5-18
COPYRIGHT © CANON ELECTRONICS INC. 2011
CANON P-215 FIRST EDITION
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.
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 prop-
erly.
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 im-
age.
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
Table 5-302