CHAPTER 4 MAINTENANCE AND SERVICING4-14 COPYRIGHT © 1999 CANON INC. CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)3) Clean the manual feed registration roller[3] with lint-free paper or a cloth moistenedwith alcohol.4) Shift up the ADF, and open the deliverylower guide [4]; then, clean the manualfeed registration roller roll [5] with lint-freepaper or a cloth moistened with alcohol.Figure 4-428Figure 4-429[3][5][4]