4.8
Scanned-image Problems
4.8.1
Defective images
The entire
image is light.
Completely
blank
Shades in the entire image
4.8.2
Scanned-image Problems
■ The entire image is light.
Step
1
White level correction data failure Carry out maintenance 55.
2
CIS unit defective
3
Main PCB defective
Scanning position failure
Vertical streaks
Entire image
is distorted
<User Check>
- Check if the contrast is set to "Light".
- Clean the document cover glass or ADF glass.
- Clean the document pressure bar.
Cause
Replace the CIS unit.
Replace the main PCB ASSY.
2-78
Images are
dark
White vertical
streaks
Solution
Confidential