CHAPTER 4 IMAGE FORMATION SYSTEMCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)4-38Figure 4-307[1][2][2][3]B. Transfer ChargingAssembly1. Removing the Transfer ChargingRoller1) Open the machine's top unit.2) Remove the screw [1].3) While freeing the claw [2] of the bushing,detach the transfer charging roller [3].Caution:Do not touch the surface of the roller. Besure the surface is free of dirt.