In this article, you will learn
- which prerequisites are required for this Fixup, and
- how to apply this Fixup.
1. Introduction
The Fixup Set PageBoxes to TrimBox is available in the Workflow. The purpose of this Fixup is to set or delete the BleedBox, the CropBox and the MediaBox starting from the TrimBox.
2. General
Use the Fixup Set PageBoxes to TrimBox to set the PageBox to match the TrimBox. The BleedBox and CropBox can remain unchanged, be deleted or offset relative or absolute from the TrimBox frame. The same applies to the MediaBox, although this box cannot be deleted as the MediaBox must be present in every PDF file.
You can find this Fixup on the tab Data Preparation of an Article, Order or Production Job by:
- entering the name of the Fixup in the area Filter,
- activating the option PageBox in the area Category,
- activating the option Change in the area Action,
- activating the option MediaBox, BleedBox, CropBox or TrimBox in the area Property.
3. Description
With this Fixup, set the BleedBox, CropBox and MediaBox to match the TrimBox. The users can decide for themselves whether the respective Boxes should remain unchanged, be deleted or set relative or absolute to the TrimBox.
3.1. Prerequisites and Functionality
For the Fixup to perform as intended, the following requirements must be met:
- There is already a TrimBox in the PDF file.
- The TrimBox is in the correct position in the PDF.
3.1.1. Actions
Actions are available for each PageBox that can be changed, with which the respective PageBox either remains unchanged, is removed or can be set relative or absolute to the TrimBox.
The user can choose between the following Actions [2]:
- Leave Unchanged – the respective PageBox remains unchanged. No further options can be selected.
- Remove PageBox – the respective PageBox is deleted and removed from the file. No further options can be selected.
- Set Relative – the respective PageBox can be set relative to the TrimBox. Specify the offset to the TrimBox for Top, Bottom, Left and Right [3] separately.
- Set Absolute – the respective PageBox can be set absolute by entering the desired size. Set the selected PageBox by specifying the Height [8] and Width [5]. The position of the PageBox is set from the center of the TrimBox.
Figure 1: The dialog of the Fixup Set PageBoxes to TrimBox
Use the following options to edit or set new PageBoxes:
- Templates [1] – settings selected in the dialog can be saved as a template and applied to other Articles/Print Items, as well as used within Fixup Chains and in the Operations Apply Fixups and Check Print Item and Apply Fixups.
CropBox
- Action [2] – select the desired Action for the respective Box here. If Set Relative is selected, access to the following options is possible.
- Offset [3] – if the Action Set Relative is activated, the respective Box can be set relative to the TrimBox. To do this, enter the desired Offset for Top, Left, Bottom and Right to the TrimBox. For Variable Content [7], select the desired placeholder – Database Field or User-defined Field – from which the value for the offset should be retrieved.
MediaBox
- Action [4] – select the desired Action for the PageBox here. If the Action Set Absolute is selected, refer to the options below.
- Width [5] – enter the desired width for the PageBox here. Please note that the selected Box is set centered to the TrimBox. For Variable Content [6], select the desired placeholder – Database Field or User-defined Field – from which the value for the width should be retrieved.
- Height [8] – enter the desired height for the PageBox here. Please note that the selected Box is centered in relation to the TrimBox. For Variable Content [9], select the desired placeholder – Database Field or User-defined Field – from which the value for the width should be retrieved.
3.2. Before/After
To experiment with this function, refer to the sample file "Sample_Set PageBoxes to TrimBox.pdf". The file has a size of 100 x 100 mm. All PageBoxes are the same size. The CropBox and MediaBox should be extended by 2 mm per page for this example.
After applying the Fixup, the file "Sample_Set PageBoxes to TrimBox_End.pdf" is created. The values from Figure 1 were used here.
Figure Left: Original file, opened in the Print Item Editor; Right: Edited file, in which the PageBoxes have been edited, opened in the Print Item Editor.
Article update: Workflow 1.20.0 – 04/2025

