Portable personalized data processor e.g. for passports, smart cards, uses removable cassette with storage and fixing parts for each type of data carrier

A portable personalized data processor (1) uses removable cassettes for specific types of data carriers. Each cassette is insertable to the processor from the front or side, and includes storage and fixing parts. The processor also includes a base frame module (2), an electronics module (5), a control module (6), and a laser marking unit (3).