Such rollers typically must be semiconductive, and the degree of that conductivity affects {TAIL ~ printing} and {HEAD ~ the consistency} of printing 
Such rollers typically must be semiconductive , and the degree of that conductivity affects { TAIL ~ printing } and { HEAD ~ the consistency } of printing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH