Streaks In Image; Image Slanted - Canon imageFORMULA DR-C125 Service Manual

3. Streaks in Image

Streaks in the feeding direction may appear in the image due to dirt on the reading glass.
Dirt on the feeding rollers may also be transferred to the document.
When white streaks appear in the image, this is due to shading correction being performed
when the reading glass is dirty.
Cause/Faulty
Locations
Reading glass
Roller
Feed Unit
CIS unit
Light Adjustment

4. Image Slanted

If the document is fed at an angle, the image will become slanted.
Cause/Faulty
Locations
Placing documents
Setup of "Skew
correction"
Feeding documents
COPYRIGHT © CANON ELECTRONICS INC. 2011
Step Check Item
1 Is the reading glass clean?
2 Is the surface clean?
3 Is the feed path clean?
4 Is the inside of the CIS unit
clean?
5 Have you
Adjustment?
Table 5-504
Step Check Item
1 Is the document
properly?
2 Are the document
adjusted to fit the document
width?
3 Was "Skew correction" set?
4 Are documents fed straight?
Table 5-505
CANON DR-C125 FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Result
NO
NO
NO
NO
executed Light NO
Result
placed NO
guides NO
NO
NO
Action
Clean the reading
glass.
Replace the reading
holder (reading glass)
if it is damaged.
Clean or replace it.
Clean it.
Clean or replace the
reading unit.
Execute Light
Adjustment.
Action
Place properly.
Correct the position.
Set it.
You can correct the
slant of an image using
image processing.
Perform the checks in
"IV. RESOLVING
MALFUNCTIONS,
4.The Document Does
Not Feed Properly".
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