Abstract: A control circuit for a thermally-activated microfluidic ejection element and a method of dispensing a fluid composition from the same is provided. The thermally-activated microfluidic ejection element includes a plurality of nozzles and a thermal actuator associated with each nozzle, and a control circuit that includes: a logic circuit that increments through a pre-determined sequence, wherein the sequence is defined by the physical layout of the thermally-activated microfluidic ejection element; a first input in electrical communication with the logic circuit; a second input in electrical communication with each thermal actuator, wherein the first input and second input are used to select and energize each thermal actuator on the thermally-activated microfluidic ejection element.

Abstract: A control circuit for a thermally-activated microfluidic ejection element and a method of dispensing a fluid composition from the same is provided. The thermally-activated microfluidic ejection element includes a plurality of nozzles and a thermal actuator associated with each nozzle, and a control circuit that includes: a logic circuit that increments through a pre-determined sequence, wherein the sequence is defined by the physical layout of the thermally-activated microfluidic ejection element; a first input in electrical communication with the logic circuit; a second input in electrical communication with each thermal actuator, wherein the first input and second input are used to select and energize each thermal actuator on the thermally-activated microfluidic ejection element.

Abstract: A system for testing or debugging a device under test having an embedded logic analyzer. In one embodiment, the system includes software stored in non-transitory memory for testing a device under test having an embedded logic analyzer, the software program product having instructions which, when executed by a computing device associated with the device under test cause the computing device to reconstruct signals of interest in the device under test based at least in part upon signals captured by the embedded logic analyzer during the test or debug session, and cause the computing device to display the reconstructed signals of interest to a user of the computing device.

Abstract: A system for testing or debugging a system including the integrated circuit having an embedded logic analyzer. In one embodiment, the system includes a computing device coupled to the logic analyzer for receiving the at least one output. A user interface run on the computing device assigns an attribute to at least one signal associated with the logic analyzer, determines a new signal or value not provided by the logic analyzer, the new signal or value being based upon the at least one signal as received from the logic analyzer and upon a predetermined definition, and presents the new signal or value to a system user.

Abstract: Disclosed is a method for printing a media sheet in a media processing device. The method includes aligning a first portion of a printhead of the media processing device to a print area of the media sheet. The method further includes printing the print area of the media sheet by traversing the printhead over the print area in a first direction. The printing is performed by the first portion. Further, the method includes aligning a second portion of the printhead to the print area by adjusting the media sheet relative to the printhead by an index distance in a direction perpendicular to the first direction. Thereafter, the method includes reprinting the print area by traversing the printhead over the print area in a second direction opposite to the first direction. The reprinting is performed by the second portion.

Abstract: A system for testing or debugging a device under test having an embedded logic analyzer. In one embodiment, the system includes software stored in non-transitory memory for testing a device under test having an embedded logic analyzer, the software program product having instructions which, when executed by a computing device associated with the device under test cause the computing device to reconstruct signals of interest in the device under test based at least in part upon signals captured by the embedded logic analyzer during the test or debug session, and cause the computing device to display the reconstructed signals of interest to a user of the computing device.

Abstract: A method for correcting misalignment between a plurality of columns of color ink jetting nozzle arrays of a color printhead during printing with a hand held printer includes determining a misdirection angle of motion of the plurality of columns of color ink jetting nozzle arrays relative to a desired direction of motion of the hand operated printer; determining for each of the plurality of columns of color ink jetting nozzle arrays a respective usable nozzles subset to be used in printing a swath, based on the misdirection angle; determining an amount of shifting of at least one of the respective usable nozzles subsets to adjust for non-perpendicularity of the color ink jetting nozzle arrays relative to the desired direction of motion, based on the misdirection angle; and shifting the respective usable nozzles subset for a respective column based on the amount determined.

Abstract: A system for testing or debugging a system including the integrated circuit having an embedded logic analyzer. In one embodiment, the system includes a computing device coupled to the logic analyzer for receiving the at least one output. A user interface run on the computing device assigns an attribute to at least one signal associated with the logic analyzer, determines a new signal or value not provided by the logic analyzer, the new signal or value being based upon the at least one signal as received from the logic analyzer and upon a predetermined definition, and presents the new signal or value to a system user.

Abstract: A method for printing of raster data in a media processing device is disclosed. The method includes identifying an attribute of a set of raster lines of the raster data. The method further includes determining at least one print mode from a plurality of print modes based on the attribute. Each print mode of the plurality of print modes is configured to print the set of raster lines of the raster data. Furthermore, the method includes printing the set of raster lines of the raster data in the at least one print mode.

Abstract: Disclosed is a method for printing a media sheet in a media processing device. The method includes aligning a first portion of a printhead of the media processing device to a print area of the media sheet. The method further includes printing the print area of the media sheet by traversing the printhead over the print area in a first direction. The printing is performed by the first portion. Further, the method includes aligning a second portion of the printhead to the print area by adjusting the media sheet relative to the printhead by an index distance in a direction perpendicular to the first direction. Thereafter, the method includes reprinting the print area by traversing the printhead over the print area in a second direction opposite to the first direction. The reprinting is performed by the second portion.

Abstract: A method for controlling the media feed of a print media sheet in an imaging apparatus having a media feed roller includes selecting between using absolute positioning of the media feed roller and relative positioning of the media feed roller for various media feed roller moves.

Abstract: A method for generating a reference signal for use in an imaging apparatus having an encoder system that supplies an original encoder signal includes selecting one of a plurality of encoder signal conditioning algorithms corresponding to a plurality of desired functions, each encoder signal conditioning algorithm of the plurality of encoder signal conditioning algorithms being directed to facilitating a specific predefined function of the plurality of desired functions relating to a modification of the original encoder signal; reading values into the selected encoder signal conditioning algorithm to generate at least one programming parameter; and programming a hardware reference unit using the at least one programming parameter to generate a synthesized encoder signal representing the modification of the original encoder signal.

Abstract: A system for selecting and applying an appropriate print quality defect correction technique to compensate for specified print quality defects includes a printhead deployed to perform an operation that forms an image on a print medium sheet composed of multiple adjacently-positioned swaths of print, a sensor mechanism deployed to perform an operation that scans the image, detects the presence of specified print quality defects in the multiple adjacently-positioned swaths of print, and generates an output corresponding to the detected defect, and a control mechanism communicating with and controlling operations of the printhead and sensor mechanism and storing an algorithm that responds to the sensor mechanism output by analyzing and comparing the output with a stored threshold value and when the output exceeds the stored threshold value selecting and applying an appropriate print quality defect correction technique to the printhead that compensates for the detected print quality defect in the multiple adjacen

Abstract: A trough support rib for improved edge-to-edge printing having a media feedpath extending in a first direction, a printhead reciprocally movable in a second direction, the second direction defining a print zone, an ink trough, at least one support rib beneath the print zone within the ink trough, the at least one support rib having an upper angled edge for engaging print media defined by two beveled surfaces, the rib further including a notch for removal of overspray ink to the ink trough.

Abstract: A method for decreasing sensitivity to errors in an imaging apparatus includes, defining an ideal pattern of dot locations as a rectilinear grid formed by an intersection of a plurality of rasters and a plurality of vertical columns; for each raster of the plurality of rasters defining a plurality of groups of dot locations; and for each raster of the plurality of rasters, vertically shifting some groups of the plurality of groups of dot locations while not vertically shifting a remainder of groups of the plurality of groups of dot locations so as to define a non-ideal vertically shifted pattern of dot locations.

Abstract: An improved method of edge-to-edge printing on media in a printer having a printhead disposed above an ink trough, the ink trough has a plurality of sections formed by a plurality of trough support ribs within the ink trough, comprises indexing a leading edge of media to a first position over a first trough section, selectively operating printhead jets which are positioned above the media to inhibit ink contamination of exposed support ribs, indexing the media leading edge to one of a second position within the first trough section or a position within a second trough section.

Abstract: A method to compensate for imperfect scanner motion in a scanning apparatus having a moveable scanner includes generating an error array by measuring errors in a scanner position at each of a plurality of spaced positions along a direction of travel of the scanner; generating an error compensation array from the error array based on a low frequency component of the error array; and using the error compensation array to adjust at least one parameter associated with the scanning apparatus during a document scanning operation.

Abstract: An interface device for attaching a printhead carrier to a carrier drive belt includes a belt holder attached to the carrier drive belt, and an isolator coupled between the belt holder and the printhead carrier. The isolator is configured to provide directionally dependent filtering of vibrations propagating to the printhead carrier.

Abstract: A method for controlling the media feed of a print media sheet in an imaging apparatus having a media feed roller includes selecting between using absolute positioning of the media feed roller and relative positioning of the media feed roller for various media feed roller moves.

Abstract: A method for correcting misalignment between a plurality of columns of color ink jetting nozzle arrays of a color printhead during printing with a hand held printer includes determining a misdirection angle of motion of the plurality of columns of color ink jetting nozzle arrays relative to a desired direction of motion of the hand operated printer; determining for each of the plurality of columns of color ink jetting nozzle arrays a respective usable nozzles subset to be used in printing a swath, based on the misdirection angle; determining an amount of shifting of at least one of the respective usable nozzles subsets to adjust for non-perpendicularity of the color ink jetting nozzle arrays relative to the desired direction of motion, based on the misdirection angle; and shifting the respective usable nozzles subset for a respective column based on the amount determined.