Abstract: A method of fabricating an inkjet printhead is provided in which a supporting substrate is provided, a conductive layer is deposited and patterned on one side of the supporting substrate, an insulating layer is deposited on the conductive layer, holes are etched through the insulating layer to the conductive layer, metal is deposited in the holes to form metallic vias, an outer surface of the insulating layer and one end of each of the metallic vias are planarized, and a layer of heater material is deposited and patterned on the outer surface to form a heater with a resistive element extending between a pair of contacts. The metallic vias electrically connect the contacts to the conductive layer.

Abstract: A continuous web printer that has an inlet for receiving a web of media from a media web roll unwinder, an outlet for delivery to a media web roll winder, a media feed path extending from the inlet to the outlet, a plurality of pagewidth inkjet printhead assemblies positioned adjacent the media feed path for printing on both sides of the web and a central processor for inputting print data to the pagewidth inkjet printhead assemblies such that during a print run, the pagewidth inkjet printhead assemblies print many copies of a document The central processor is configured to selectively alter one or more of the copies to be non-identical to the remainder of the copies without interruption to the print run.

Abstract: A wide format printer that has a print zone, a media path extending through the print zone along a paper axis, the media path being more than 432 mm (17 inches) wide, a printhead carriage for mounting a plurality of printhead modules adjacent the print zone such that the printhead modules collectively span the media path and are staggered with respect to the paper axis. The printhead modules each have nozzles arranged in parallel rows and a plurality of datum features for holding the printhead carriage such that the parallel rows extend normal to the paper feed axis.

Abstract: An inkjet printhead having a wafer substrate defining a planar support surface is disclosed. Ink chambers are includes adjacent the planar support surface of the wafer substrate. The ink chambers are defined by sidewalls extending between a nozzle plate and the wafer substrate. One of the sidewalls of each chamber has an opening to allow ink to refill the chamber. An ink conduit is included between the nozzle plate and wafer substrate. The ink conduit is in fluid communication with the openings of the ink chambers. Ink inlets defined in the wafer substrate are also provided, the ink conduits receiving ink to supply to the ink chambers from at least one of the ink inlets. Each of the ink inlets has an ink permeable trap and a vent sized so that the surface tension of an ink meniscus across the vent prevents ink leakage. During use the ink permeable trap directs gas bubbles to the vent where the gas bubbles vent to atmosphere.

Abstract: A wide format printer that has a print zone, a media path more than 432 mm (17 inches) wide and extending through the print zone along a paper axis, a printhead carriage with a plurality of printhead mounting sites for mounting a plurality of printhead modules adjacent the print zone such that the printhead modules collectively span the media path, the printhead carriage having a long side extending transverse to the paper axis, the long side having access formations for ink conduits and a plurality of interfaces for connection to the ink conduits to supply ink to each of the printhead modules respectively. All ink for the plurality of printhead modules is supplied by ink conduits extending through the access formations on the long side of the printhead carriage.

Abstract: A printhead assembly includes an ink manifold having a plurality of ink outlets defined in a manifold bonding surface; one or more printhead integrated circuits, each printhead integrated circuit having a plurality of ink inlets defined in a printhead bonding surface; and an adhesive film sandwiched between said manifold bonding surface and said one or more printhead bonding surfaces, said film having a plurality of ink supply holes defined therein, each ink supply hole being aligned with an ink outlet and an ink inlet. The adhesive film is a laminated film comprising a central polymeric film sandwiched between a first adhesive layer and a second adhesive layer, the first adhesive layer has a melt temperature lower than that of the second adhesive layer.

Abstract: A printhead cartridge for releasable mounting in a printer. The printhead cartridge includes a pagewidth printhead and an ink manifold defining multiple fluid flow paths in fluid communication with respective ink channels in the printhead. The ink manifold includes a plurality of openings for detachable connection with conduits in an interface of the printer; a plurality of shut off valves at each of the openings respectively, each shut off valve having a biasing member configured for biasing each shut off valve into an open position; an actuator biased towards a closed position by a resilient element such that the actuator holds all the shut off valves closed when in the closed position. The actuator is configured for engagement with the interface such that movement of the openings into connection with the interface simultaneously moves the actuator to an open position wherein the shut off valves are held open.

Abstract: An image processing apparatus has a compact arrangement of an inkjet printer; and a flat bed scanner unit. The scanner has a scanner head, a glass panel for receiving media to be scanned and a lid having an inner surface for flat engagement with the glass panel. The lid also has an outer surface presenting a flat surface for receiving media printed by the printer and awaiting collection.

Abstract: A wide format printer that has an ink supply, a feed line coupled to the ink supply, a return line coupled to the ink supply, a plurality of printheads collectively spanning a paper path more than 432 mm (17 inches) wide, each of the printheads being fluidically coupled to the first and second conduits and, a bypass line coupling the feed line to the return line.

Abstract: Provided is a cartridge unit for a printer. The cartridge unit has upper and lower plate members having an ink bag located between the plate members to define an ink volume. The plate members can be displaced towards and away from each other by an external force. A bag constrictor assembly engages the plate members and is configured to act on the bag when the plate members are displaced towards each other to reduce the ink volume. A valve insert has an inlet valve to facilitate refilling of the bag with ink and an outlet valve to facilitate ink delivery to a printhead. A filter cover is positioned between the valve insert and the ink bag to filter contaminants and air bubbles passing between the ink bag and said valve insert.

Abstract: A stationary pagewidth inkjet printhead has one or more nozzle rows extending along a longitudinal axis of the printhead. Each nozzle is configurable to fire a droplet of ink at a plurality of predetermined different dot positions along the longitudinal axis, and each nozzle has an associated primary dot position. The printhead is configured to compensate for a dead nozzle by printing from a selected functioning nozzle positioned in a same nozzle row as the dead nozzle. The selected functioning nozzle is configured to fire some ink droplets at the primary dot position associated with the dead nozzle and to fire some ink droplets at its own primary dot position.

Abstract: A printhead having an ink ejection face, wherein at least part of the ink ejection face is coated with a polymeric material. The polymeric material is comprised of a polymerized siloxane incorporating nanoparticles. The printhead may be compatible with various printhead maintenance operations, ink characteristics and inkjet nozzle types.

Abstract: A system for distributing fluid to a printhead, the system having a printhead a first fluid container and a second fluid container for distributing fluid from the first container to the printhead, the second container having a body for containing the fluid to a predetermined capacity, an inlet connected to the first container, a valve at the inlet, and an outlet connected to the printhead, wherein the valve is operated so that the valve is closed when the body contains fluid at the predetermined capacity and is open when fluid is distributed to the printhead via the outlet.

Abstract: A printhead module for a wide format pagewidth inkjet printer comprises a carrier mountable on a chassis, said carrier being configured for abutment with a carrier of an adjacent printhead module; at least one printhead integrated circuit mounted on the carrier, said at least one printhead integrated circuit including a plurality of ink ejection nozzles and drive circuitry for driving actuators in the ink ejection nozzles; and a connection zone defined in the carrier for electrically connecting said at least one printhead integrated circuit to control circuitry. The ink ejection nozzles are supplied with ink from an ink distribution arrangement, and the printhead module is removably mounted to the ink distribution arrangement.

Abstract: A method of removing flooded ink from an ink ejection face of a printhead. The method comprises moving a surface past the ink ejection face and transferring the flooded ink onto the moving surface, where no part of the surface contacts the face. The surface can be a surface of a disposable sheet. The disposable sheet can be absorbent. The disposable sheet can be different from print media used for printing.

Abstract: A printhead is provided having a plurality of integrated circuits defining an elongate printing zone of at least 914 mm, each integrated circuit having a plurality of ejection nozzles, and CMOS drive circuitry operatively connected to the integrated circuits to drive operation thereof.

Abstract: An inkjet printer has a carrier frame supporting an ink supply manifold; a pagewidth printhead with an ink ejection surface; an encapsulant defining a film guide and a maintenance station. The maintenance station includes: a chassis; a plurality of rollers mounted on the chassis; a film wound in a loop around the rollers; and a drive motor operatively connected to one of the rollers such that actuation of the drive motor rotates the film around said rollers. The chassis is moveable between a printing position in which the film is remote from the printhead and a cleaning position in which the film engages the film guide so that a cavity is defined by the film, the encapsulant and the ink ejection surface.

Abstract: A fluid reservoir assembly for supplying fluid to a printhead is provided. The assembly has a reservoir compartment in fluid communication with fluid channels for supplying the fluid to the printhead via a fluid outlet, the reservoir compartment having an air vent and a bypass fluid path interconnecting the fluid outlet and a well region within the compartment, and a valve in the bypass fluid path for priming the reservoir compartment with fluid via the bypass fluid path.

Abstract: A continuous web printer that has an inlet for receiving a web of media from a media web roll unwinder, an outlet for delivery to a media web roll winder, a media feed path extending from the inlet to the outlet and a plurality of pagewidth printhead assemblies for printing on both sides of the web. The media feed path has an upper print zone positioned above a lower print zone. The upper print zone is a section of the media feed path in which one side of the web is printed and the lower print zone being a section of the media feed path in which the other side of the web is printed.

Abstract: A continuous web printer that has an inlet for receiving a web of media from a media web roll unwinder, an outlet for delivery to a media web roll winder, an air platen frame for generating an air cushion at least partially defining a media feed path and a plurality of pagewidth inkjet printheads positioned adjacent the media feed path for printing on both sides of the web.