Exemplary embodiments of the present invention provide a network data processing system to reduce traffic and time for the first printout. A client unit generates printing data, which is divided to correspond to respective constituent parts constituting printing contents, and transmits a printing request...http://www.google.com.tw/patents/US7477412?utm_source=gb-gplus-share專利 US7477412 - Network data processing system, network printing system, data processor, printer, data processing program, print processing program, network data processing method, and network printing method