Abstract: A method provides reference profile density values for at least one color combination having a plurality of colors produced by a reference device using a reference colorant set, at least one overprint color combination having reference initial percent dot values (IPDVs); providing current profile density values for at least one color combination produced by a current device using a current colorant set, at least one color combination produced by the current colorant set having current IPDVs; quantifying reference theoretical percent dot values (TPDVs) as efficiency attributes using reference colorant set; quantifying current TPDVs as efficiency attributes using the current colorant set; and calculating factors that compensate for at least one difference between image data produced with the reference colorant set and image data to be printed with the current colorant set in response to reference efficiency attributes and current efficiency attributes, factors used to adjust and generate image data.

Abstract: A printing adjustment method includes providing a plurality of solid and screened density values produced by a proofing device that represent intended density values. The method also includes providing a plurality of solid and screened density values produced by a press output device. The method also provides calculating, in response to selected ones of the plurality of density values produced by the press output device and selected ones of the plurality of density values produced by the proofing device, required percent dot values to be used to print on the press output device a plurality of adjusted density values that approximately correspond to the intended density values. In a particular embodiment, the plurality of solid density values produced by the press output device are varied approximately linearly in density along a first axis, the first axis approximately perpendicular to direction in which output of the press output device is produced.