Canon CanoScan 9900F Service Manual page 48

CHAPTER 3
8) Remove three screws and remove the button cable board.
1
2
3
q Screw
w Button PCB
e Lower Button Cover
Figure 3-7
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COPYRIGHT 2003 CANON INC. CANOSCAN 9900F REV.0 FEB. 2003 PRINTED IN JAPAN (IMPRIME AU JAPON)