H. Pre-Transfer/Transfer/Separation Charging Wire AutomaticCleaning MechanismThe machine is equipped with an automatic cleaning mechanism for the chargingwire of the pre-transfer/transfer/separation charging assembly.The cleaning mechanism for the pre-transfer/transfer/separation charging wire isexecuted under the conditions and the periods set for auto cleaning for the primarycharging wire.Figure 4-124 (pre-transfer charging assembly)(rear) (front)Wire cleanerWirePre-transfer charging wireFeeding screwPre-transfer chargingwire cleaning motor(M13)DC controller PCBPre-transfer charging cleaner motor drive command(PTRCLM) J103A-9.10COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-26Download service manual and resetter printer at http://printer1.blogspot.com