{HEAD ~ An operation} of mounting and removing {TAIL ~ conveyance rollers} disposed in a pair is facilitated and a proper nipping force can be imparted between a conveyance roller pair 
of mounting
{ HEAD ~ An operation } of mounting and removing { TAIL ~ conveyance rollers } disposed in a pair is facilitated and a proper nipping force can be imparted between a conveyance roller pair
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH 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