A printing apparatus is provided with {HEAD ~ multiple achromatic color inks} having different densities and {TAIL ~ at least one chromatic color ink} 
having
A printing apparatus is provided with { HEAD ~ multiple achromatic color inks } having different densities and { TAIL ~ at least one chromatic color ink }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL