A drive roller is rotatably disposed in the bore of {HEAD ~ the developing sleeve} and extends in the axial direction of {TAIL ~ the sleeve} 
A drive roller is rotatably disposed in the bore of { HEAD ~ the developing sleeve } and extends in the axial direction of { TAIL ~ the sleeve }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL