Abstract: A cooling system comprising of a coolant manifold, a heat sink configured to fit in the coolant manifold, a plurality of cooling fins formed in the heat sink, and a coolant configured to flow through the coolant manifold to the heat sink. Diamond shaped pin fins associated with the heat sink create a series of divergent fluid paths for the cooling fluid that helps to create turbulence and improved heat transfer.

Abstract: A DMD cooling apparatus and method includes a DMD chip configured on a substrate, and a heatsink located within and integrated into the substrate upon which the DMD is configured. A plurality of micro-channels can be formed on a backside of the substrate. The micro-channels are fabricated via microlithography in association with a fabrication of the DMD chip such that the heatsink integrated into the silicon substrate allows for direct heat removal from the substrate.

Abstract: An apparatus and a method for cooling a digital mirror device are disclosed. For example, the apparatus includes a digital mirror device (DMD), a thermal pad, wherein a first side of the thermal pad is coupled to a bottom of a housing of the DMD and a cooling block coupled to a second side of the thermal pad that is opposite the first side. The cooling block includes a plate that includes a plurality of openings that generates a liquid jet of a liquid that is forced through the plurality of openings towards a side of the cooling block coupled to the thermal pad.

Abstract: An environmental control system includes a heat exchanger and a desiccant dehumidifier, and a laser imaging module that includes one or more digital micromirror devices and one or more laser diode units. The heat exchanger reduces the temperature of the air to be delivered to the laser imaging module, wherein prior to the air entering the laser imaging module, the air passes through the desiccant dehumidifier, which dries the air to a lower relative humidity so as to reduce the environmental relative humidity to prevent condensation on critical components within the laser imaging module such as the digital micromirror devices and the laser diode units.

Abstract: A DMD cooling apparatus and method includes a DMD chip configured on a substrate, and a heatsink located within and integrated into the substrate upon which the DMD is configured. A plurality of micro-channels can be formed on a backside of the substrate. The micro-channels are fabricated via microlithography in association with a fabrication of the DMD chip such that the heatsink integrated into the silicon substrate allows for direct heat removal from the substrate.

Abstract: In an example embodiment, an image processing system can be implemented, which includes a printing surface and a prism that splits light from an input light source into two parallel light beams indicative of a signal image. Two or more DMDs (Digital Micromirror Devices) can be utilized, wherein the two parallel light beams are directed to the DMDs for image processing, such that as the two parallel light beams are reflected out onto the printing surface, the two parallel light beams are recombined into a single image, thereby enabling heat dissipation while “stitching” said output of said at least two digital micromirror devices to a usable video path.

Abstract: An ink-based digital printing dampening fluid delivery system useful for printing with an ink-based digital printing system, the ink-based digital printing system having an imaging member, includes a supply chamber; and a supply channel, the supply channel being configured to deliver fluid onto a surface of the imaging member, wherein a width of the surface of the imaging member onto which dampening fluid is applied is twenty percent greater, or more, than a diameter of the supply chamber.

Abstract: An ink-based digital printing dampening fluid delivery system useful for printing with an ink-based digital printing system, the ink-based digital printing system having an imaging member, includes a supply chamber; and a supply channel, the supply channel being configured to deliver fluid onto a surface of the imaging member, wherein a width of the surface of the imaging member onto which dampening fluid is applied is twenty percent greater, or more, than a diameter of the supply chamber.

Abstract: An ink-based digital printing dampening fluid delivery system useful for printing with an ink-based digital printing system, the ink-based digital printing system having an imaging member is provided. The dampening fluid delivery system includes a supply chamber, a supply channel and a particularly-configured vapor mixing chamber. The vapor mixing chamber is in fluid communication with the supply chamber. The vapor mixing chamber interfaces with the supply chamber by way of a plurality of equally spaced, angled, small-diameter vapor exit ports for providing dampening fluid to be entrained in a flow of air provided to carry a uniform mass fraction distribution of the dampening fluid to be deposited on a reimageable surface of the imaging member.

Abstract: A system for dampening fluid recovery in an ink-based digital printing system includes a seal manifold having a front seal portion, the front seal portion having an upper wall facing the imaging surface, the upper wall being configured to define an air flow channel with the imaging surface, the upper wall being contoured to form a distance between the upper wall and the imaging surface at an evaporation location that is less than distance between the upper wall and the imaging surface at locations interposing the evaporation location and a vacuum inlet channel of the seal manifold.

Abstract: A system for dampening fluid recovery in an ink-based digital printing system includes a seal manifold having a front seal portion, the front seal portion having an upper wall facing the imaging surface, the upper wall being configured to define an air flow channel with the imaging surface, the upper wall being contoured to form a distance between the upper wall and the imaging surface at an evaporation location that is less than distance between the upper wall and the imaging surface at locations interposing the evaporation location and a vacuum inlet channel of the seal manifold.

Abstract: An acoustic cavity conditions the air flowing from a blower to reduce noise in the airflow. The air flowing directly out of the blower exhibits pulses produced by each impeller blade or fan blade. The airflow noise is thereby induced at certain frequencies. Printing operations inside a printer can also occur at specific frequencies. Introducing the airflow directly into certain areas of a printer can result in the noise frequencies and printing frequencies to combine and produce noticeable printing artifacts. An acoustic cavity tuned to dampen the airflow noise can condition the airflow and eradicate the printing artifacts.

Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device. A flow of air may be provided from a blower to a plenum. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. Air from the plenum is provided to the back surface of the sheet to urge it toward the sensor.

Abstract: An acoustic cavity conditions the air flowing from a blower to reduce noise in the airflow. The air flowing directly out of the blower exhibits pulses produced by each impeller blade or fan blade. The airflow noise is thereby induced at certain frequencies. Printing operations inside a printer can also occur at specific frequencies. Introducing the airflow directly into certain areas of a printer can result in the noise frequencies and printing frequencies to combine and produce noticeable printing artifacts. An acoustic cavity tuned to dampen the airflow noise can condition the airflow and eradicate the printing artifacts.

Abstract: A method and system for reducing or eliminating banding in a rendering device caused by pressure pulsations from a blower. The pressure pulsation frequency resulting from a plurality of pressure pulsations propagated from a blower can be reduced by forming an obstruction device at an outlet of the blower. Total airflow and total pressure propagated by the blower are maintained by modifying or removing an existing restrictor plate thereby reducing acoustic noise associated with the pressure pulsations in a xerographic cavity.

Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device using vacuum and/or the flow or air. A source of low pressure, such as a vacuum, may be provided. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. The source of low pressure is connected to the one of the transport baffle so as to draw the surface of the sheet toward the sensor. In addition, air flow may be directed to the opposite surface of the sheet to urge it toward the sensor.

Abstract: A measurement module for a printer generally includes a page diverter mechanism configured to selectively divert a sheet of media from a main media path to a module media path; a rotating drum configured to receive the media from the module media path and to affix the media on an outer surface of the drum; a measuring device spaced adjacent to the drum and configured to measure as aspect of the media affixed to the surface of the drum; and a sheet transport configured to remove the media from the drum. According to one embodiment, the module may include a drum with an electrostatic hold-down mechanism that captures a sheet and an axially translating measuring device that is configured to read the entire surface as the drum rotates. The measurement module also allows the printed media to cool to eliminate problems with color measurements due to thermo chromaticity.

Abstract: A measurement module for a printer generally includes a page diverter mechanism configured to selectively divert a sheet of media from a main media path to a module media path; a rotating drum configured to receive the media from the module media path and to affix the media on an outer surface of the drum; a measuring device spaced adjacent to the drum and configured to measure as aspect of the media affixed to the surface of the drum; and a sheet transport configured to remove the media from the drum. According to one embodiment, the module may include a drum with an electrostatic hold-down mechanism that captures a sheet and an axially translating measuring device that is configured to read the entire surface as the drum rotates. The measurement module also allows the printed media to cool to eliminate problems with color measurements due to thermo chromaticity.

Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device. A flow of air may be provided from a blower to a plenum. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. Air from the plenum is provided to the back surface of the sheet to urge it toward the sensor.

Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device using vacuum and/or the flow or air. A source of low pressure, such as a vacuum, may be provided. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. The source of low pressure is connected to the one of the transport baffle so as to draw the surface of the sheet toward the sensor. In addition, air flow may be directed to the opposite surface of the sheet to urge it toward the sensor.