Patent ID: 7031636

Claim:
In a modularly constructed electrophotographic printing device having a support device ( 15 ) which has a transporting device ( 16 ) on which a substrate to be imprinted can be transported between a start position and a finish position, wherein a plurality of electrophotographic units ( 12 a to 12 d ) can be attached to the support device ( 15 ) between the start position and the finish position, which are designed as a photo conductor, a developer unit, or an exposure unit, the improvement comprising: the support device ( 15 ) having a plurality of receivers located one behind an other in a transport direction of the transporting device ( 16 ), each of the plurality of receivers including a uniform mechanical and electrical interface for attaching one of the electrophotographic units ( 12 a to 12 d ) to the support device ( 15 ), wherein the electrophotographic units ( 12 a to 12 d ) have fastening elements equipped for a mechanical connection and have a bus system for the electrical connection.