A pressing roller is used in {TAIL ~ a sheet advancing arrangement} to press {HEAD ~ the advancing sheet material} against a driven roller to control the friction between the driven roller and the sheet material and thereby reduce, if not entirely eliminate, any slippage between the driven roller and the sheet material 
A pressing roller is used in { TAIL ~ a sheet advancing arrangement } to press { HEAD ~ the advancing sheet material } against a driven roller to control the friction between the driven roller and the sheet material and thereby reduce , if not entirely eliminate , any slippage between the driven roller and the sheet material
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH