A rubber developer roller having a quaternary ammonium material as {HEAD ~ an antistatic agent} to achieve an approximately one order of magnitude increase in {TAIL ~ the level} of conductivity 
A rubber developer roller having a quaternary ammonium material as { HEAD ~ an antistatic agent } to achieve an approximately one order of magnitude increase in { TAIL ~ the level } of conductivity
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH