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: 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: A method for aligning print head cartridges arranged in a printing system along a print media propagation path, each print head cartridge having a plurality of print head tiles arranged spanning a width of the print media propagation path. The includes printing first Vernier patterns using a reference print head cartridge; printing second Vernier patterns over the first Vernier patterns using a second print head cartridge; and determining, from an interference pattern generated, a distance of separation along the print media propagation path of print head tiles in the second print head cartridge from corresponding print head tiles of the reference print head cartridge.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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 printing method includes the steps of: receiving a colour image and separating the colour image into a plurality of distinct colour planes; dithering a first distinct colour plane to obtain dot data for the first distinct colour plane; dithering a second distinct colour plane to obtain dot data for the second distinct colour plane; providing the dot data for the first distinct colour 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 colour 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 colour plane for printing by a plurality of nozzle rows of the second print head cartridge.

Abstract: 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.

Abstract: A pressure-based tester for testing an integrity of a printhead integrated circuit (IC) carrier includes a housing assembly; a cradle assembly coupled to the housing assembly and adapted to receive the printhead IC carrier, the cradle assembly further defining spouts adapted to engage with the printhead IC carrier; a regulated gas supply arranged in the housing assembly; a first gas supply line in fluid communication with the regulated gas supply; a pneumatic retaining mechanism in fluid communication with the gas supply via the first gas supply line, the pneumatic retaining mechanism for retaining the carrier in fluid communication with the spouts during testing of the platform assembly; a second gas supply line in fluid communication with the regulated gas supply, the second gas supply line being separated from the first gas supply line by a pressure regulator, the second gas supply line for supplying gas to the spouts; a pressure sensor for measuring a gas pressure at each spout and generating a signal ind

Abstract: 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.

Abstract: 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.

Abstract: A colour 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.

Abstract: A colour 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.

Abstract: A printing method includes the steps of: receiving a colour image and separating the colour image into a plurality of distinct colour planes; dithering a first distinct colour plane to obtain dot data for the first distinct colour plane; dithering a second distinct colour plane to obtain dot data for the second distinct colour plane; providing the dot data for the first distinct colour 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 colour 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 colour plane for printing by a plurality of nozzle rows of the second print head cartridge.

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; and a maintenance chassis for supporting a plurality of maintenance cradles, the maintenance chassis actuable between a storage position and an operational position, each maintenance cradle including a capper and a cleaner. 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.