A cleaning blade is pressed against {HEAD ~ the outer periphery} of the sleeve for pressing {TAIL ~ the drive roller} via the sleeve 
A cleaning blade is pressed against { HEAD ~ the outer periphery } of the sleeve for pressing { TAIL ~ the drive roller } via the sleeve
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH