{HEAD ~ The overcoming} of the above problems is achieved through the use of a switch at the outlet of the automatic document feeder and the use of {TAIL ~ another switch} in the copy paper path 
{ HEAD ~ The overcoming } of the above problems is achieved through the use of a switch at the outlet of the automatic document feeder and the use of { TAIL ~ another switch } in the copy paper path
HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH