CHAPTER 5 TROUBLESHOOTING
III. TROUBLESHOOTING LIST
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
No.
Failure
1
Power does not come
ON.
2
No scanner is found.
3
Scanner
does
start.
4
Scanning
does
feed properly.
5
Scanning
speed
slow.
2. Image Failures
No.
Failure
1
All black/all white/all
streaked.
2
Too dark/too light.
3
Streaks in image.
4
Image slanted.
5
Wrong image size.
6
Text cannot be seen.
7
Moire in image.
5-38
Cause
System/
Software
X
not
X
not
is
X
Table 5-301
Cause
System/
Software
X
Table 3-302
COPYRIGHT © CANON ELECTRONICS INC. 2011
Note: Major causes of each failure are marked "X".
Hard-
Connec-
ware
tion
X
X
X
X
X
X
Note: Major causes of each failure are marked "X".
Hard-
Connec-
ware
tion
X
X
Dirt/
Docu-
Settings
dust
ment
X
X
Dirt/
Docu-
Settings
dust
ment
X
X
X
X
X
X
X
CANON DR-M160 FIRST EDITION
X
X
X
X
X
X
X
X