Patent application number | Description | Published |
20110025739 | WIDE FORMAT PRINTER WITH PRINTHEAD CARRIAGE CONNECTED TO INK SUPPLY FROM A SINGLE SIDE - 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. | 02-03-2011 |
20110025748 | WIDE FORMAT PRINTER WITH FIXED PRINTHEADS AND MOVABLE VACUUM PLATEN - A wide format printer 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. The media path is more than 432 mm (17 inches) wide. | 02-03-2011 |
20110025749 | WIDE FORMAT PRINTER WITH INPUT ROLLER AND MOVABLE MEDIA ENGAGEMENT OUTPUT - A wide format printer that has 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 wherein, the print zone is more than 432 mm (17 inches) wide. | 02-03-2011 |
20110025750 | WIDE FORMAT PRINTER WITH INPUT ROLLER AND MOVABLE MEDIA ENGAGEMENT OUTPUT FOR SIMULTANEOUSLY ENGAGING MEDIA - A wide format printer that has 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 wherein the print zone is more than 432 mm (17 inches) wide. | 02-03-2011 |
20110025754 | PRINTING SYSTEM WITH INDEPENDENTLY OPERABLE PRINTHEAD SERVICE MODULES - A printing system that has a printhead assembly for printing media fed along a media path 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 and each of the service modules are independently operable. | 02-03-2011 |
20110025755 | WIDE FORMAT PRINTER WITH INDEPENDENTLY OPERABLE PRINTHEAD SERVICE MODULES - A wide format printer that has a printhead assembly for printing media fed along a media path, the media path being more than 432 mm (17 inches) wide, 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 and each of the service modules are independently operable. | 02-03-2011 |
20110025759 | PRINTING SYSTEM WITH MULTIPLE PRINTHEADS EACH SUPPLIED BY MULTIPLE CONDUITS - A printing system 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 each fluidically coupled to the feed and the return lines via separate couplings. Each of the printheads receives ink from both the feed and the return lines. | 02-03-2011 |
20110025760 | PRINTING SYSTEM WITH PRINTHEADS SUPPLIED BY MULTIPLE INK CONDUITS CONNECTED BY A BYPASS LINE - A printing system with an ink supply, a feed line coupled to the ink supply, a return line coupled to the ink supply, a plurality of printheads each fluidically coupled to the first and return lines and a bypass line coupling the feed line to the return line. | 02-03-2011 |
20110025761 | PRINTING SYSTEM WITH MULTIPLE INK ACCUMULATORS - A printing system 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 in fluid communication with the accumulator reservoir. Each of the printheads has 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 |
20110025762 | PRINTING SYSTEM WITH PUMP TO PRIME PRINTHEADS - A printing system 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 each 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 |
20110025763 | PRINTING SYSTEM WITH PUMP TO CREATE PRESSURE DIFFERENCE ACROSS PRINTHEADS - A printing system that has an ink supply, a first conduit coupled to the ink supply, a second conduit coupled to the ink supply, a plurality of printheads each coupled to the first conduit and the second conduit and a pumping system to generate a pressure difference between the first conduit and the second conduit during a printhead replacement operation. | 02-03-2011 |
20110025764 | PRINTING SYSTEM WITH PUMP TO PRIME MULTIPLE PRINTHEADS - A printing system 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 each fluidically coupled to the feed and the return lines, a bypass line coupling the feed line 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 |
20110025766 | WIDE FORMAT PRINTER WITH ADJUSTABLE AEROSOL COLLECTION - A wide format printer that has a drive roller for feeding different sizes of media along a media path at least 432 mm (17 inches) wide, 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 |
20110025769 | WIDE FORMAT PRINTER WITH PRINTHEADS SUPPLIED BY MULTIPLE INK CONDUITS CONNECTED BY A BYPASS LINE - 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. | 02-03-2011 |
20110025773 | WIDE FORMAT PRINTER WITH SPITTOON AND AEROSOL COLLECTION - A wide format printer that has a media feed assembly for feeding different sizes of media along a media path having a width from 914 mm (36 inches) to 1372 mm (54 inches), 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 |
20110025776 | WIDE FORMAT PRINTER WITH DATUM FEATURES ON PRINTHEAD CARRIAGE - 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. | 02-03-2011 |
20110025781 | INKJET PRINTER WITH PRINTHEAD MODULES HAVING INDIVIDUAL INK INTERFACES - An inkjet printer 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 and a plurality of interfaces for supplying ink to, and receiving ink from each of the printhead modules respectively. | 02-03-2011 |
20110025799 | PRINTING SYSTEM WITH SCANNER TO ALIGN PRINTHEAD ASSEMBLY - A printing system that has a printhead assembly, a vacuum platen assembly opposite the printhead assembly, a media path between the printhead assembly and the vacuum platen, a drive roller for moving media along the media path, a vacuum belt assembly to move the media away from the vacuum platen assembly and a scanner adjacent the vacuum belt to capture information from the media for feedback control of the printhead assembly. | 02-03-2011 |
20110025800 | METHOD OF PRINTING USING INPUT ROLLER AND MOVABLE MEDIA ENGAGEMENT OUTPUT - A method of printing by translating media across a print zone at a first speed based upon the angular velocity of a drive roller and subsequently translating the media at a second speed determined by a movable media engagement assembly configured to engage one side of the media. | 02-03-2011 |
20110025804 | WIDE FORMAT PRINTER WITH MEDIA ENCODER IN THE PLATEN - A wide format printer that has a vacuum platen assembly, a printhead assembly spaced from the vacuum platen assembly, a media path extending between the vacuum platen assembly and the printhead assembly and a media encoder embedded within the vacuum platen assembly wherein, the media path is greater than 432 mm (17 inches) wide. | 02-03-2011 |
20110025805 | Wide format printer with independently movable printed service modules - A wide format printer that has a media transport system configured to transport media along a media path that is more than 432 mm (17 inches) wide, 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 |
20110025806 | WIDE FORMAT PRINTER FOR MEDIA OF DIFFERENT SIZES - A wide format printer that has a media transport system configured to transport media of differing dimensions along a media path, and a printhead assembly for printing media transported along the media path, the media path having variable widths depending on the dimensions of the media but a minimum width of 432 mm (17 inches). The printer also has a plurality of service modules for the printhead assembly, each being configured to operate in a plurality of different modes. 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 |
20110026046 | WIDE FORMAT PRINTER WITH SCANNER TO ALIGN PRINTHEAD ASSEMBLY - A wide format printer that has a printhead assembly, a vacuum platen assembly opposite the printhead assembly, a media path between the printhead assembly and the vacuum platen, a drive roller for moving media along the media path, a vacuum belt assembly to move the media away from the vacuum platen assembly and a scanner adjacent the vacuum belt to capture information from the media for feedback control of the printhead assembly. The media path is more than 432 mm (17 inches wide). | 02-03-2011 |
20110026047 | INKJET PRINTING SYSTEM WITH MEDIA ENCODER IN THE PLATEN - An inkjet printing system that has a vacuum platen assembly, a printhead assembly spaced from the vacuum platen assembly and a media encoder embedded within the vacuum platen assembly. | 02-03-2011 |
20110277303 | METHOD OF ASSEMBLING PRINTHEAD FLUID DISTRIBUTION COUPLING - A method of assembling a coupling for distributing fluid to a printhead, the method having, mounting a seal member on a housing, inserting a shaft through a hole in the housing and the seal member, positioning a compression spring on the shaft and mounting a port plate on the shaft using a washer about the shaft so that the spring is compressed between the port plate and the housing and a plurality of ports in the port plate align with respective ones of a plurality of seals of the seal member for receiving respective fluid spouts of the printhead. | 11-17-2011 |
20110279542 | PRINTHEAD COUPLING HAVING CAM DRIVEN MECHANISM - A coupling assembly for distributing fluid to a printhead, the coupling assembly having a housing, a port plate movably mounted to a shaft which passes through the port plate and housing, a compression spring mounted on the shaft by a washer so as to be compressed between the washer and the port plate and an arm pivotally connected to the shaft at one of its longitudinal ends and pivotally connected to a coupling drive mechanism at its other longitudinal end | 11-17-2011 |
20110279556 | PRINTHEAD COUPLING FOR FLUID DISTRIBUTION - A coupling for distributing fluid to a printhead, the coupling having a housing, a port plate movably mounted on the housing by a shaft, the port plate having a plurality of ports for receiving respective fluid spouts of the printhead, a seal member mounted on the housing between the housing and the port plate, the seal member having a plurality of seals which align with respective ones of the ports of the port plate and a compression spring mounted on the shaft by a washer so as to be compressed between the washer and the port plate. | 11-17-2011 |
20110279577 | MULTI-CHANNEL VALVE FOR PRINTHEAD - A multi-channel valve for a media width inkjet printhead, the printhead being connected to a plurality of ink supplies via a plurality of ink flow channels, the valve having a body, a plurality of sealed chambers within the body, a plurality of groups of ports on the body, each port group being associated with a respective one of the chambers and having individual ports for respective connection to the printhead and a respective one of the ink supplies and a selection device for selectively establishing interconnection between the ports of each port group to allow ink flow therebetween for each of the channels. | 11-17-2011 |
20110279578 | DIAPHRAGM VALVE FOR PRINTHEAD - A diaphragm valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a plurality of ports on the body for connection to the ink source and printhead, a chamber within the body via which the ports are able to be interconnected, a diaphragm pad having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports thereby allowing ink flow therebetween. | 11-17-2011 |
20110279579 | MULTI-CHANNEL DIAPHRAGM VALVE FOR PRINTHEAD - A multi-channel diaphragm valve for distributing ink from a plurality of ink supplies to a media width inkjet printhead via a plurality of ink flow channels, the valve having: a body; a plurality of sealed chambers within the body, a plurality of groups of ports on the body, each port group being associated with a respective one of the chambers and having individual ports for respective connection to the printhead and a respective one of the ink supplies and a plurality of diaphragm pads having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports of each port group to allow ink flow therebetween for each of the channels. | 11-17-2011 |
20110279580 | ROTARY VALVE FOR PRINTHEAD - A rotary valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a shaft rotatably mounted to the body, a channel cylinder arranged on the shaft to be rotatable therewith, the channel cylinder having a channel defined along its circumference, a port cylinder fixed to the body relative to the shaft so as to concentrically and sealingly enclose the channel cylinder, the port cylinder having a plurality of ports defined therethrough along its circumference for respective connection to the printhead and ink source, each port being aligned with a portion of the channel and a selection device for selectively rotating the shaft to establish interconnection between the ports and the channel thereby allowing ink flow between the ports via the channel. | 11-17-2011 |
20110279581 | MULTI-CHANNEL ROTARY VALVE FOR PRINTHEAD - A multi-channel rotary valve is provided for distributing ink from ink supplies to a media width inkjet printhead via ink flow channels. The valve has a body, a shaft rotatably mounted to the body, a cylindrical channel arrangement mounted on the shaft to be rotatable therewith, a cylindrical port arrangement fixed to the body relative to the shaft so as to concentrically and sealingly enclose the channel arrangement, and a selection device. The channel arrangement has individual channels defined along its circumference. The port arrangement has groups of ports defined therethrough along its circumference for respective connection to the printhead and a respective ink supply. Each port group is aligned with a portion of a respective channel. The selection device selectively rotates the shaft to establish interconnection between the ports of each port group via the respective channels to allow ink flow therebetween for each of the ink flow channels. | 11-17-2011 |
20110279584 | SIMPLE PRINTHEAD COUPLING FOR FLUID DISTRIBUTION - A coupling assembly for distributing fluid to a printhead, the coupling assembly having a housing, a seal member received in a recess of the housing, a port plate movably mounted on the housing by a washer which is press-on mounted to a shaft through the port plate and housing, and a tube retainer mounted within a groove of the housing for retaining fluid distribution tubes, the retainer having a plurality of holes aligned with respective ones of a plurality of ports in the port plate and a plurality of seals of the seal member for fluidically connecting the retained fluid distribution tubes with respective fluid spouts of the printhead, wherein mounting of each of the seal member, port plate and retainer to the housing is achieved in a non-fastened manner. | 11-17-2011 |
20110279585 | METHOD OF ASSEMBLING SIMPLE PRINTHEAD FLUID DISTRIBUTION COUPLING - A method of assembling a coupling for distributing fluid to a printhead, the method having, mounting a seal member in a recess of a housing, inserting a shaft through a hole in the housing and the seal member, mounting a port plate on the shaft using a washer which is press-on mounted to the shaft and mounting a tube retainer for retaining fluid distribution tubes within a groove of the housing, the retainer having a plurality of holes aligned with respective ones of a plurality of ports in the port plate and a plurality of seals of the seal member for fluidically connecting the retained fluid distribution tubes with respective fluid spouts of the printhead, wherein the mounting of each of the seal member, port plate and retainer to the housing is achieved in a non-fastened manner. | 11-17-2011 |
20110279586 | SYSTEM FOR COUPLING FLUID SUPPLY TO PRINTHEAD - A system for coupling a media width printhead to a fluid supply is provided having a printhead having a fluid inlet coupling at one longitudinal end of the media width and a fluid outlet coupling at the other longitudinal end of the media width, an inlet supply coupling having fluid ports defined in a port plate for engagement with fluid ports of the inlet coupling, an outlet supply coupling having fluid ports defined in a port plate for engagement with fluid ports of the outlet coupling, and a coupling drive mechanism connected to the port plates of the supply couplings via pre-compressed compression springs. The coupling drive mechanism is operational to move the port plates relative to the printhead so as to drive the ports of the supply couplings into engagement with the respective ports of the printhead couplings. | 11-17-2011 |
20110279596 | PRINTING SYSTEM HAVING MULTI-PATH VALVE FOR GAS VENTING - A printing system having a media width printhead, 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 |