to be printed-on through a printing region of the printing apparatus in a predefined transport direction. A first printing head is configured for depositing a viscous printing material, the first printing head being slidable along a first sliding axis, which is perpendicular to the transport direction, by a first printing-head moving apparatus. A second printing head is configured for depositing the viscous printing material, the second printing head being slidable along a second sliding axis, which is parallel to the first sliding axis and is offset in the transport direction, by a second printing-head moving apparatus. The first and second sliding axes can each be moved in the transport direction by a moving apparatus that is controllable by a control apparatus.

Abstract: A label printer includes an under cover, a top cover, a label peel-off unit, an interfering member supporting member, an interfering member, and an interfered member. The top cover moves between a first position where the top cover is opened and a second position where the top cover is closed with respect to the under cover. The label peel-off unit moves between a third position where the label peel-off unit is opened and a fourth position where the label peel-off unit is closed with respect to the under cover. The interfering member abuts against an exterior member of the label peel-off unit. The interfered member is a part of the exterior member of the label peel-off unit, and protrudes toward an upstream side in the label conveyance direction and is at a position where the interfered member abuts against the interfering member.

Abstract: An image recording device includes a display panel, a cartridge mount, an information input interface, memory, and a controller. The controller obtains service provider information through the information input interface, stores the obtained service provider information in the memory, obtains first identification information or second identification information related to a cartridge mounted in the cartridge mount, sets an operation mode to a first mode in response to obtaining the first identification information, sets the operation mode to a second mode in response to obtaining the second identification information, causes the display panel to display a type of the cartridge in response to setting the operation mode to the first mode, and causes the display panel to display the service provider information in response to setting the operation mode to the second mode.

Abstract: An image forming apparatus includes an image forming device, a transport belt, an optical sensor, an ultrasonic sensor, and a controller. The transport belt transports the recording sheet. The optical sensor emits light to the transport belt, and receives the light reflected by the transport belt. The ultrasonic sensor transmits ultrasonic wave to the transport belt, and receives the ultrasonic wave transmitted through the transport belt. The controller decides whether an output from each of the optical sensor and the ultrasonic sensor represents a normal value or an abnormal value, and executes predetermined control, depending on a combination of decision results about the respective outputs from the optical sensor and the ultrasonic sensor.

Abstract: There is provided liquid discharging head including common liquid chambers each extends along first direction and arranged in second direction orthogonal to the first direction; and individual channels each communicates with one of the common liquid chambers and each has nozzle. The liquid discharging head has first and second ends in the second direction. The common liquid chambers include intermediate common liquid chamber interposed between two of the common liquid chambers and expanded common liquid chamber closest to the first end, length of the expanded common chamber in the second direction being longer than length of the intermediate common chamber in the second direction. The nozzles of the individual channels communicating with the expanded common chamber are positioned on a side of the second end with respect to the expanded common chamber without being positioned on a side of the first end with respect to the expanded common chamber.

Abstract: A nozzle plate of a fluid ejection head for a fluid ejection device, a fluid ejection head containing the nozzle plate, and a method for making the fluid ejection head containing the nozzle plate. The nozzle plate includes an array of nozzle holes and a fluid channel layer attached to an exposed surface of the nozzle plate, wherein the fluid channel layer comprises a fluid channel formed in the fluid channel layer adjacent to each nozzle hole for urging fluid from each nozzle hole.

Abstract: A self-propelled printer is provided having communication circuitry to receive print data for an image to be formed. A drive mechanism of the printer to provides locomotion of the entire self-propelled printer and a print head is arranged to transfer a print material onto a print medium. Processing circuitry to generates an image formation path to be traversed by the print head via locomotion of the self-propelled printer. The image formation path is based at least in part on the received print data. The processing circuitry controls the drive mechanism to autonomously drive the self-propelled printer along the image formation path. A corresponding method and computer program for generating a 2D image using a self-propelled printer are provided.

Abstract: A base board includes a board and a controller mounted on the board. A controller is configured to receive signals outputted from a first sensor and a second sensor. A recording head, a case, the first sensor, a maintenance unit, a waste liquid container, the second sensor, and the base board are arranged in an internal space of a housing. The base board has a flat surface extending in a first horizontal direction and in a second horizontal direction. A range occupied by the base board in a vertical direction overlaps each of a range occupied by the first sensor in the vertical direction and a range occupied by the second sensor in the vertical direction. The second horizontal direction is perpendicular to the first horizontal direction. The vertical direction is perpendicular to both the first horizontal direction and the second horizontal direction.

Abstract: A liquid container includes a liquid chamber defined by an upper wall, a lower wall, and a peripheral wall, a refill port, a liquid outlet port through which ink is supplied from the liquid chamber to the outside, and a first longitudinal partition extending upward from the lower wall and configured to partition the liquid chamber into a first liquid containing portion and a second liquid containing portion in a horizontal direction. A first lateral communication passage is positioned between an end portion of the first longitudinal partition in the horizontal direction and the peripheral wall. The liquid outlet port is disposed in one of the first liquid containing portion and the second liquid containing portion.

Abstract: A printing apparatus includes a carriage mounted with a printing unit, a belt, a first motor configured to drive the belt at one end in a widthwise direction, a second motor configured to drive the belt at the other end in the widthwise direction, and a control unit configured to control the first motor and the second motor. The control unit performs first control by driving the first motor in which the carriage moves from a state in which the carriage is stopped. In the control, the second motor is controlled from a first state in which its torque is lower than that of the first motor to a second state in which its torque is higher than that in the first state.

Abstract: A method for operating a printer can include draining a print material from a printer, placing a sacrificial metal into the printer, ejecting the sacrificial metal from a nozzle of the printer, and cooling to printer to a temperature that is below a melting point of the print material and the sacrificial metal. The print material can be or include aluminum and the sacrificial metal can be or include tin. The print material can be drained from the printer when the print material is in molten form, for example, from about 600° C. to about 2000° C. The sacrificial metal can be ejected from the nozzle at a temperature above the melting point of the sacrificial metal but below the melting point of the print material, for example, below about 300° C. The method can reduce or eliminate cracking of various printer structures such as the nozzle during a shutdown or cooling of the printer.