Canon DU7-1101-000 Service Manual page 137

CHAPTER 4 MAINTENANCE AND SERVICING
3) Clean the filter face of the reversal sensor
[2] with a blower brush.
4) Open the ADF fully. (Figure 3-103)
5) While opening the pickup middle guide to
the left of the feeding belt, clean the prism
on the reflecting side of the reversal sensor
with a blower brush (found in the rear).
4-8
COPYRIGHT © 1999 CANON INC. CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
[2]
Figure 4-412
Figure 4-413