{HEAD ~ The problem} relative to power failure is solved by simulating a copy cycle during {TAIL ~ the interval} from the power failure until the next document is fed 
{ HEAD ~ The problem } relative to power failure is solved by simulating a copy cycle during { TAIL ~ the interval } from the power failure until the next document is fed
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH