Text Layer Checks

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Text layer images [Black] and overprinting

Text Layer Checks
This check looks at the colour and overprint setting of all images that appear on a text layer and reports whether they have all been set up to use [Black] and are set to overprint.

[Black] Only Images

All images used on the text layer for interior and prelim pages are set to use the InDesign default colour [Black] swatch. No other colours or colour modes (such spot colours, RGB, Pantone or LAB) are used.

Tints

Any tint of [Black] from 1-100% is acceptable.

Avoid using 0% tints as this becomes white and can cause other production issues such as disabling overprinting.

Process Black using the InDesign default ‘[Black]’ is used for all text layer images:

InDesign’s Swatches panel with [Black] selected

Note: Images on any other layer including covers and jackets are not restricted to black only and overprinting in this way.

Overprinting

All images are set to overprint. This means that images can be changed during a print run without affecting the underlying base images and artwork.

Apply overprinting to pixel images using the InDesign Attributes panel

Bitmap images (referred to as ‘Black and White’ images in the InDesign Links panel) and Grayscale can be set to overprint using InDesign.

To apply overprint to pixel images it is important to select the content of the image frame rather than the frame itself. Do this using the InDesign Direct Selection Tool or with a graphic frame selected choose (InDesign Object menu > Select > Content).

With an appropriate image selected in this way, apply overprinting using the InDesign Attributes panel (InDesign Window menu > Output > Attributes):

InDesign’s Attributes panel with Overprint Fill option selected

  • Pixel images used on the text layer should be saved as either Bitmap or Grayscale in Photoshop:
Photoshop’s Mode option with Grayscale command selected

Apply Overprinting using using the Illustrator Attributes panel

It is possible to apply overprinting using the Illustrator Attributes panel (Illustrator Window menu > Attributes).

After selecting Illustrator artwork with the Direct Selection Tool tick the checkbox to apply Overprint Fill and/or Stroke:

Illustrator's Attributes panel with Overprint Fill option selected

Note: GreenLight is not currently checking vector artwork from Illustrator.

InDesign Online Help on Swatches

InDesign Online Help on Overprinting

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Text Layer Checks

Text layer is [Black] and overprinting

Text Layer Checks
This check looks at the colour and overprint setting of all text on a text layer and reports whether it has been set up to use [Black] and is set to overprint.

[Black] Only Text

All text used on the text layer for interior pages is set to use the InDesign default colour [Black] swatch. No other colours or colour modes (such spot colours, RGB, Pantone or LAB) are used.

This applies to all text in text frames or on text paths that is on a translation layer and also applies to any stroke (border) colours applied as well as the more common fill (solid) colour.

Tints

Any tint of [Black] from 1-100% is acceptable.

Avoid using 0% tints as this becomes white and can cause other production issues such as disabling overprinting.

Process Black using the InDesign default ‘[Black]’ is used for all language text:

InDesign’s Swatches panel with [Black] selected

Note: Text on covers and jackets is not restricted to black only and overprinting in this way.

Overprinting

All text is set to overprint. This means that text can be changed during a print run without affecting the underlying base images and artwork.

Apply Overprinting using Paragraph styles

The easiest way to control most aspects of text styling is by using the Paragraph Styles (InDesign Window menu > Styles > Paragraph Styles).

Tick the Overprint Fill  checkbox to apply overprinting.

If using Stroke then also tick the Overprint Stroke checkbox.

InDesign’s Paragraph Styles dialog with Overprint Fill option selected

Apply Overprinting using a GreenLight Print Production Tool

GreenLight comes with some free tools to speed up making modifications to your documents. Try the Overprint all Paragraph Styles tool in the GreenLight Print Production Tools panel (GreenLight Tools menu > Print Production tools panel).

Apply Overprinting using using the InDesign Attributes panel

It is possible to apply overprinting using the InDesign Attributes panel (InDesign Window menu > Output > Attributes):

InDesign’s Attributes panel with Overprint Fill option selected

After selecting text with the Text Tool tick the checkboxes to Overprint Fill and Stroke when available.

InDesign Online Help on Swatches

InDesign Online Help on Overprinting

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Text Layer Checks

Text objects do not use transparency

Text Layer Checks
This check looks at the colour and overprint settings of images on a text layer and reports whether they have all been set up to use 100% opacity and the Normal blend mode.

As well as being set to use the [Black] swatch and set to overprint, images and text used on the text layer should not use transparency.

Live transparency is an onscreen effect that needs to be resolved before printing. When transparency is removed (often called ‘flattening’) the results can introduce unwanted white boxes or influence the CMY plates.

A drop shadow is an example of an effect that uses the Multiply blend mode and transparency. As such, drop shadows should not be used on the text layer. Neither should gradients, glows and Bevel and Emboss and Feather effects.

InDesign's Effects panel where different transparency settings and effects can be selected

For the text layer all images and text are set to 100% opacity and Normal blend mode.

Note: Images and text any other layer including covers and jackets are not restricted in this way.

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Text Layer Checks