Translations
The basic translation system is built into Prestashop backoffice, details can be found in the documentation of the store:
http://doc.prestashop.com/display/PS17/Translations
Texts related to the print wizard such as "background", "effects", descriptions of individual functions and warning messages are located in the translation file of our module. It can be edited with any text editor. File localization:
reset/languages/en.php
reset/languages/de.php
...