CHAPTER 4 IMAGE FORMATION SYSTEMCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)4-321 2 9 10 11 1 2 9 1 2 9 10 11 12Power-onPower-on Power-onPower-offCopyingDelivery sensor(PS3)Primary charging rollercleaning solenoid(SL6)3. Timing of Cleaning• Condition 1Figure 4-205• Condition 2Figure 4-2061 2 19 20 21 1 2 19 1 2 19 20 21 22Power-onPower-on Power-onPower-offCopyingDelivery sensor(PS3)Primary charging rollercleaning solenoid(SL6)DC controller PCBCleaning padPrimarycharging rollerPhotosensitive drumSL6Primary charging rollercleaning solenoidCleaning solenoid drive signal(PCSLD*)Figure 4-204
