Automatic Feeder Cleaning - Canon IMAGERUNNER 5075 Reference Manual

4
Press [OK].
The more even the contrast between the hidden text and the background is, the
harder it will be to see the hidden text on the original, but the less the hidden text
will appear when it is copied. It is recommended you make a copy of the original
after adjusting the contrast to confirm that the secure watermark becomes visible
as desired.
NOTE
The contents of the settings changed in [Character/Background Contrast
Adjustment] are retained until the next time the settings are changed.

Automatic Feeder Cleaning

If your originals have black streaks or appear dirty after scanning them through the
feeder, clean the rollers of the feeder.
NOTE
It takes approximately 15 seconds to clean the feeder.
1
Press
[Feeder Cleaning].
2
Place 10 sheets of blank paper into the feeder ➞ press [Start].
Make sure that you fan the sheets of paper well.
Use plan LTR paper.
When cleaning is complete, try scanning again.
NOTE
To cancel feeder cleaning while it is in progress, press [Cancel].
(Additional Functions) ➞ [Adjustment/Cleaning] ➞
Adjusting the Machine
4
4-65