Communication Failure - Canon CanoScan 9900F Service Manual

B. Communication Failure
COPYRIGHT 2003 CANON INC. CANOSCAN 9900F REV.0 FEB. 2003 PRINTED IN JAPAN (IMPRIME AU JAPON)
Scan
Yes
Communication
failed ?
No
Yes
Scanning Unit
failed to move ?
No
Yes
Poor
image quality ?
No
Yes
Acoustic noise
originated ?
No
End
Figure 5-2
CHAPTER 5
Table 5-2
Table 5-3
Table 5-4
Table 5-5
5 - 3