6-5
Using Custom Paper > Setting from the Operation Panel
Reducing Paper Curl When Outputting to the Right
Tray
Adjust this setting if curling occurs during two-sided printing or when outputting to the right tray. There are four types of
curling: strong upward curling, strong downward curling, minor upward curling, and minor downward curling.
The direction of curl (warpage) after printing changes depending on the difference in the moisture content (ink volume)
on the front and back sides of the paper.
For example, if the moisture content on the front surface of the paper is higher than the back surface, or if printing on
single side of the front surface, the printout tends to curl downward.
On the other hand, when printing on double-sided, if the moisture content on the back surface of the paper is higher than
the front surface, the printout tends to curl upward. For example, the image is printed on the entire of back side of the
paper, and a small amount of text is printed on the front side.
In addition, the direction of curl may increase if the decal adjustment value is configured large in the plus or minus
direction.
1
Display the screen.
[
System Menu/Counter
] key > [
Device Settings
] > [
Paper Feeding
] > "Cassette Settings"
[
Cassette 1
(to
8
)
Settings
] > [
Manual
] > [
Main Unit Decurl Adjustment
]
2
Configure the settings.
You can adjust decurling to a value from [
-5 (Low)
] to [
+5 (High)
].
If strong upward curling occurs, adjust the value in the + direction.
If strong downward curling occurs, adjust the value in the - direction.
Strong upward curling
Strong downward curling
Minor curling (upward and
downward)
NOTE
• If the moisture content (ink volume) on the front and back surfaces is similar even in double-sided printing, the
direction of the curl will be canceled and it will be wave edge.
• If you want to print in large quantities, check the image quality and print format (single side or double side) of the
original to be printed, make trial prints and check the condition of curl while correcting it.
IMPORTANT
If the adjustment value is too large, curling may increase in the reverse direction. For
example, upward curling may change to downward curling.
Paper movement
direction
Paper movement
direction
Paper movement
direction
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