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12. SCANNING IMAGE DEFECT
TROUBLESHOOTING
12.1 Image Defect Examples
Fig. 3-11
12.2 Troubleshooting Image Defect
Image defect related problems are end user recoverable if following the User Check items. If
the same problem occurs, follow each procedure in the order of the number described in the
Step column in the tables below.
■ Light on the page
<User Check>
- Check whether the setting of the contrast does not become light.
Step Cause Check
Result
Remedy
1
White level data
malfunction
Is the problem solved by
performing the
acquisition of white level
data. (Function code 55)
Yes
Perform the acquisition of
white level data. (Function
code 55)
2
CCD unit failure Is the problem solved by
replacing the CCD unit.
Yes
Replace the CCD unit.
3
Main PCB failure Is the problem solved by
replacing the main PCB.
Yes
Replace the main PCB.
Light
White vertical
streaks
Vertical streaks
Completely blank
Faulty registration
Dark