a chromatic color dot creation module that creates {HEAD ~ dots} with the at least one chromatic color ink at {TAIL ~ a predetermined density} according to lightness information included in the image data to be mixed with the dots of at least one of the multiple achromatic color inks 
at
a chromatic color dot creation module that creates { HEAD ~ dots } with the at least one chromatic color ink at { TAIL ~ a predetermined density } according to lightness information included in the image data to be mixed with the dots of at least one of the multiple achromatic color inks
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL 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