Abstract: A latching assembly for mounting a printhead to a plate assembly of a printing machine includes a first elongated actuator and a second elongated actuator defining a bore to slidably receive the first actuator. A first spring is disposed between the heads of the first and second actuators, while a second spring is disposed between the second actuator and the printhead to exert a clamping force. A cam mechanism is defined between the plate assembly and the ends of the actuators that is configured to draw the head of the first actuator toward the plate assembly upon rotation of the first actuator and to independently draw the head of the second actuator toward the plate assembly upon rotation of said second actuator. Movement of said first actuator exerts an initial clamping force while movement of the second actuator produces a final clamping force on the printhead.

Abstract: A method of locating a printhead on a printer is provided in which a printhead is provided which has at least one integrated circuit having a plurality of ejection nozzles, the printhead is mounted to the printer by bringing each of a slot defined with respect to the x-coordinate of the printhead into cooperation with a mesa feature of the printer, an angled surface defined with respect to the x- and y-coordinates of the printhead into cooperation with a protrusion across the slot of the printer, and a flat surface defined with respect to the z-coordinate of the printhead into cooperation with protrusion located within the slot of the printer, and the location of the nozzles with respect to the x-, y- and z-coordinates is determined from the cooperation.

Abstract: An inkjet head support assembly comprises a plurality of spaced apart carrier members mounted for relative movement along an elongate path, each carrier member including laterally offset first and second coupling positions. In use alternate inkjet heads are coupled at each of their ends between first coupling positions or between second coupling positions respectively of successive pairs of carrier members. At least one coupling position of each carrier member includes an adjustment mechanism to enable parts of inkjet heads coupled to the respective coupling positions of the same carrier member to be relatively aligned in the elongate direction.

Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.

Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.

Abstract: A recording apparatus includes a carriage, ink containers mounted in the carriage and including respective light emitters, a driving unit for moving the ink tanks, a light receiver receiving light from the light emitters, a light control unit controlling lighting the light emitter of a predetermined ink container, and a determining unit for determining whether the predetermined ink container is mounted at a correct position, based on the light emitted from the light emitter of the predetermined ink container at positions. When the driving unit does not move the carriage to a position where at least one of the ink containers is facing the light receiver, the determining unit determines whether the at least one of the ink containers is mounted at the correct position, based on the light received from the light emitters at a position adjacent to the facing position.

Abstract: A pagewidth printhead for an inkjet printer includes an elongate support; a plurality of printhead modules supported by the support, each printhead module comprising rows of unit cells, each unit cell comprising a nozzle through which ink is ejected and an actuator for ejecting ink from the nozzle; and an engagement mechanism having complementary formations defined on opposite edges of each printhead module to engage the printhead modules together in series along the support. The engagement mechanism includes a biasing means configured to press the serially arranged printhead modules together, the biasing means including at least one compression spring. A gap is defined between the unit cells of adjacent printhead modules, the gap extending obliquely with respect to the support.

Abstract: An inkjet printer includes a cradle; a print cartridge removably received in the cradle, the print cartridge housing a plurality of ink storage reservoirs and a pagewidth printhead; a rotor element provided on the print cartridge, the rotor element having a platen face, a capping face, and a blotter face; and a rotor element drive assembly provided on the cradle for rotating the rotor element to position one of the platen face, the capping face, and the blotter face adjacent to the pagewidth printhead. The print cartridge is provided with a pair of end plates attached to opposite ends of the print cartridge, each end plate defining a slot within which a spring is provided. The rotor element is mounted within the slots and biased towards the printhead by the springs.

Abstract: A method for pen drop weight calibration includes altering an image prior to printing based on the difference in printing performance of a first pen and a second pen to produce altered image data, the first pen and the second pen being disposed in the same printer. The altered image data is then printed with the printer.

Abstract: A method for using a processor to process image data received from an image data source in preparation for multipass printing, comprising multitoning the image data to produce a multitoned image, using the multitone level of a pixel in the multitoned image to select a plane of a print mask, using the location of the pixel in the multitoned image to select a cell of output pixels in the selected plane of the print mask, and copying the selected cell of output pixels to corresponding locations within a print buffer.

Abstract: A printhead assembly includes an elongate carrier. A plurality of printhead modules is serially positioned on the carrier. Each printhead module includes an ink supply arrangement mounted on the carrier and a printhead chip mounted on the ink supply arrangement to be fed with ink from the ink supply arrangement. A plurality of capping devices is mounted on the carrier. Each capping device is displaceable with respect to the carrier between an operative position in which the capping device caps the printhead chip and an inoperative position in which the printhead chip is uncapped.

Abstract: An inkjet printer that has at least three ink tanks for storing inks of different color, a printhead cartridge having a printhead with a nozzle face defining an array of nozzles, and a fluid coupling for supplying the printhead with ink from each of the ink tanks. The printer also having a cradle defining a reference surface for engaging a datum point on the printhead cartridge to support the nozzle face at a precise spacing from a media feed path and a latch for securing the printhead cartridge in the cradle, the latch being movable between an open position where access to the cradle is unobstructed, and a closed position where access to the cradle is obstructed. The latch is configured to apply a compressive force urging the datum point on the printhead cartridge into engagement with the reference surface.

Abstract: A print assembly is disclosed. The print assembly includes a printhead for printing on a printing medium having encoded positional data thereon, a media feed assembly for feeding the medium past the printhead, a capper assembly movable between a capped position covering the printhead and an uncapped position exposing the printhead, and a print controller having a reader configured to operatively read the positional data to provide the print controller with a signal indicative of a position of the medium relative to the printhead. The controller is configured to derive a feed speed of the medium from the signal, and to correlate printing of the printhead with such feed speed.

Abstract: A printhead cartridge for an inkjet printer that has a paper path for sheets of media substrate. The printhead cartridge has a cartridge body configured for user insertion in, and removal from an inkjet printer such that during printing, the cartridge remains stationary relative to the paper path and a printhead having a plurality of printhead ICs, each defining an array of nozzles for ejecting ink on to the sheets of media substrate. The printhead is mounted to the cartridge body such that when the printhead cartridge is installed in the printer, the array of nozzles are adjacent a planar section of the paper path, and no part of the printhead cartridge extends into the plane encompassing the planar section of the paper path.

Abstract: A printhead cartridge is inserted in a printer in accordance with a particular protocol. The printer has a cradle with a reference surface for engaging a datum point on the printhead cartridge to support the nozzle face at a precise spacing from a media feed path. The printer also has a latch for securing the printhead cartridge in the cradle. The protocol involves the steps of placing the printhead cartridge in the cradle such that the datum point rests on the reference surface, moving the latch to the closed position to secure the printhead cartridge in cradle, providing a mechanical linkage between the latch and a fluid interface to ink tanks in the printer. The fluid interface sealingly engages the fluid coupling upon moving the latch to the closed position without urging the reference surface to disengage from the datum point.

Abstract: Provided herein is a head unit arrangement method for arranging a plurality of head units in a liquid droplet ejection device that plots an image in a matrix form with functional liquid droplets in a number n of colors by performing the number n of primary scans and a number (n?1) of secondary scans. The head unit arrangement method includes evaluating liquid droplet ejection performance of each of the head units based on an inspection result of a volume of liquid droplet ejection from each of the functional liquid droplet ejection heads to arrange two of the head units that exhibit the lowest liquid droplet ejection performance at both ends in the Y-axis direction.

Abstract: A printhead frame for an inkjet printhead assembly, the printhead frame includes a holding receptacle for at least one replaceable ink tank, the holding receptacle including a plurality of ink inlet ports disposed on a first wall; a plurality of ink chambers corresponding to the plurality of ink inlet ports, wherein at least a first ink chamber is adjacent the first wall and is directly opposite a first ink inlet port, a second ink chamber is not adjacent the first wall, and the first wall includes a first hole to fluidly connect the first ink inlet port and the first ink chamber; and a second wall adjoining the first wall and forming a part of the second ink chamber, the second wall including a first groove; wherein the first wall includes a second hole to fluidly connect a second ink inlet port and the first groove; and wherein the second wall includes a first hole to fluidly connect the second ink chamber and the first groove.

Abstract: A recording apparatus which can prevent a drop of a recording head upon attachment of the recording head to a carriage is provided. When a head cartridge is attached/removed to/from a carriage, the carriage is moved to an overlapping position with a head supporting base and stopped there. Projection supporting portions to guide and support rough guide projections on both side surfaces of the head cartridge so as to be properly received to guides provided for the carriage are provided for the head supporting base.

Abstract: An inkjet print engine includes a printer cartridge having an elongate body and a pair of mounting posts provided at either end of the elongate body, the printer cartridge further and defining a plurality of partitions; an ink storage module assembly having a row of ink storage modules interleaved with the partitions; a printhead assembly mounted to the elongate body and including at least one ink ejection integrated circuit (IC) connected to receive ink from the ink storage modules; an elongate maintenance assembly mounted between the posts and configured to cap and clean the IC; a cradle unit for removably receiving the printer cartridge; and a maintenance drive assembly mounted to the cradle unit for actuating against the maintenance assembly to facilitate cleaning of the IC.

Abstract: A detachably mountable ink tank for an inkjet printhead, the ink tank includes a housing for enclosing a reservoir for liquid ink; a rim extending outwardly from the housing; an ink supply port enclosed within the rim; and an ink fill port enclosed within the rim, wherein the ink fill port is configured to receive an ink fill tube to provide liquid ink to the reservoir.

Abstract: A print engine for a printer unit includes a cradle unit including a print engine controller provided on flex printed circuit board, and a cover assembly for covering a recess defined by the cradle; a replaceable cartridge unit received within the recess of the cradle unit in a releasable manner, the replaceable cartridge having a body, an ink storage module assembly, and a pagewidth printhead assembly; and a print media transport means for transporting print media. The ink storage module assembly includes a plurality of ink storage modules received in the body from a first side, and the pagewidth printhead assembly is mounted to the body at a second side opposite the first side. The cover assembly is engaged with the flex printed circuit board to pivot the flex printed circuit board in and out of electrical engagement with the pagewidth printhead assembly upon closing and opening of the cover assembly with respect to the recess.

Abstract: Among other things, for jetting ink droplets on a substrate during relative motion of an apparatus and the substrate along a process direction, a first and second jetting assemblies at least partially overlap in a direction perpendicular to the process direction so that some jets in the first jetting assembly align with some jets in the second jetting assembly along the process direction to form one or more pairs of aligned jets. A mechanism enables, in at least one pair of the aligned jets, one jet to jet a first ink drop that has a size smaller than a size of an ink drop the jet would otherwise be required to jet to form a desired pixel and the other jet to jet a second ink drop that has a size sufficient to form the desired pixel in combination with the first ink drop.

Abstract: In general, in a first aspect, the invention features assemblies for mounting a printhead module in an apparatus for depositing droplets on a substrate. The assemblies include a frame having an opening extending through the frame and configured to expose a surface of the printhead module mounted in the assembly, and a spring element adapted to spring load the printhead module against an edge of the opening when the printhead module is mounted in the assembly.

Abstract: A plurality of pressure chambers are arranged in two arrays in a direction intersecting an extending direction of a common liquid chamber. First pressure chambers of one array and second pressure chambers of the other array are disposed in a staggered arrangement. First and second connecting channels extend, in the intersection direction, from the first and second pressure chambers through areas located between the second and first pressure chambers up to areas outside the common liquid chamber to make communication with the common liquid chamber, respectively. The first and second connecting channels are arranged alternately in relation to the extending direction. Accordingly, both of the insurance of the length of the connecting channel and the small sizing of a head are satisfied.

Abstract: An ink tank having a tank housing; an electrical contact on the housing; an ink outlet port disposed on the housing; and at least one projection disposed adjacent the electrical contact on the housing, wherein the projection is configured for engaging a leaf spring of an inkjet printer. The leaf spring exerts an out and away pivoting force on the projection so that an electrical connection destination for the electrical contact is prevented until the ink tank is completely installed.

Abstract: An inkjet printhead that receives one or more detachably mountable ink tanks, the inkjet printhead includes an ink tank holding receptacle that receives the one or more detachably mountable ink tanks between a first and second wall; a spring disposed on the first wall of the printhead to provide a biasing force in a direction that pushes the detachably mountable ink tank away from the first wall of the printhead and which biasing force must be manually overcome in order to properly install the one or more detachably mountable ink tanks in the ink tank holding receptacle of the printhead.

Abstract: An inkjet carriage that receives a print cartridge, the inkjet carriage includes a holding receptacle having a wall, wherein the holding receptacle is configured to receive the print cartridge; and a spring disposed on the wall of the holding receptacle to provide a biasing force in a direction that pushes the print cartridge away from the wall of the inkjet carriage and which biasing force must be manually overcome in order to properly install the print cartridge in the holding receptacle of the inkjet carriage.

Abstract: A method of manufacturing a liquid ejection head having a plurality of passage modules that have individual passages, a plurality of actuator modules that each include a plurality of actuators, and a drive unit, and the liquid ejection head produced by the method. The method comprising ranking the passage modules based on a magnitude of a passage resistance of the individual passages, ranking the actuator modules based on a magnitude of a capacitance of the actuators, and fixing the actuator modules to the passage modules so that the actuator modules ranked as having a capacitance not less than a predetermined capacitance correspond to the passage modules ranked as having a passage resistance not less than a predetermined passage resistance, and so the actuator modules ranked as having a capacitance less than the predetermined capacitance correspond to passage modules ranked as having a passage resistance less than the predetermined passage resistance.

Abstract: An object of the present invention is to provide an ink jet printing apparatus which can prevent possible stripe-like density unevenness in a joint in a print head constructed by joining a plurality of chips together even if the print head is inclined to the regular position of the print head. The present invention uses a print head having the nozzle arrays being shifted in a direction in which the nozzles are arranged, so as to have overlapping portions in a direction orthogonal to the nozzle arranging direction. The present invention controls an ink ejecting operation of the nozzles in the overlapping portions between the plurality of nozzle arrays on the basis of an angle between the nozzle array arranging direction and a direction orthogonal to the direction in which the print head moves relative to the print medium.

Abstract: A modular printhead includes a chassis; a plurality of printhead modules mounted in the chassis; a plurality of alignment mechanisms each corresponding to a respective printhead modules, each alignment mechanism being interposed between the chassis and a respective printhead module, each alignment mechanism including a lever provided on a first side of a fulcrum point of the lever and a printhead module engagement plate coupled to the lever at a second side of the fulcrum point; a plurality of adjuster blocks corresponding to respective alignment mechanisms, each adjuster block engaged with respective levers via an aperture defined through each lever; and a plurality of adjustment mechanisms corresponding to respective adjuster blocks, each adjustment mechanism coupled to the chassis at one end and to a respective adjuster block at another end. The lever and the printhead module engagement plate are formed as a unitary piece.

Abstract: In one embodiment, a print bar structure includes a single part having: a datum; an exterior printhead attach surface a predetermined distance from the datum for attaching multiple printheads to the print bar structure; an interior bay for holding a liquid distribution part; and multiple openings from the interior bay to the exterior printhead attach surface.

Abstract: The present invention provides a head array unit in which a plurality of head members is easily aligned on an alignment member with a simple structure and a method for manufacturing the head array unit, and an image forming apparatus including the head array unit. The head array unit includes a head unit. The head unit includes a head member, a head member retainer, and an alignment member. The head member includes a plurality of nozzles and is configured to eject liquid droplets. The head member retainer, on which the head member is disposed and fixed thereto, includes a reference hole for aligning the head unit relative to the alignment member. The alignment member includes an opening formed at a location associated with the reference hole and relatively larger than the reference hole. The head member may be directly aligned and fixed on the alignment member.

Abstract: A silicon based module, including: a substrate; a first chip assembly fixed to the substrate, the first chip assembly including a first silicon chip and a first driver die having electrical circuitry; and a second chip assembly fixed to the substrate, the second chip assembly including a second silicon chip and a second driver die having electrical circuitry. Portions of the first and second chip assemblies are aligned in a longitudinal direction for the substrate; and portions of the first and second silicon chips are aligned in a width direction orthogonal to the longitudinal direction. Method for forming a silicon based module.

Abstract: A liquid jetting apparatus includes a first liquid jetting head which has a plurality of first nozzles, a head holder to which a first liquid jetting head is fixed, a liquid cartridge which is detachably mounted on the head holder, and which supplies the first liquid jetting head with a liquid which is to be jetted from the first nozzles, and a head cartridge which has a second liquid jetting head having a plurality of second nozzles, and a liquid tank which supplies the second liquid jetting head with a liquid which is to be jetted from the second nozzles. The second liquid jetting head and the liquid tank are integrated to form the head cartridge, and the head cartridge is detachably mounted on the head holder.

Abstract: Apparatus and methods are provided for wide format inkjet printing using conventional piezoelectric inkjet print heads that each print at a native resolution. A plurality of inkjet print heads are disposed in a print head array to print an image on the substrate at the native resolution across an entire width of the substrate without scanning across the width of the substrate. The print head array may be shifted in a direction parallel to the width of the substrate, and the print head array may be used to print images on the substrate in multiple passes to form a composite image having a resolution equal to a multiple of the native resolution. Alternatively, a plurality of print head arrays may be provided, with adjacent print head arrays spaced apart to provide a composite print resolution equal to a multiple of the native resolution.

Abstract: An apparatus includes a carriage on which a head is removably mounted, a cover on the carriage configured to be movable to a first position where the head is fixed to the carriage and to a second position where the head can be removed from the carriage, and a lever configured to press the head mounted on the carriage by rotating with the cover pushed by a part of the cover when the cover is moved from the first position to the second position, wherein a rotational axis of the lever and a rotational axis of the cover are coaxial with each other.

Abstract: The droplet ejector includes: a head unit set composed of four head units arranged in a staggered manner in the arrangement direction; a head supporting member which supports the head unit set; a liquid supplier which supplies liquid to the head unit set; and a conveyor mechanism which conveys an ejection target. Each head unit has a passage structure having a liquid passage. At one edge of the passage structure in the arrangement direction, a liquid supply opening which is connected to the liquid passage and the liquid supplier is provided. Two passage structures neighboring in the arrangement direction are disposed so that the respective edges where the liquid supply openings are provided oppose each other in the arrangement direction.

Abstract: The present invention relates to an ink-cartridge loading/unloading apparatus used in various devices onto which an ink-cartridge is capable of minimizing damage of a flexible printed wiring board of the ink-cartridge. The ink-cartridge loading/unloading apparatus according to the present invention comprises a vertically extending main body having a support portion; a mounting part connected to the front surface of the main body; and a coupling part connecting the main body and the mounting part. A metal coupling bar or a magnetic substance inserted in a coupling bar is attached to an electromagnet provided in a side of the main body, whereby the mounting part is coupled to the main body. The mounting part is released from a coupled state by pressing a button bar with an external force, and an elastic means is further provided between the mounting part and the main body.

Abstract: A recording apparatus includes a head set lever which fixes a head cartridge to a carriage section. The head set lever is movable between a first position at which the head cartridge is fixed to the carriage section and a second position at which mounting and removal of the head cartridge on and from the carriage section is permitted. Attachment of an ink tank to the head cartridge is inhibited when the head cartridge is mounted on the carriage section and the head set lever is arranged at a position other than the first position.

Abstract: A colour ink printing system includes a plurality of print head cartridges, each extending across a direction of print media propagation and spaced apart along the direction of print media propagation; a print head chassis for supporting the plurality of print head cartridges, the print head chassis actuable between a printing position, a transition position, and a maintenance position; and a maintenance chassis for supporting a plurality of maintenance cradles, the maintenance chassis actuable between a storage position and an operational position. Each of the plurality of print head cartridges is held stationary with respect to a platen on which print media is propagated to effect printing on the print media. Each of the plurality of print head cartridges is a monochrome print head cartridge ejecting a fluid different to the remaining plurality of print head cartridges.

Abstract: A colour ink printing system, includes a plurality of print head cartridges, each extending across a direction of print media propagation and spaced apart along the direction of print media propagation; a print head chassis for supporting the plurality of print head cartridges, the print head chassis actuable between a printing position, a transition position, and a maintenance position; a maintenance chassis for supporting a plurality of maintenance cradles, the maintenance chassis actuable between a storage position and an operational position; and a platen on which the print media is supported and propagated. Each of the plurality of print head cartridges is held stationary with respect to a platen on which print media is propagated to effect printing on the print media. Each of the plurality of print head cartridges is a monochrome print head cartridge ejecting a fluid different to the remaining plurality of print head cartridges.

Abstract: An image forming apparatus that provides an easy installation and separation of a print head thereto and therefrom. The image forming apparatus can include a body, a print head including a nozzle part having a length at least a width as wide as a printable printing medium, a head mount provided at the body to mount the print head, at least one first connector provided at the head mount, and at least one second connector provided at the print head to correspond to the at least one first connector. The first connector and second connector are connected with each other as the print head is mounted to the head mount.

Abstract: A liquid container detachably mountable to a mounting portion of an ink jet printer including an information storing portion for storing information relating to the liquid container; a controller controls light emission of a light emitting portion, based on individual information corresponding to the ink container, supplied through a container contact from a printer contact, and the discrimination information stored in the memory; a light guide member having a light incident portion and a light emergence portion, the light guide member configured to guide the light entered from the light incident portion to the light emergence portion so as to cause a light receptor to receive the light emerged from the light emergence portion to obtain light reception information used for discriminating properness of position of the ink container mounted in the mounting portion.

Abstract: A full width array printhead is provided having a continuous maintainable printhead surface and method of forming the same. The printhead includes a substrate and an array of die modules mounted thereon with a front face of each die module exposed. A hardened fill material surrounds the array of die modules to define a continuous surface coplanar with the front face of the array of die modules.

Abstract: To enable a coupling terminal member of an ink cartridge and a coupling terminal of a printing apparatus to be in certain and increase a degree of freedom on installation position of a coupling terminal member of the cartridge, a cartridge installed in a printing apparatus for supplying the printing apparatus with ink includes an ink cartridge body for containing ink, an ink supply section on which an ink supply opening placed on or near a first sidewall of the ink cartridge body is formed, a memory for storing information on ink in the ink cartridge body, a contact terminal member on a second sidewall of the ink cartridge body coupled to the memory and a positioning member, which protrudes from the second sidewall, for positioning the ink cartridge properly with respect to the printing apparatus when the ink cartridge is installed in the printing apparatus.

Abstract: A printing arrangement has a modular printhead assembly with a plurality of elongate printhead modules fast with an elongate chassis. An ink supply assembly has a number of ink reservoirs with respective ink supply devices each having two parts, namely a first part with a plurality of collars and the second part defining a number of ink chambers. Each ink chamber is configured to contain ink of a particular color and is in fluid communication with a respective ink channel of one ink reservoir via one collar.

Abstract: A printhead module includes a substrate, a plurality of drop ejector arrays, and electronic circuitry. The substrate includes a butting edge extending in a first direction along the substrate. The plurality of drop ejector arrays extends substantially parallel to the butting edge of the substrate with a first drop ejector array of the plurality of drop ejector arrays being closest to the butting edge of the substrate. A portion of the electronic circuitry is disposed between the first drop ejector array and the butting edge of the substrate.

Abstract: A structure for informing a state of the ink tank by a light emitting section such as LED, capable of displaying such information at a position easily visible by the user and favorably sending the emitted light both to the user and a light receiver section on the printer side without needing electric wiring which may disturb the user's visibility or manipulation. The light emitting section is separated from the display section and a light guiding section is provided between the both. A member for suitably limiting the emission of light is provided in the display section. Thereby, it is possible to dispose the display section at the best position without needing the electric wiring on the ink tank and obtain a preferable light volume suitable both for the improvement in user's visibility and the stability of the operation of the light receiving section.

Abstract: A duplex printer includes a pair of pagewidth printheads. Each printhead includes a casing assembly defining a channel. At least one elongate support member is received within the channel and defines longitudinally extending fluid passages. The support member further defines spaced apart groups of holes extending from the passages. A fluid distribution arrangement is mounted in fluid communication with the support member. A plurality of ink ejection integrated circuits (ICs) is mounted in fluid communication with the fluid distribution arrangement so that the ICs can be supplied with ink from respective groups via the fluid distribution arrangement.

Abstract: [Problem to be Solved] To provide an inkjet recording apparatus that is easy to maintain and is compact. [Solution] The present invention provides an inkjet recording apparatus 100 including a line head 20 capable of printing on a recording medium 1, and a housing 11 with the line head 20 attached, in which the line head 20 is slid along a guide groove 12 provided in the housing 11 so that the line head 20 is detachably attached.