The controller being configured to determine the arbitrary shape of the join region and to supply dot data to {HEAD ~ the printhead} which compensates for {TAIL ~ the determined arbitrary shape} 
compensates for
The controller being configured to determine the arbitrary shape of the join region and to supply dot data to { HEAD ~ the printhead } which compensates for { TAIL ~ the determined arbitrary shape }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL