Allows you to check if the document contains alternate images.
Alternate images
are used to store both a viewing-resolution and a
printing-resolution version of an image in a single PDF document.
Usually, the main image has the label “default for printing”, but it
is also possible for one of the alternates to carry this label. In
this scenario, Acrobat uses the main image for on-screen display, but
prints the alternate.
Not all software is capable of handling alternate images. Such software always prints the
main image, regardless of the labelling of the alternate images. In that case, you may want
to remove the alternate images.
Possible fixes
PitStop can remove all alternate images. Choose one of the following options:
- Default for printing: Removes the alternate images, preserving the
ones that are marked “default for printing”. This option is best if you know that the
alternate images have been correctly marked for printing.
- Highest resolution: Removes the alternate images, preserving only
the ones that have the highest resolution, regardless of the printing setting. This option is
recommended for print production.
- Lowest resolution: Removes the alternate images, preserving only the
ones that have the lowest resolution, regardless of the printing setting. This option is
recommended for on-screen viewing.