Canon C850 Practical Manual page 138

When Your Printouts Look Like���
When printing on coated paper, uneven
densities appears in the center of the
image as if the printed image were
scratched�
← Feeding Direction
When printing on coated paper, printouts
are distorted, as shown in the orange
frames in the illustration below�
← Feeding Direction
136 136
imagePRESS C850/C750/C650/C65
Check the Cause and Remedy Below
Cause
Paper that has dried unevenly and has become wavy
causes troubles when it is fed�
Remedy
• If paper loses moisture and the moisture content
has become irregular, the paper may become wavy�
Avoid storing paper stock in extremely low humidity
environments for a long period of time, unless it is
suitably wrapped�
• To improve this situation, adjust the settings for
<Correct Image for Scratching> to match the specific
characteristics of the paper�
→ [Preferences] → [Paper Settings] → [Paper
Press
Type Management Settings] → select the type of
paper you are using that is having this problem →
press [Details/Edit] → [Change] for <Correct Image for
Scratching> → set [On]�
"Paper Type Management" > "Correcting the
Image for Scratching" in the User's Guide