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Plates

[Stretch] Pane

For a job that is being edited, you can configure the settings related to stretch adjustment for printing.

Note

Paper stretching is a phenomenon that occurs when the paper is moistened with ink at the time of printing. The print results appear as if the paper has been stretched out, and printing offset may occur between colours. Since the frequency of paper stretching increases as the amount of ink increases, different ink correction is required for each colour separation (station).

If a flexo device is selected for [Device Settings], [Stretch] setting items are not displayed.

ID Setting Description

1

Stretch Enabled

When paper is moistened with ink during printing, it may cause paper stretching or separation offset. The stretch function is for dealing with this phenomenon. Check the checkbox to perform the stretch settings.

2

Press Media Profile Controls Stretch Settings

When the checkbox is checked, the stretch setting of the press media profile selected in [Press] - [Media] pane - [Media Profile] is applied.

Note
  • Even when the checkbox is cleared, the media profile setting is applied if the stretch setting is not configured.
  • The stretch setting needs to be configured in advance in the press media profile. For details on press media profile settings, contact the administrator.

3

Use Different Settings for Back Surface

When the checkbox is checked, displays [Front] tab and [Back] tab. You can apply different settings to the front surface and back surface.

4

Front

Back

Click to select the surface to set. Displayed when [Use Different Settings for Back Surface] is checked.

5

Stretch Percentage for Each Separation

When [Trapezoidal Stretch] is not checked, enter the paper stretch percentage in the horizontal or vertical direction from the paper centre for each separation.

Configure the horizontal or vertical setting in [Stretch Direction].

Note
  • The number of colour separations (stations) varies depending on the value of [No of Inking Stations] that is specified in the press device profile.
  • The order of colour separations (stations) is the same as that of [Separation Order] displayed in the list of [Plates] - [Inks] pane - [Product Inks] tab. The default order is Cyan, Magenta, Yellow, Black.
  • Set a value between -0.30% and 0.30%. If a value that is outside of this range is entered, it is displayed in red. If the value is set in this condition, it will be automatically corrected to the nearest allowed value.

6

Trapezoidal Stretch

In actual printing, the top of the paper is fixed as the gripper. For this reason, if paper stretching occurs, the stretch width may be different at the top and the bottom of the paper, resulting in trapezoidal stretch. Using the stretch adjustment function enables you to deal with this trapezoidal stretch.

Check the checkbox to adjust the stretch width of the top and bottom of the paper and the height individually for each separation.

Top X (a)/Bottom X (b): Specify the stretch percentage from the paper centre in the horizontal direction. [Bottom X (b)] side is the gripper side.

Y: Specify the stretch percentage in the vertical direction of the paper.

Note
  • The number of colour separations (stations) varies depending on the value of [No of Inking Stations] that is specified in the press device profile.
  • The order of colour separations (stations) is the same as that of [Separation Order] displayed in the list of [Plates] - [Inks] pane - [Product Inks] tab. The default order is Cyan, Magenta, Yellow, Black.
  • Set a value between -0.30% and 0.30%. If a value that is outside of this range is entered, it is displayed in red. If the value is set in this condition, it will be automatically corrected to the nearest allowed value.

7

Stretch Direction

Click [] and select the stretch direction in which to apply the stretch setting.

Displayed when [Trapezoidal Stretch] is not checked.

Select [Width] to apply the stretch in the horizontal direction from the centre of a paper. Normally, select this setting.

Select [Height] to apply the stretch in the vertical direction from the centre of a paper.

Note

The stretch setting is not applied to JDF output.