Streaks (Lines) Appear in Gradated Portions

<Cause 1> When you are using the PCL/UFR II printer driver, gray compensation is applied to the gray portions of the "streaks" in the diagrams.

Solution
Perform the following procedure in the printer driver.
UFR II Printer Driver
Display the [Quality] tab
1.
Click [Details].
2.
Click [Advanced Settings] in the [Detailed Settings] dialog box.
3.
Set [Gray Compensation] to [Off].
PCL Printer Driver
See Help of the PCL printer driver.
You can specify the same setting from the printer's control panel.

<Cause 2> When you are using the PS printer driver, [TR Normal] or [TR Photo] in [Output Profile] is applied to the gray portions of the "streaks" in the diagrams.

Solution 1
Set [Output Profile] in the [PS] options to [PS Normal] or [PS Photo].
Solution 2
Set [RGB Pure Black Mode] in the [PS] options to [Off]. Also, you can specify the same setting in the PS printer driver. For more details, see Help of the PS printer driver.
08JE-0RE