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COPYRIGHT © CANON ELECTRONICS INC. 2008
CANON DR-X10C FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Note:
There are times when, depending on the type of image and settings, document reproduci-
bility becomes poor. In such case, the image may be improved by changing the settings.
1. Completely Black, Completely White, All Streaks
Completely Black, Completely White, or All Streaks are output.
Cause/faulty
location
Step Check
item Result
Action
Document setting
1
Was the document set with
the surface facing down?
If not, the back side will be
scanned.
NO
Properly set the docu-
ment.
“Brightness” setting
2
Is the “Brightness” setting
appropriate?
NO
Change the setting.
Also change “Contrast”
if necessary.
System
3
Is the problem solved when
the scanner power is reset
and the computer is re-
started?
YES End.
4
Are the reading related ca-
bles connected proparly ?
NO Connect
properly.
Reading unit
5
Is the problem solved when
the reading glass is re-
placed?
YES End.
Control PCB
6
Is the problem solved when
the control PCB is re-
placed?
YES End.
Table 5-602
2. Too Dark, Too Light
Image does not look appropriate due to improper brightness.
Cause/faulty
location
Step Check
item Result
Action
“Brightness” setting
1
Is the “Brightness” properly
set?
The brightness should be
set to “128” in normal case
but may be required to
change according to the
type of document.
NO
Change the setting.
“Contrast” setting
2
Is the “Contrast” properly
set?
The default setting is “4”.
NO
Change the setting.
Table 5-603