Abstract: A personalization module, for personalization of a security document having a marking area for marking a two-image element MLI or CLI through an array of lenticular. The personalization module includes: a laser marking module, configured to mark within a marking zone, and having a laser head configured to emit a laser beam, and a laser scanner equipped with movable mirrors to deflect the laser beam towards the document. The personalization module further includes an optical prism, configured to refract the laser beam from the laser scanner mirrors to the lenticular lenses. One side of the prism enabling marking a first image element of the MLI or the CLI. The other side of the prism enabling marking a second image element of the MLI or the CLI.