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