COPYRIGHT © CANON ELECTRONICS INC. 2012
CANON P-208 FIRST EDITION
5-33
CHAPTER 5 TROUBLESHOOTING
III. LIST OF FAILURES
The lists below give the major failures conditions and their causes. Refer to the next section
for details of the causes and the measures to be taken. For failures of the optional Wi-Fi unit
WU-10, refer to its user manual and technical documents.
1. Operation Failures
Note:
Major causes of each failure are marked “
X
.”
No.
Cause
Failure
System
/Software
Hard-
ware
Connec-
tion
Dirt/dust
Docu-
ment
Set-
tings
1 Power does not
come ON.
X
X
2 No scanner is
found.
X
X
3
Scanner does not
start.
X
X
X
X
4
Scanning does not
feed properly.
X
X
X
5
Scanning speed is
slow.
X
X
X
X
X
Table 5-301
2. Image Failures
Note:
Major causes of each failure are marked “
X
.”
No.
Cause
Failure
System
/Software
Hard-
ware
Connec-
tion
Dirt/dust
Docu-
ment
Set-
tings
1 All
black/all
white/all streaked.
X X X X
2
Too dark/too light.
X X
3
Streaks in image.
X X
4 Image
slanted.
X
X
5
Wrong image size.
X
X
6 Text
cannot
be
seen.
X
X
7
Moire in image.
X
X
8
The image of the
photograph is not
good.
X
Table 5-302
