Abstract: A technique of operating an electromechanical drop generator having an electromechanical transducer, including applying across the electromechanical transducer a series of drop firing waveforms in a series of drop firing time intervals to produce a series of drops of substantially identical drop mass, wherein a characteristic of the waveforms is varied from one waveform to a next waveform.

Abstract: Systems, methods, and programs for increasing the quality of a marked image determine a marking pattern based on an input image signal, the marking pattern containing at least two sizes of marks, and eject single sized drops of marking material corresponding to a smallest one at least two sizes of marks on an intermediate substrate such that at least two of the single sized drops of marking material coalesce on the intermediate substrate to form another of the at least two sizes of marks.

Abstract: A dual-drop mode for a printer uses at least two full length waveforms and switches between the waveforms according to one or more patterning methodologies to print a page length document having a dual drop size print pattern across the printed portion of the page. This achieves printing from individual jet nozzles of either a large drop or a small drop The page size patterning methodology is performed globally on at least a sub-page basis, rather than on a pixel-by-pixel basis and may be performed based on or independent of specific image data.

Abstract: A method of processing cyan, magenta, and yellow color values C1, M1, Y1 including transforming the C1, M1, Y1 color values to cyan, magenta, and yellow color values C, M, Y in such a manner that each of C, M, Y is not greater than a predetermined maximum value VMAX; obtaining blue, cyan and magenta output color values B, Cout, Mout by setting B=0, Cout=C, and Mout=M; if the sum C+M is greater than VMAX, obtaining blue, cyan and magenta output color values B, Cout, Mout such that B+Cout+Mout=VMAX; and half-toning B, Cout, Mout and Y using a first threshold array A1 for B, Cout and Mout, and a second threshold array A2 for Y.

Abstract: A method of processing cyan, magenta and yellow color values including half-toning cyan and magenta colors values, and half-toning yellow color values in such a manner that yellow dots tend to be printed next to cyan, magenta or secondary color dots regardless of cyan, magenta, or yellow coverages.

Abstract: A dual-drop mode for a printer uses at least two full length waveforms and switches between the waveforms according to one or more patterning methodologies to print a page length document having a dual drop size print pattern across the printed portion of the page. This achieves printing from individual jet nozzles of either a large drop or a small drop. The page size patterning methodology is performed globally on at least a sub-page basis, rather than on a pixel-by-pixel basis and may be performed based on or independent of specific image data. In exemplary embodiments, printing is achieved using multiple print passes, with at least two print passes using different sized ink droplets.

Abstract: An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating with a thermoset, and an optional heating member associated with the offset printing apparatus.

Abstract: An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating having an elastomer of monomers selected from the group consisting of halogenated monomers, polyorganosiloxane monomers, and mixtures thereof, and an optional heating member associated with the offset printing apparatus