If charge up does not occur in the pattern 171, then the tail 175 does not appear in the downstream of the scan line in the pattern 171 as the digital image in each of the reciprocating scan lines 173 and 174, resulting in {TAIL ~ a high degree} of {HEAD ~ coincidence} 
If charge up does not occur in the pattern 171 , then the tail 175 does not appear in the downstream of the scan line in the pattern 171 as the digital image in each of the reciprocating scan lines 173 and 174 , resulting in { TAIL ~ a high degree } of { HEAD ~ coincidence }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD