Abstract: A recording apparatus includes a transport belt that transports a target, a record head that performs recording by adhering liquid to the target that is loaded on the transport belt so as to be transported, a heating unit that heats the transport belt so as to accelerate drying the liquid that is recorded on the target by the record head, and a cooling unit that forcedly cools a portion of the transport belt that is heated by the heating unit in a position located in the middle in moving the portion of the transport belt to a position corresponding to the record head.

Abstract: A printing method and a printing apparatus of the present invention are capable of performing both a vertical registration adjustment in which a range of nozzles used for printing is limited and a vertical registration adjustment in which print data is shifted. More specifically, switching is performed between the vertical registration adjustment in which a range of nozzles used for printing is limited and the vertical registration adjustment in which print data is shifted, in accordance with conditions such as a printing mode, types of printing medium, and the like. Thereby, an improvement of a throughput by a printing apparatus and an improvement of an image quality printed by the printing apparatus can be together achieved.

Abstract: The Niyama number of a flow path for phase change ink is the ratio of cooling rate of the ink to the thermal gradient of the ink along the ink flow path. Print head assemblies can be designed and configured to achieve ink flow paths having Niyama numbers that are greater than a critical Niyama value. These designs reduce entrapment of air in the ink as the ink is changing phase and provide optimal bubble and void mitigation for phase change ink. The thermal gradient of the ink flow path can be achieved using passive and/or active thermal elements disposed along the ink flow path.

Abstract: An ink jet recording head 10 is provided which includes: piezoelectric elements 17 as a pressure generation unit that causes pressure change in pressure generation chambers 11 which are communicated with nozzle openings 13 that eject liquid; a driving circuit 60 as a driving unit that generates a driving signal for driving the pressure generation unit; a case head 20 that accommodates therein the driving unit; and a thermal conductor 35 that is in contact with the driving unit and the case head 20, in which the thermal conductor 35 and the case head 20 are fixed to each other via an thermally conductive adhesive layer 72 as a thermally conductive layer.

Abstract: An apparatus and method which can suppress the occurrence of set off when recording media are stacked on a discharge unit. Ink droplets are ejected to a sheet by inkjet heads in a drawing section, and an image is fixed to the sheet by heating in a fixing section. After that, during the sheet is conveyed by a conveying belt, cooling air is sent to plural fans by a cooler such that the cooling air is blown against the fans, and air is blown to the sheet by the plural fans. Accordingly, the sheet which is after fixing is cooled. The sheet, which has been cooled during being conveyed by the conveying belt, is stacked on a discharge tray.

Abstract: An inkjet printer has been developed that reduces the effects of show-through by depositing ink onto a cooled print medium. The inkjet printer includes a printhead and a cooler. The printhead is configured to eject ink onto an ink receiving member as the ink receiving member is transported along a portion of a media path through the inkjet printer. The cooler is positioned proximate the media path to cool the ink receiving member prior to the printhead ejecting ink onto the ink receiving member.

Abstract: An ink jet printer printing an image using a plurality of types of color ink. The heat exchanger cools and heats the ink to adjust the temperature of the ink. The heat exchanger has a contact and separate mechanism which, for ink cooling, tightly contacts a radiation section with a heat exchange section and which, for ink heating, separates the radiation section from the heat exchange section.

Abstract: An inkjet printer includes a platen having a placing face, a printing device, and a printing medium feeding device. A guide is provided on a feeding-out side via which a printing medium is to be fed out from the platen. The guide has a guide face. A printing medium temperature raising device is to heat the guide face so as to raise a temperature of the printing medium placed on the guide face. A temperature raising preventing device is provided between the guide face of the guide and a portion of the placing face facing a printing target region. The temperature raising preventing device is configured to prevent an extended portion of the printing medium from being heated by the printing medium temperature raising device. The extended portion corresponds an area which is extended to the feeding-out side by a predetermined length from the printing target region.

Abstract: An element substrate capable of obtaining a high-quality printed image for a long period. The element substrate has a plurality of heaters, driving elements each of which is provided in correspondence with each of the plurality of heaters to selectively drive the plurality of heaters, an input terminal to receive a driving mode selection signal, and a block selection circuit which time-divisionally drives, in blocks of different timings, heaters in each of a plurality of groups each including a predetermined number of heaters and driving elements. The element substrate includes a logic circuit which time-divisionally drives the heaters in the group when the selection signal input from the input terminal is a signal for selecting a first driving mode, and simultaneously drives all heaters in the group when the selection signal is a signal for selecting a second driving mode.

Abstract: In a printer for printing a recording material, a printer frame bears a printing unit with a plurality of print heads arranged substantially horizontal and transverse to a transport direction of the recording material. A distributor is provided for air and a coupling unit is arranged stationary in the printer frame and via which air is supplied to the distributor. The distributor comprises at least one cooling air segment to supply cooling air in a vertical direction to the print heads and at least one exhaust air segment to discharge heated air.

Abstract: In a transfer inkjet recording system, a cooling unit is configured to independently cool multiple locations in a region in which an intermediate image of an intermediate transfer medium is formed in accordance with one of a temperature of the intermediate transfer medium after being heated by a heating unit or in accordance with image data.

Abstract: A recording apparatus includes: a housing which constitutes an appearance of a recording apparatus body; and an electronic substrate which is vertically disposed along an inner side surface of the housing. Here, an air supply hole and an air exhaust hole are formed on a side surface portion of the housing corresponding to a lower portion and an upper portion of the electronic substrate so that an air-flow path for external air is formed in an installation region in which the electronic substrate is provided.

Abstract: In an ink jet print head formed with ejection nozzles, which may use a wiping member to wipe ink adhered to the surface of the ink jet print head, it is desired to be able to perform a wiping operation in any environment without requiring a large amount of space to accommodate the liquid used during the wiping operation. To this end, a cooling unit is used which can produce water by cooling the atmosphere. This cooling unit is operated to produce water, which is brought into contact with and transferred onto the wiping member before the wiping member performs wiping.

Abstract: An inkjet recording device for ejecting ink onto a recording medium to form an image on the recording medium while a recording head is moved with relative movement to the recordin medium in a direction along an upper surface of the recordin medium including: a recording head for ejecting ink onto a recording medium; a heating device for heating the recording medium; a conveyance device for conveying the recording medium having been heated by the heating device to under the recording head; and a cooling device which is provided in a state of insulation from the recording head, and has a cooling surface which is cooled to a temperature lower than a temperature of a nozzle surface of the recording head, wherein the cooling surface and the nozzle surface of the recording head are disposed along a direction of the relative movement and to face the recording medium.

Abstract: A head array unit includes a plurality of liquid discharging heads configured to discharge liquid and a head supporter configured to support the plurality of liquid discharging heads. The head supporter includes a plurality of liquid inlets, a channel system, and at least two ports. The plurality of liquid inlets is configured to supply liquid to the plurality of liquid discharging heads, respectively. The channel system is configured to sandwich or surround each of the plurality of liquid inlets and contain coolant to control a temperature of the head array unit. The at least two ports are connected to the channel system.

Abstract: An inkjet printer maintenance system includes a manifold having an air removal passageway communicating with an ink reservoir, a valve in the manifold actuatable for opening and closing the air removal passageway for periodically drawing out air from the flow of ink in the ink reservoir and a valve actuator in the form of an electrically conductive wire sensitive to change in temperature. In response to application of electric current, and termination of application of electric current, the wire correspondingly contracts and extends in length causing the opening and permitting the closing of the air removal passageway by the valve.

Abstract: An image forming apparatus performs an image forming operation by driving a ejecting element of a recording head with an ink ejecting drive voltage for ejecting ink, detects a temperature of ink to be flown into the recording head and a temperature of ink to be discharged respectively with a first temperature detection section and a second temperature detection section, and corrects the ink ejecting drive voltage on the basis of a temperature of ink being heat-transferred with the ejecting element, which is estimated with a predetermined conversion formula on the basis of the detected ink temperatures, for controlling an ink amount to be ejected.

Abstract: A recording head where an actuator, a cavity portion and a flexible flat cable are placed one on another is provided in a head holder of a carriage. A drive IC chip is mounted on the flexible flat cable. A bottom plate portion of a first heat sink is in contact with the drive IC chip so as to be thermally conductable, and a side plate portion thereof is disposed in a standing condition. A base end of a second heat sink is in contact, so as to be thermally conductable, with a wiring pattern formed portion of the flexible flat cable between the drive IC chip and the actuator, and a heat dissipating portion of the second heat sink is extended below the bottom plate portion, and a part of the heat dissipating portion is exposed to the outside of the head holder.

Abstract: A thermal inkjet printhead and a method of cooling convectively cool the printhead with ink passing through a feed transition chamber. The thermal inkjet printhead includes a bridge beam and feed channels adjacent to the bridge beam. The printhead further includes a feed transition chamber between inputs to the feed channels and an ink reservoir. The ink flows through the feed transition chamber between the ink reservoir and the feed channels to convectively cool. The method of cooling includes providing the feed transition chamber and flowing ink through the feed transition chamber from the ink reservoir to the feed channels. The flowing ink establishes a temperature gradient between walls of the feed transition chamber and the ink. The temperature gradient facilitates convective cooling of the printhead.

Abstract: An apparatus controls dissipation of heat from melted ink within a component storing melted ink within a solid ink imaging device. The apparatus includes a housing, a passage within the housing that is configured to store melted ink, and a temperature control connector mechanically coupled to the housing and passage, the temperature control connector being configured to mitigate void formation in melted ink as the melted ink cools in the passage.

Abstract: A method is for heating a functional liquid of a droplet discharging device that has a storage which houses a container storing a functional liquid containing a functional material; a droplet discharge head discharging the functional liquid in a droplet; a cooling means included to the storage and cooling the functional liquid; and a supply tube supplying the functional liquid that is cooled in the storage to the droplet discharge head. The method includes: heating the functional liquid in the supply tube with waste heat that is generated correspondingly to cooling of the cooling means.

Abstract: A liquid discharging device is provided. The liquid discharging device includes a sub coolant tank that is held by a carriage and stores a coolant for cooling a discharge head; and a coolant replacement portion that includes a main coolant tank which can communicate with the sub coolant tank, and replaces the coolant in the sub coolant tank with a coolant in the main coolant tank when the main coolant tank communicates with the sub coolant tank. The sub coolant tank does not communicate with the main coolant tank when the carriage is disposed at a liquid discharge position, and the sub coolant tank communicates with the main coolant tank when the carriage is disposed at a liquid refill position.

Abstract: A printer includes a printhead and a source of liquid. The printhead includes a nozzle bore. The liquid is under pressure sufficient to eject a column of the liquid through the nozzle bore. The liquid has a temperature. A thermal modulator is associated with the nozzle bore. The thermal modulator is operable to transiently lower the temperature of the liquid as the liquid is ejected through the nozzle bore. An electrical pulse source is in electrical communication with the thermal modulator. The electrical pulse source is operable to provide a series of pulses to the thermal modulator that control the transient temperature lowering of the liquid. The series of pulses includes a first pulse applied at a first power level for transferring heat to the liquid, a second pulse applied at a second power level for transferring heat to the liquid, and a third pulse applied at a third power level for transferring heat to the liquid. The third power level is in between the first power level and the second power level.

Abstract: In an inkjet printer where an ink recycling path for recycling ink is formed by connecting among an ink head, an upstream tank, and a downstream tank, the inkjet printer includes a temperature detecting unit that detects a temperature of recycling ink, a temperature changing unit that is installed in the ink recycled path and changes the temperature of the recycling ink so that the temperature of the recycling ink reaches a predetermined temperature, and an ink recycling amount changing unit that is installed at the upstream tank and changes an ink recycling amount according to the change in temperature of the recycling ink. Time required to make the temperature of the recycling ink reach the predetermined temperature can be shortened.

Abstract: A temperature leveling system for thermally conditioning ink deposited onto a print media includes a non-contact cooling device for reducing temperatures of ink deposited onto a print media to a first average temperature. A leveler includes a thermal control for maintaining the leveler at a second temperature that is different than the first average temperature. The leveler is configured to bring the temperatures of the ink to within a predetermined range about the second temperature after the reduction in temperature at the non-contact cooling device. A heater is positioned to heat the ink and media to a third temperature after the leveler, the third temperature being greater than the second temperature.

Abstract: An inkjet printer performs printing by circulating cyan, magenta, yellow and black inks in their respective passages. The printer includes a heat exchanger which the passages enter together, and which is configured to promote the temperatures of the inks to be equal to each other.

Abstract: In the ejection process in which the ink is ejected by using the ejection driving pulse, the ink is heated by a heating mechanism. On the other hand, in the maintenance process in which the ejection ability of the printing head is recovered by repeatedly applying the maintenance driving pulse to the piezoelectric oscillator, the ink is cooled by a cooling mechanism.

Abstract: An inkjet printer has been developed that reduces the effects of show-through by depositing ink onto a cooled print medium. The inkjet printer includes a printhead and a cooler. The printhead is configured to eject ink onto an ink receiving member as the ink receiving member is transported along a portion of a media path through the inkjet printer. The cooler is positioned proximate the media path to cool the ink receiving member prior to the printhead ejecting ink onto the ink receiving member.

Abstract: In a droplet ejecting apparatus, a detection pattern output unit drives a droplet ejecting head based on a pulse signal and image information of a detection pattern comprising plural unit patterns so as to form an image of the detection pattern on a recording medium. A correction information generating unit derives a distance between adjacent unit patterns based on the image of a read detection pattern, compares the distance with a distance according to the conveyance velocity of the recording medium by a moving unit, and generates correction information so as to enlarge the pulse width when the derived distance is shorter, and to reduce the pulse width when the derived distance is longer.

Abstract: The present invention provides an inkjet recording apparatus, which performs high resolution image recording by inhibiting propagation of heat from a light-radiation device to a recording medium, is provided with a recording medium conveyance device to convey a recording medium in a conveyance direction; a recording head 10 to emit ink from a nozzle towards the recording medium; a first supporting member 5 to convey the recording medium so that the recording medium faces the recording head; a light radiation device 16 to radiate an activation energy ray towards the in emitted from the recording head; and a second support member 7 to convey the recording medium in a conveyance direction so that the recording medium faces the light radiation device; wherein between the first supporting member 5 and the second supporting member 7, in a recording medium conveyance direction, there are disposed a guide section 6 having a cooling device.

Abstract: A liquid discharging apparatus includes: a liquid discharging head that is provided on a carriage being moved with respect to a recording medium, a recording liquid, which is supplied from a recording liquid supply source, being supplied to the liquid discharging head through a recording liquid flow channel on the carriage; a heat emitting element that emits heat with an discharging operation of the liquid discharging head; a cooling liquid flow channel that is provided on the carriage and passes around the heat emitting element; and a heat sink that is provided between the heat emitting element and the cooling liquid flow channel, at least a part of the heat sink being exposed to the cooling liquid flow channel so as to serve as a part of an inner surface of a wall partitioning the cooling liquid flow channel.

Abstract: A liquid discharging apparatus is provided. The liquid discharging apparatus includes a liquid discharging head that is provided on a carriage reciprocating in a running direction of the carriage, a cooling liquid flow channel that is provided on the carriage; a cooling liquid outgoing channel; and a cooling liquid returning channel, wherein the recording liquid flow channel is led to a first side of the running direction from the carriage, at least one of the cooling liquid outgoing channel and the cooling liquid returning channel is led to a second side that is opposite the first side of the running direction from the carriage, and the recording liquid flow channel and the cooling liquid flow channel are partially separated from each other by a pressure transmission unit so as to enable the recording liquid flow channel and the cooling liquid flow channel to transmit pressure to each other.

Abstract: A droplet discharge device includes an inkjet head including a nozzle plate having a nozzle, the inkjet head aligned so that a droplet of a function liquid discharged from the nozzle is placed on a surface of a target, a heater applying heat to the function liquid at the inkjet head, and an insulating member having an opening corresponding to the nozzle, the insulating member positioned between the target and the nozzle plate so as to prevent heat transmission from the inkjet head to the target.

Abstract: A liquid droplet ejection apparatus includes an ejection head having an ejection surface with an ejection outlet for ejecting a droplet of a functional liquid, a first container connected to the ejection head via a flow path to form a first space for containing the functional liquid that is to be supplied to the ejection head, a second container for containing the first container to form a second space between the first and the second containers, a pressure regulator for adjusting a pressure of the second space, and a temperature regulator for adjusting a temperature of the functional liquid of the first container, at least a part of the first container being made of a film deformed in accordance with an operation of the pressure regulator.

Abstract: The present disclosure is generally directed towards an apparatus for use in printing systems. The apparatus may include an ink filter having an ink chamber configured to allow ink to flow therethrough and a coolant chamber configured to allow coolant to flow therethrough. The coolant chamber may be further configured to cool ink in the ink chamber. Numerous other embodiments are also within the scope of the present disclosure.

Abstract: An electronic device includes an FPC, a circuit chip arranged on the flexible flat cable, a heat sink arranged on the circuit chip to release a heat of the circuit chip, and an elastic member arranged on a lower surface of the FPC. The upper surface of the FPC is large enough to cover a contact surface of the circuit chip. The elastic member does not overlap with an apex portion of the circuit chip, but overlaps with the circuit chip at an inner side of the apex portion. Therefore the elastic member does not press the FPC against the apex portion of the circuit chip. Accordingly, the FPC at a position corresponding to an apex of the circuit chip is suppressed from being distorted, and there is no fear of breaking of wire and exfoliation of the circuit chip.

Abstract: Printers and methods to reduce vapor emissions in printers are disclosed. An example printer is described, including a fan to urge an airflow from a first printer portion, a duct to direct the airflow from the first printer portion and to substantially prevent adding air to the airflow, a condenser in communication with the duct, the condenser comprising a first condensing fin to condense oil in the airflow into a liquid, and an airflow reflection reducer associated with the condenser to reduce reflection of the airflow off of the first condenser fin.

Abstract: An inkjet printer maintenance system includes a manifold having an air removal passageway communicating with an ink reservoir, a valve in the manifold actuatable for opening and closing the air removal passageway for periodically drawing out air from the flow of ink in the ink reservoir and a valve actuator in the form of an electrically conductive wire sensitive to change in temperature. In response to application of electric current, and termination of application of electric current, the wire correspondingly contracts and extends in length causing the opening and permitting the closing of the air removal passageway by the valve.

Abstract: A printer includes a printhead and a source of liquid. The printhead includes a nozzle bore. The liquid is under pressure sufficient to eject a column of the liquid through the nozzle bore. The liquid has a temperature. A thermal modulator is associated with the nozzle bore. The thermal modulator is operable to transiently lower the temperature of the liquid as the liquid is ejected through the nozzle bore.

Abstract: An image recording device include a control section. The control section circulates the ink in the ink path by section of a circulation driving section, sets at least one of the heads selected based on a temperature of the heads as a temperature measurement head, and controls the temperature of the ink based on an output value from a corresponding one of the temperature sensors provided in the temperature measurement head.

Abstract: A system has been developed that controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a heat transfer unit configured to cool the melt plate to arrest the melting of the solid ink within a predetermined time, and a controller configured to actuate the heat transfer unit to selectively cool the melt plate in response to reaching a heater power off phase.

Abstract: A head carriage of an ink-jet printer is equipped with a heat lamp unit. The heat lamp unit is located very close to ink droplets discharged from an ink-jet head and landing on a recording medium and can directly heat and cure the ink droplets, so that the ink droplets can be efficiently fixed. If the heat lamp unit is placed very close to the ink-jet head, clogging of a nozzle of the ink-jet head and thermal failure of the ink-jet head itself may be caused by heat release of the heat lamp unit, but the heat lamp unit can be cooled efficiently by a cooling mechanism which circulates a refrigerant through a refrigerant circulating pipe by a refrigerant circulating pump, so that the ink-jet head can be prevented from being heated.

Abstract: The present invention is to provide an inkjet printing apparatus configured to improve throughput by promoting fixation of ink on a print medium and to effectively promote cooling of a heating member using a relatively simple configuration. To achieve this, the present invention utilizes vaporization heat generated when vaporization components contained in ink ejected to the print medium are vaporized, to take heat from a metal member coming into contact with the print medium. The metal member is then used to cool the print head.

Abstract: Droplet deposition apparatus including at least one droplet ejection unit having a plurality of fluid channels disposed side by side in a row, an actuator, and a plurality of nozzles, said actuator being actuable to eject a droplet of fluid from a fluid channel through a respective nozzle, a support member for said at least one droplet ejection unit, a first conduit extending along said row and to one side of both said support member and said at least one droplet ejection unit for conveying droplet fluid to each of the fluid channels of said at least one droplet ejection unit; and a second conduit extending along said row and to the other side of both said support member and said at least one droplet ejection unit for receiving droplet fluid from each of the fluid channels of said at least one droplet ejection unit.

Abstract: An ink-jet head, as a liquid discharging head, includes a cavity unit, a flexible flat cable, a plurality of actuators, and a thermal conductive member. The thermal conductive member is in contact with the actuators so that heat is transmitted to the actuators. Accordingly, it is possible to realize a liquid discharging head which performs a recording of high quality while suppressing an excessive local heating of the ink-jet head and heating up, to a high temperature, of the ink-jet head due to heat generated from the actuators, thereby suppressing occurrence of a temperature gradient between the actuators so as to prevent the decline in recording quality due to the temperature difference.

Abstract: A table made of a planar member has a suction groove for sucking and holding a recording medium on a surface thereof. A part of the sucking groove is perforated to form a suction hole. The suction hole is connected to a vacuum pump. The table includes three position determining pins that are in contact with two mutually orthogonal sides of a recording medium. The position determining pins are configured to ascend and descend by driving of an air cylinder between a descending position in which an upper end of the position determining pins is lower than a surface of the table and a position determining position in which the upper end of the position determining pins is higher than the surface of the recording medium mounted on the table. It is therefore made possible to provide an image recording apparatus capable of executing highly accurate image recording by preventing deformation of the recording medium.

Abstract: An ink jet printer printing an image using a plurality of types of color ink. The heat exchanger cools and heats the ink to adjust the temperature of the ink. The heat exchanger has a contact and separate mechanism which, for ink cooling, tightly contacts a radiation section with a heat exchange section and which, for ink heating, separates the radiation section from the heat exchange section.

Abstract: A head chip for an ink jet type image forming apparatus with an improved cooling structure is disclosed. The head chip includes a plurality of nozzles to eject ink, a plurality of heaters for ink ejection to apply heat to ink so that the ink is ejected through the plurality of nozzles, and a cooling channel to circulate a refrigerant around the plurality of heaters for ink ejection.

Abstract: A droplet discharge device includes an inkjet head including a nozzle plate having a nozzle, the inkjet head aligned so that a droplet of a function liquid discharged from the nozzle is placed on a surface of a target, a heater applying heat to the function liquid at the inkjet head, and an insulating member having an opening corresponding to the nozzle, the insulating member positioned between the target and the nozzle plate so as to prevent heat transmission from the inkjet head to the target.

Abstract: A channel unit has an ink ejection surface that includes nozzles, another surface, a common ink chamber, pressure chambers, and individual ink channels each fluidly connecting the common ink chamber with one nozzle via a corresponding pressure chamber. An actuator unit is fixed to the another surface. The actuator unit is deformable to selectively change the volumes of the plurality of pressure chambers. A reservoir unit has a first surface fixed to the another surface, a second surface extending in parallel with the ink ejection surface, and an ink reservoir. The actuator unit is interposed between the channel unit and the reservoir unit. A base plate has a flat planar surface. A fixing portion fixes the base plate to the reservoir unit at at least one position, allowing the flat planar surface of the base plate to be in close contact with the second surface of the reservoir unit.