{HEAD ~ the printing data producing unit} producing {TAIL ~ printing data} based on the image data and the correction information so that the density of dots, printed by the printing elements, varies continuously across adjacent printing elements along the entire line of printing elements substantially according to at least one of a linear, quadratic, and elliptical function 
producing
{ HEAD ~ the printing data producing unit } producing { TAIL ~ printing data } based on the image data and the correction information so that the density of dots , printed by the printing elements , varies continuously across adjacent printing elements along the entire line of printing elements substantially according to at least one of a linear , quadratic , and elliptical function
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH