{HEAD ~ circuit means} for processing {TAIL ~ signals} output by said first and second encoder means to perform a desired two color separation 
for processing
{ HEAD ~ circuit means } for processing { TAIL ~ signals } output by said first and second encoder means to perform a desired two color separation
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH