Memjet Technology Limited

Zamtec Limited

Silverbrook Research Pty Ltd

James Andrew

Stephen John Sleijpen

Craig Donald Strudwicke

Mark Profaca

Eric Patrick O'Donnell

David Bernardi

Peter John Morley Sobey

Julian Paul Kolodko

William John Stacey

Neil Fyfe Edwards

Toby Desmond Oste

Lance Thomas Brown

Jan Waszczuk

William Granger

Stephen Richard O'Farrell

Mark Janos

Eric Patrick O'donnell

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.

Suspended inkjet printing system

A printing method includes the steps of: receiving a color image and separating the color image into a plurality of distinct color planes; dithering a first distinct color plane to obtain dot data for the first distinct color plane; dithering a second distinct color plane to obtain dot data for the second distinct color plane; providing the dot data for the first distinct color plane to a first print head cartridge for printing by a plurality of nozzle rows of the first print head cartridge; and providing the dot data for the second distinct color plane to a second print head cartridge positioned downstream from the first print head cartridge in a direction of print media propagation, the dot data for the second distinct color plane for printing by a plurality of nozzle rows of the second print head cartridge.

Method of providing delayed, shifted or reordered dot data to spatially separated printheads printing different color planes

An inkjet printing system includes: a plurality of print head cartridges; a print head chassis for supporting the plurality of print head cartridges; a lift mechanism for lifting and lowering the print head chassis between a printing position, a transition position, and a maintenance position; and a maintenance chassis supporting a chassis sub-frame having a corresponding plurality of maintenance cradles; and a sub-frame movement mechanism for slidably moving the chassis sub-frame with respect to the maintenance chassis. In the transition position, the print head chassis is held at a height, relative to a platen, that allows the maintenance chassis to be moved from a storage position to an operational positional under the print head chassis. Further, in the operational position, the sub-frame movement mechanism aligns a capper or a wiper with a respective printhead.

Inkjet printing system with manoeverable maintenance chassis

An inkjet printing system includes: a printer frame; a print head chassis mounted on the printer frame, the print head chassis supporting a plurality of print head cartridges, each print head cartridge having a longitudinal axis extending across a direction of print media propagation, each print head cartridge being spaced apart along the direction of print media propagation, and each print head cartridge having a respective monochrome inkjet printhead; a lift mechanism for lifting and lowering the print head chassis relative to the printer frame; and a plurality of ink blades slidably received in respective docking slots of the printer frame. Each ink blade includes a blade chassis and an ink reservoir mounted on the blade chassis, the ink reservoir being in fluid communication with a respective printhead.

Inkjet printing system with liftable print head chassis and slidable ink blades

A color ink printing system includes a plurality of print head cartridges each including a modular printhead made up of a plurality of print head tiles; a print head chassis for supporting the plurality of print head cartridges; and a maintenance chassis for supporting a plurality of maintenance cradles, the maintenance chassis is 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. Each print head cartridge is a monochrome print head cartridge ejecting a fluid different to the remaining print head cartridges. One or more of the plurality of print head cartridges includes a plurality of ventilation slits defined in the vicinity of the print head tiles, having applied thereto a suction force for sucking ink aerosol particles away from the print head tiles.

Multiple monochromatic print cartridge printing system

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.

Multiple monochromatic print cartridge printing system and print alignment method

Multiple monochromatic print cartridge printing method separating distinct colour plane into plurality of fake colour planes to form fake colour image

A color 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.

A color ink printing system includes a plurality of print head cartridges, each extending across and spaced apart along a 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 plurality of supporting arms respectively extending upwards from each corner of the print head chassis. 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.

The present invention relates to a fastening apparatus for fastening a flexible printed circuit board (PCB) to a printhead assembly. The printhead assembly includes a printhead carrier and an ink ejection printhead carried by the carrier. The fastening apparatus includes a support assembly. An authentication system is arranged on the support assembly and is configured to authenticate the printhead assembly. At least one bonding assembly is configured to bond the PCB to the printhead assembly. A controller is configured to control the bonding assembly to bond the PCB to the printhead assembly subsequent to the authentication of the printhead assembly.

Fastening apparatus with authentication system

The present invention relates to a bonding device for bonding a flexible printed circuit board (PCB) to a printhead assembly. The printhead assembly includes a printhead carrier and an ink ejection printhead carried by the carrier. The bonding device includes a support structure assembly and a first heater assembly arranged on the support structure assembly to be movable along a first path and configured to bond the flexible PCB to the printhead. A bending mechanism is arranged on the support structure and is configured to bend the bonded PCB. A second heater assembly is arranged on the support structure assembly to be movable along a second path and is configured to bond the bent PCB to the printhead carrier. A control system controls operation of the heater assemblies and the bending mechanism.

Printed circuit board bonding device

A method for connecting a flexible printed circuit board (PCB) to a printhead assembly that includes a printhead carrier and an ink ejection printhead carried by the carrier. The method includes the steps of: adhering the PCB to a first surface of the printhead; receiving the printhead and PCB in a mechanical nest, and actuating the nest into a position below a heated platen assembly; heating the heated platen assembly and actuating the heated platen assembly rectilinearly towards the nest, the heated platen assembly thereby compressing the PCB and the printhead; actuating a forming bar assembly, provided adjacent the heated platen assembly, rectilinearly towards the nest, the forming bar assembly thereby bending a portion of the PCB extending beyond the printhead towards the printhead assembly; and heating a heater cartridge and actuating the heater cartridge rectilinearly towards the print head printhead in a direction substantially perpendicular to the direction in which the forming bar assembly is actuated, whereby the PCB is connected to the printhead and bonded to the printhead carrier.

Growing community of inventors

Balmain, Australia

James Andrew