{TAIL ~ The coefficient} of reflectance of the output reflective layer is determined by a mathematical relationship which takes into consideration the position of the reflective layer from the light entering region and the amount of light which must pass through the reflective layer to provide {HEAD ~ uniform illumination} of the document 
{ TAIL ~ The coefficient } of reflectance of the output reflective layer is determined by a mathematical relationship which takes into consideration the position of the reflective layer from the light entering region and the amount of light which must pass through the reflective layer to provide { HEAD ~ uniform illumination } of the document
TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH