COPYRIGHT © 1999 CANON INC. CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-19CHAPTER 3 MECHANICAL SYSTEMFigure 3-317Figure 3-318Figure 3-31911) Remove the E-ring [23] at the rear, and de-tach the one-way gear [24].12) Remove the separation roller.Caution:When mounting the one-way gear, besure that the protrusion is toward the in-side.4. Removing the Manual FeedRegistration Roller1) Remove the front cover. (Figures 3-104b,3-104c)2) Remove the main cover. (Figure 3-105)3) Remove the three screws [1], and discon-nect the connector [2]; then, detach the so-lenoid unit [3] of the delivery assemblyfront plate side.[23] [24]One-way gear Protrusion[1][2] [3][1]