Abstract: A printing system includes: a media feed chassis including a plurality of fixed roller shafts, each roller shaft having a rotatable roller for guiding print media through a media feed path; and one or more inkjet modules mounted on the media feed chassis for printing on the print media. Each inkjet module has a support chassis seated on a set of roller shafts, and the support chassis includes a base having a set of notches defined therein, the roller shafts being received within the notches.

Abstract: An integrated inkjet module includes: a support chassis configured for fixedly mounting on a media feed chassis; a maintenance chassis mounted on the support chassis; and a print bar chassis liftably mounted on the maintenance chassis, the print bar chassis having one or more printheads mounted thereon. The print bar chassis includes datum pins maximally spaced apart at each corner thereof, with each datum pin engaging with a complementary datum surface of the support chassis to control a separation between the printheads and a media feed path during printing.

Abstract: An inkjet printing assembly includes: a support chassis having a plurality of datum surfaces; a print bar chassis liftably mounted on the support chassis, the print bar chassis having one or more printheads mounted thereon and a plurality of datum pins for engagement with the datum surfaces; a lift mechanism for moving the print bar chassis between a lowered position in which the datum pins are engaged with the datum surfaces and a raised position in which the datums pins are spaced apart from the datum surfaces; and one or more magnets for urging the print bar chassis towards the support chassis.

Abstract: An integrated inkjet module includes: a support chassis configured for fixedly mounting on a media feed chassis; a maintenance chassis slidably mounted on the support chassis; and a print bar chassis liftably mounted on the maintenance chassis, the print bar chassis having one or more inkjet printheads mounted thereon.

Abstract: A print module includes: a body housing at least one printed circuit board (PCB); an air inlet and an air outlet positioned in a roof of the body; an air pathway extending through the body between the air inlet and the air outlet; and an inkjet printhead positioned at a lower part of the body opposite the roof, the inkjet printhead electrically communicating with the PCB.

Abstract: An elastic band ligation device for the treatment of haemorrhoids, comprising an inner tube (60), a deployer (40), and a grasper (26), the grasper including at least two gripping arms (23) and slidably mounted within the inner tube (60) to open and close the gripping arms. In a closed position, retaining a haemorrhoid, the gripping arms are within the body, and the deployer is positioned to release one of a plurality of ligation bands (50). The grasper handle (31) and the deployer trigger (62) are operable by a single hand. Preferably the device is disposable and the deployer includes a ratchet so that it may only be moved forward towards the bands. In an alternative device (FIGS. 12-13), the body (20, 120) is moved to close the gripping arms.

Abstract: A print engine includes: a media support chassis having a plurality of guide rollers mounted between opposite sidewalls thereof, the plurality of guide rollers defining a media feed path; a maintenance chassis pivotally mounted on the media support chassis, the maintenance chassis including a plurality of maintenance modules fixedly mounted thereto and aligned along the media feed path; and a print bar chassis movably mounted on the maintenance chassis, the print bar chassis including a plurality of print modules, each print module having a printhead; a pivot actuation mechanism for pivoting the maintenance chassis between an open and closed position; and a lift mechanism for raising and lowering the print bar chassis relative to the maintenance chassis between a maintenance position a printing position.

Abstract: A suspended inkjet printing system includes: a pair of support beams extending across a media path; a mounting frame mounted between the support beams, a print head chassis mounted on the mounting frame, the print head chassis being actuable between at least a printing position and a maintenance position; and a plurality of print heads mounted on the print head chassis, each print head extending across the media path and spaced apart along the media path in a direction of media propagation. A plurality of projections extend from the print head chassis into engagement with the mounting frame, the projections controlling a height of the print head chassis relative to the media path.

Abstract: An elastic band ligation device for the treatment of haemorrhoids, comprising an inner tube (60), a deployer (40), and a grasper (26), the grasper including at least two gripping arms (23) and slidably mounted within the inner tube (60) to open and close the gripping arms. In a closed position, retaining a haemorrhoid, the gripping arms are within the body, and the deployer is positioned to release one of a plurality of ligation bands (50). The grasper handle (31) and the deployer trigger (62) are operable by a single hand. Preferably the device is disposable and the deployer includes a ratchet so that it may only be moved forward towards the bands. In an alternative device (FIGS. 12-13), the body (20, 120) is moved to close the gripping arms.

Abstract: A compliance for use in an inkjet printer. The compliance includes flexible bellows configured for dampening pressure fluctuations in a fluid, wherein the bellows comprise a plurality of concentric portions joined via concertinaed sidewalls.

Abstract: A printer includes: a convexly curved media path for feeding print media along a media feed direction, the curved media path having an apex, a first section upstream of the apex and a second section downstream of the apex; a plurality of printheads radially arranged around the curved media path, the plurality of printheads including a first printhead positioned for printing onto the first section and a second printhead positioned for printing onto the second section; a plurality of cappers for capping the plurality of printheads, each capper being positioned at one longitudinal side of a respective printhead and each capper being laterally moveable between capped and uncapped positions; and a lift mechanism for lifting and lowering the printheads. A first capper is positioned downstream of the first printhead and a second capper is positioned upstream of the second printhead in respective uncapped positions.

Abstract: An inkjet module includes: first and second opposite end brackets; a print module slidably mounted between the end brackets for raising and lowering the print module relative to the end brackets, the print module having a front face, a rear face and an elongate printhead positioned at a lower surface of the print module; and a cable array including a plurality of laterally arranged cables connected to the print module. The cables of the cable array extend in a common plane parallel to the rear face of the print module and follow a curved path such that an outer cable is longer than an inner cable.

Abstract: An integrated inkjet module for a scalable inkjet printer includes: first and second opposite end brackets; a print module asymmetrically positioned between the end brackets; and a maintenance module for maintaining an inkjet printhead of the print module. The maintenance module includes a frame fixedly mounted between the end brackets having a longer leg extending along one side of the print module and a shorter leg positioned between a first end of the print module and the first end bracket. The print module is slidably liftable relative to the end brackets, the longer leg includes a laterally extendible capper for capping the printhead and the shorter leg includes a longitudinally movable wiper carriage for wiping the printhead.

Abstract: An integrated inkjet module includes: first and second opposite end brackets; a single print module asymmetrically positioned between the end brackets, the print module having an elongate printhead; a wiper carriage positioned between a first end of the print module and the first end bracket, the wiper carriage being configured for longitudinally wiping the printhead; and a print module carrier mounted between the first and second end brackets. The print module includes a mounting arm bridging over the wiper carriage and the print module carrier is slidably liftable relative to the first and second end brackets.

Abstract: A print module configured for interconnection between a positive ink line and a negative ink line via respective inlet and outlet lines. The print module includes: an inlet port; an outlet port; a printhead interconnected between the inlet port and the outlet port; a control valve positioned at the inlet port for controlling an ink pressure in the printhead; an ink pressure sensor for sensing an ink pressure in the print module; and a controller for receiving feedback from the pressure sensor and controlling the control valve. During printing, the ink pressure sensor, the controller and the control valve cooperate to control a backpressure in the printhead within a predetermined backpressure range.

Abstract: An ink delivery system for an inkjet printer includes: a positive ink line; a negative ink line; and one or more print modules interconnected between the positive ink line and the negative ink line. Each print module includes: an inlet port; an outlet port; a printhead interconnected between the inlet port and the outlet port; a control valve positioned at the inlet port for controlling an ink pressure in the printhead; an ink pressure sensor for sensing an ink pressure in the print module; and a controller for receiving feedback from the pressure sensor and controlling the control valve. During printing, the ink pressure sensor, the controller and the control valve cooperate to control a backpressure in the printhead within a predetermined backpressure range.

Abstract: An inkjet printer includes: an inkjet printhead; an ink line connected to the printhead; and a compliance fluidically communicating with the ink line. The compliance includes sealed flexible bellows configured for dampening ink pressure fluctuations in the ink line.

Abstract: A print engine includes: a media support chassis having a plurality of guide rollers mounted between opposite sidewalls thereof, the plurality of guide rollers defining a media feed path; a maintenance chassis pivotally mounted on the media support chassis, the maintenance chassis including a plurality of maintenance modules fixedly mounted thereto and aligned along the media feed path; and a print bar chassis movably mounted on the maintenance chassis, the print bar chassis including a plurality of print modules, each print module having a printhead; a pivot actuation mechanism for pivoting the maintenance chassis between an open and closed position; and a lift mechanism for raising and lowering the print bar chassis relative to the maintenance chassis between a maintenance position a printing position.

Abstract: A print engine includes: a media support chassis having a plurality of guide rollers mounted between opposite sidewalls thereof, the plurality of guide rollers defining a curved media feed path; a plurality of spittoons, each spittoon being positioned between a neighboring pair of guide rollers and each spittoon having an upper guide portion; and a plurality of printheads, each printhead opposing a respective spittoon. The upper guide portion at least partially intersects a common tangential plane defined between a neighboring pair of rollers, such that print media fed along the curved media path contact the rollers and upper guide portions of the spittoons.

Abstract: A print module includes a printhead cartridge releasably engaged with a supply module. The supply module has an ink inlet module and an ink outlet module positioned on opposite external sidewalls of the body and flanking the body, each of the ink inlet and ink outlet modules having a respective ink coupling engaged with complementary inlet and outlet couplings of the printhead cartridge. The ink inlet and outlet modules each include a respective lever mechanism for slidably moving the ink inlet and outlet modules relative to the opposite external sidewalls of the body between a coupled position in which the supply module is fluidically coupled to the printhead cartridge and a decoupled position in which the supply module is fluidically decoupled from the printhead cartridge.