Patent application number | Description | Published |
20110025738 | PRINTER SYSTEM WITH PRINTHEAD CARRIAGE CONNECTED TO INK SUPPLY FROM A SINGLE SIDE - A printing system that has a print zone, a media path 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 said long side of the printhead carriage. | 02-03-2011 |
20110025742 | PRINT ENGINE WITH INK SUPPLY CONDUITS EXTENDING FROM A LONG SIDE OF ELONGATE PRINTHEAD CARRIAGE - A print engine for an inkjet printer which has a media path extending past a printhead assembly along a paper axis, has an elongate printhead carriage extending transverse to the paper axis, a series of interfaces for supplying ink to respective printhead modules spaced along the printhead carriage such that during use, the printhead modules span the media path and ink conduits connected to the interfaces for feeding ink to the printhead modules. The printhead carriage has a series formations to position the ink conduits such that they all extend away from the interfaces in a direction transverse to the long axis to a common side of the printhead carriage. | 02-03-2011 |
20110025747 | PRINTING SYSTEM FOR MEDIA OF DIFFERENT SIZES - A printing system that has a media transport system configured to transport media of differing dimensions along a media path, a printhead assembly for printing media transported along the media path, the media path having differing widths depending on the dimensions of the media and, a plurality of service modules for the printhead assembly. Each of the service modules is configured to operate in a plurality of different modes. During use, the media path extends between the printhead assembly and at least some of the service modules configured to operate in one of the modes while any of the service modules beyond the media path operate in another of the modes. | 02-03-2011 |
20110025758 | PRINTING SYSTEM WITH SPITTOON AND AEROSOL COLLECTION - A printing system that has a media feed assembly for feeding different sizes of media along a media path, the media path having a width corresponding to a maximum width of media that can be printed by the printing system. The system also having a printhead assembly positioned on a first side of the media path and spanning the width of the media path, an aerosol collection duct with an opening on the first side of the media path and a spittoon system positioned on a second side of the media path opposing the first side. The printhead assembly is configured to eject non-printing ink drops from any section not required to print media that is less than the maximum width, and the spittoon system is configured to collect the non-printing ink drops. | 02-03-2011 |
20110025765 | PRINTING SYSTEM WITH DATUM FEATURES ON PRINTHEAD CARRIAGE - A printing system that has a print zone, a media path extending through the print zone along a paper axis, 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 having 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. | 02-03-2011 |
20110025767 | WIDE FORMAT PRINTER WITH INK ACCUMMULATORS FOR HYDROSTATIC PRESSURE REGULATION - A wide format printer that has a printhead assembly with nozzles for ejecting ink onto media fed along a media path more than 432 mm (17 inches) wide, a plurality of ink containers, a plurality accumulator reservoirs, each having an inlet for connection to one of the ink containers, an outlet for connection to the printhead assembly and a fluid level regulator for maintaining fluid levels in the reservoir within a controlled fluid level range. During use, the plurality of ink accumulator reservoirs are mounted at a fixed elevation relative to the nozzles such that hydrostatic fluid pressure at the nozzles is maintained within a predetermined range. | 02-03-2011 |
20110025768 | WIDE FORMAT PRINTER WITH MULTIPLE PRINTHEADS EACH SUPPLIED BY MULTIPLE CONDUITS - A wide format printer that has an ink supply, a feed line to the ink supply, a return line coupled to the ink supply, and a plurality of printheads collectively spanning a paper path more than 432 mm (17 inches) wide. Each printhead is fluidically coupled to the feed and the return via separate couplings. During printing, the printheads receives ink from both the feed and return lines. | 02-03-2011 |
20110025770 | WIDE FORMAT PRINTER WITH MULTIPLE INK ACCUMULATORS - A wide format printer that has an ink supply, an accumulator reservoir, a valve coupling the accumulator reservoir to the ink supply, the valve being configured to open when the ink level in the accumulator reservoir reaches a lower limit of a predetermined ink level range, and close when the ink level in the accumulator reservoir reaches an upper limit of the ink level range and, a plurality of printheads collectively spanning a paper path more than 432 mm (17 inches) wide, each of the printheads being in fluid communication with the accumulator reservoir and each of the printheads having nozzles for ejecting ink onto media. During printing, the accumulator reservoir is fixed relative to the printheads such that hydrostatic ink pressure at the nozzles is generated by the elevation of the ink level in the accumulator reservoir relative to the elevation of the of the nozzles. | 02-03-2011 |
20110025771 | WIDE FORMAT PRINTER WITH PUMP TO PRIME PRINTHEADS - 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 coupled to the feed line and the return line and, a pumping system configured to generate fluid flow from the feed line to the return line via the printheads to prime the printheads. | 02-03-2011 |
20110025772 | WIDE FORMAT PRINTER WITH PUMP TO CREATE PRESSURE DIFFERENCE ACROSS PRINTHEADS - 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, the printheads each coupled to the feed line and the return line and, a pumping system to generate a pressure difference between the feed line and the return line during a printhead replacement operation. | 02-03-2011 |
20110025774 | WIDE FORMAT PRINTER WITH PUMP TO PRIME MULTIPLE PRINTHEADS - 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, the printheads each fluidically coupled to the feed and the return lines, a bypass line coupling the first conduit to the return line and, a pumping system configured to initially prime ink through the feed line, the return line, and the bypass line before priming each of the printheads. | 02-03-2011 |
20110025775 | WIDE FORMAT PRINTER WITH AEROSOL COLLECTION FROM BOTH SIDES OF MEDIA PATH - A wide format printer that has an inkjet printhead assembly for printing media fed along a media path that is more than 432 mm (17 inches) wide, and an aerosol collection system for collecting ink aerosol generated by the printhead assembly. The printhead assembly is positioned on a first side of the media path and the aerosol collection system has a first aerosol collection opening positioned on the first side of the media path and a second aerosol collection opening positioned on a second side of the media path. | 02-03-2011 |
20110025797 | PRINTING SYSTEM WITH FIXED PRINTHEADS AND MOVABLE VACUUM PLATEN - A printing system that has a printhead assembly, a drive roller for feeding media along a media path and a vacuum platen assembly configured for movement relative to the fixed printhead assembly. | 02-03-2011 |
20110025798 | PRINTING SYSTEM WITH INPUT MEDIA ROLLER AND OUTPUT VACUUM BELTS - A printing system that has a print zone, a drive roller positioned at an input side of the print zone, a vacuum platen assembly positioned under the print zone, a printhead assembly overlaying and spanning the print zone and a vacuum belt assembly configured to receive media from the print zone. | 02-03-2011 |
20110025801 | PRINTING SYSTEM WITH MEDIA SIMULTANEOUSLY ENGAGING INPUT ROLLER AND MOVABLE MEDIA ENGAGEMENT OUTPUT - A printing system with a drive roller configured to engage and push media into a print zone and a movable media engagement assembly configured to engage one side of the media and pull the media while the drive roller remains engaged with the media. | 02-03-2011 |
20110025802 | PRINTING SYSTEM WITH INDEPENDENTLY MOVABLE PRINTHEAD SERVICE MODULES - A printing system that has a media transport system configured to transport media along a media path, a printhead assembly fixed relative to the media path and a plurality of service modules for the printhead assembly. Each of the service modules is independently movable relative to the media path. | 02-03-2011 |
20110025803 | WIDE FORMAT PRINTER WITH INPUT MEDIA ROLLER AND OUTPUT VACUUM BELTS - A wide format printer that has a print zone, a drive roller positioned upstream of the print zone, a vacuum platen assembly positioned under the print zone, a printhead assembly overlaying and spanning the print zone and a vacuum belt assembly configured to receive media from the print zone. The print zone is more than 432 mm (17 inches) wide. | 02-03-2011 |
20110026048 | PRINTING SYSTEM WITH AEROSOL COLLECTION FROM BOTH SIDES OF MEDIA PATH - A printing system that has an inkjet printhead assembly for printing media fed along a media path, and an aerosol collection system for collecting ink aerosol generated by the printhead assembly. The printhead assembly is positioned on a first side of the media path and the aerosol collection system has a first aerosol collection opening positioned on the first side of the media path and a second aerosol collection opening positioned on a second side of the media path. | 02-03-2011 |
20110026049 | PRINTING SYSTEM WITH INK ACCUMULATORS FOR HYDROSTATIC PRESSURE REGULATION - A printing system with a printhead assembly with nozzles for ejecting ink, a plurality of ink containers, a accumulator reservoirs each having an inlet for connection to one of the ink containers, an outlet for connection to the printhead assembly and a fluid level regulator for maintaining fluid levels in the reservoir within a controlled fluid level range. The ink accumulator reservoirs are mounted at a fixed elevation relative to the nozzles such that hydrostatic fluid pressure at the nozzles is maintained within a predetermined range. | 02-03-2011 |
20110026057 | PRINTING SYSTEM WITH INPUT ROLLER AND MOVABLE MEDIA ENGAGEMENT OUTPUT - A printing system with a print zone where droplets of ink print onto media, a drive roller configured to translate the media into the print zone and a movable media engagement assembly for vacuum engagement of one side of the media to draw the media away from the print zone. | 02-03-2011 |
20110026058 | PRINTING SYSTEM WITH ADJUSTABLE AEROSOL COLLECTION - A printing system that has a drive roller for feeding different sizes of media along a media path, an inkjet printhead assembly for printing the media and an ink aerosol collection system for removing ink aerosol from areas adjacent the media path. The ink aerosol collection system is configured to remove aerosol at a greater rate in response to an increase in the media size. | 02-03-2011 |
20110279496 | METHOD OF PRIMING PRINTHEAD - A method of priming a media width printhead, the method having controlling operation of the printhead, with a controller of a printing system having the printhead, to draw fluid in a first direction around a closed fluid flow loop from a fluid container to the printhead and controlling operation of a pump on the closed loop, with the controller, to draw fluid from the container in an opposite, second direction around the closed loop. | 11-17-2011 |
20110279497 | METHOD OF PRIMING AND DE-PRIMING PRINTHEAD - A method of priming and de-priming a media width printhead the method having controlling operation, with a controller of a printing system having the printhead, of a pump on a closed fluid flow loop interconnecting a fluid container to the printhead to draw fluid from the container in a first direction around the closed loop to prime the printhead with fluid from the container and controlling operation of a valve on the closed loop, with the controller, to allow gas to enter the closed loop via a gas inlet to cause fluid in the closed loop and the printhead to de-prime to the container in a second direction around the closed loop. | 11-17-2011 |
20110279566 | PRINTING SYSTEM HAVING CLOSED FLUID PATH FOR PRINTHEAD - A printing system having a fluid source, a first fluid path connecting the fluid source to a first fluid port of the printhead, a second fluid path connecting the fluid source to a second fluid port of the printhead, wherein the first and second paths are configured so that fluid from the fluid source flows between the first and second paths via the printhead. | 11-17-2011 |
20110279567 | FLUID DISTRIBUTION SYSTEM HAVING PRINTHEAD BYPASS - A fluid distribution system for a printhead, the system having a first fluid path connected to a first fluid port of the printhead, a second fluid path connected to a second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279568 | PRINTING SYSTEM HAVING PRINTHEAD BYPASS - A printing system having a media width printhead having a first fluid port at one longitudinal end of the media width and a second fluid port at the other longitudinal end of the media width; a first fluid path connected to the first fluid port of the printhead, a second fluid path connected to the second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279569 | FLUID DISTRIBUTION SYSTEM HAVING PRINTHEAD BYPASS FROM CONTAINER - A fluid distribution system for a printhead, the system having a fluid container, a first fluid path interconnecting the container and a first fluid port of the printhead, a second fluid path interconnecting the container and a second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid from the container flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279570 | PRINTING SYSTEM HAVING PRINTHEAD BYPASS FROM CONTAINER - A printing system having a fluid container, a media width printhead having a first fluid port at one longitudinal end of the media width and a second fluid port at the other longitudinal end of the media width, a first fluid path interconnecting the container and the first fluid port of the printhead, a second fluid path interconnecting the container and the second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid from the container flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279571 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH VALVE FOR BYPASSED PRINTHEAD - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop and a multi-path valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path. | 11-17-2011 |
20110279572 | PRINTING SYSTEM HAVING MULTI-PATH VALVE FOR BYPASSED PRINTHEAD - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop and a multi-path valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path. | 11-17-2011 |
20110279573 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR BYPASSED PRINTHEAD - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing fluid flow along each of the closed loops via the printhead and the respective bypass paths. | 11-17-2011 |
20110279574 | PRINTING SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR BYPASSED PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing fluid flow along each of the closed loops via the printhead and the respective bypass paths. | 11-17-2011 |
20110279575 | FLUID DISTRIBUTION SYSTEM FOR PRIMING PRINTHEAD - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, the fluid being drawn from the container in a first direction around the closed loop by the printhead during printing and a pump on the closed loop, the pump being operational to draw fluid from the container in an opposite, second direction around the closed loop. | 11-17-2011 |
20110279576 | MULTI-PATH VALVE FOR PRINTHEAD - A multi-path valve for a media width inkjet printhead, the printhead being connected to an ink source via a closed ink flow loop, the valve having a body, a first port on the body for connection to the ink source, a second port on the body for connection to the printhead, a third port on the body for connection to a bypass ink path which bypasses the printhead on the closed loop, a fourth port on the body for connection to a gas vent on the closed loop, a chamber within the body via which the first, second, third and fourth ports are able to be interconnected and a selection device for selectively establishing interconnection between the first, second, third and fourth ports to allow ink flow therebetween. | 11-17-2011 |
20110279595 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH VALVE FOR GAS VENTING - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a gas vent on the closed loop and a multi-path valve on the closed loop for selectively allowing venting of gas in the closed loop via the gas vent. | 11-17-2011 |
20110279597 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR GAS VENTING - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing venting of gas in each of the closed loops via the gas vents | 11-17-2011 |
20110279598 | PRINTING SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR GAS VENTING - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing venting of gas in each of the closed loops via the gas vents. | 11-17-2011 |
20110279599 | FLUID DISTRIBUTION SYSTEM HAVING FOUR-WAY VALVE - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop, a gas vent on the closed loop and a four-way valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path and venting of gas in the closed loop via the gas vent. | 11-17-2011 |
20110279600 | PRINTING SYSTEM HAVING FOUR-WAY VALVE FOR PRINTHEAD - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop, a gas vent on the closed loop and a four-way valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path and venting of gas in the closed loop via the gas vent. | 11-17-2011 |
20110279601 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-CHANNEL FOUR-WAY VALVE - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-channel four-way valve for selectively allowing fluid flow along each closed loop via the printhead and the bypass paths and venting of gas in each closed loop via the gas vents. | 11-17-2011 |
20110279602 | PRINTING SYSTEM HAVING MULTI-CHANNEL FOUR-WAY VALVE FOR PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-channel four-way valve for selectively allowing fluid flow along each closed loop via the printhead and the bypass paths and venting of gas in each closed loop via the gas vents. | 11-17-2011 |
20110279603 | SYSTEM FOR PRIMING AND DE-PRIMING PRINTHEAD - A system for priming and de-priming a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a gas inlet on the closed loop and a valve on the closed loop for selectively allowing gas to enter the closed loop via the gas inlet, and a pump on the closed loop, wherein the pump is operational to draw fluid from the container in a first direction around the closed loop to prime the printhead with fluid from the container, and the vent is operational to cause fluid in the closed loop and the printhead to de-prime to the container in a second direction around the closed loop. | 11-17-2011 |
20110279604 | SYSTEM FOR FLUSHING PRINTHEAD AND PRINTHEAD BYPASS - A fluid distribution system for a media width printhead, the system having a fluid container having a gas vent; a first fluid path interconnecting the container and a first fluid port at one longitudinal end of the media width of the printhead, a second fluid path interconnecting the container and a second fluid port at the other longitudinal end of the media width of the printhead, a third fluid path interconnecting the first and second paths, pump on the second path, the pump being operational to draw fluid from the container through the first and second paths via the printhead and via the third fluid path to flush gas in the paths to the container for venting via the gas vent. | 11-17-2011 |
20110279605 | PRINTING SYSTEM HAVING VALVED INK AND GAS DISTRIBUTION FOR PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of fluid tubes each defining an individual closed fluid flow loop, a first multi-channel valve arrangement for selectively allowing fluid flow along each closed loop via the printhead by selectively moving a pinch element into and out of pinching contact with the fluid tubes so as to respectively block and allow fluid flow through the fluid tubes, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a second multi-channel valve arrangement for selectively allowing venting of gas in each closed loop via the gas vents. | 11-17-2011 |
20130169726 | PRINTER HAVING FIXED VACUUM PLATEN AND MOVING BELT ASSEMBLY - A printer includes: a fixed printhead assembly defining a print zone; a drive roller for feeding media along a media path and into the print zone, the drive roller being positioned upstream of the print zone; a fixed vacuum platen for receiving the media from the drive roller, the fixed vacuum platen being positioned in the print zone opposite the fixed printhead assembly; and a moving belt assembly positioned downstream of the print zone for receiving the media from the fixed vacuum platen. | 07-04-2013 |
20140098165 | Inkjet Printer Configured for Printhead Priming and Depriming - A fluid distribution system for a printhead. The system having a first fluid container a fluid connector for connection to a fluid input of the printhead; and a second fluid container connected between the first container and the connector for delivering fluid from the first container to the connector, wherein the second container is located relative to the first container and the connector so that a fluid pressure difference between fluid contained within the second container and fluid at the connector is independent of the amount of fluid contained within the first container. | 04-10-2014 |
20140240396 | PRINTER HAVING ROTATABLE SERVICE MODULES EMBEDDED IN FIXED VACUUM PLATEN - A printing system includes: a fixed printhead assembly having an array of printheads and vacuum platen assembly. The vacuum platen assembly includes a fixed vacuum platen and a plurality of rotatable service modules embedded in the fixed vacuum platen. Each service module is positioned opposite a respective printhead, and each service module comprises a respective vacuum platen module. | 08-28-2014 |
20150029243 | INKJET PRINTER HAVING BYPASS LINE - An inkjet printer includes: an ink container having an outlet port and a return port; a printhead having a first ink port and a second ink port; a first ink line interconnecting the outlet port and the first ink port; a second ink line interconnecting the return port and the second ink port; a bypass line interconnecting the first and second ink lines; a valve system for controlling fluid flow through the first ink line and the bypass line; and a controller for controlling the valve system. During printing, the controller is configured to open the first ink line and the bypass line. | 01-29-2015 |