{HEAD ~ A lower ramp} is disposed below the upper ramp and is movable into and out of the sheet feed plane in alternating relation to {TAIL ~ the upper ramp} 
{ HEAD ~ A lower ramp } is disposed below the upper ramp and is movable into and out of the sheet feed plane in alternating relation to { TAIL ~ the upper ramp }
HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL