4. Removing the Developing Cylinder and the Magnetic Seal1) Remove the developing assembly from the copier.2) Remove the blade unit.3) Remove the two mounting screws q, and remove the gear unit together with thegear unit w.Figure 4-339Exercise care, as the gear engaged with the screw becomes free when the gearunit is removed.4) Remove the grip ring e mounted to the cylinder shaft at the rear; then, remove thegear r, parallel pin t, and butting roll y (one each).Figure 4-340ertyqq wCOPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-62Caution: