Patent ID: 7489414

Claim:
An image forming system comprising an image forming apparatus which receives print data from a host apparatus and performs an image formation based on the print data, the host apparatus comprising: a general-purpose communication unit; and a first setup processing section that performs a setup of the communication unit, and the image forming apparatus comprising: a first communication unit having a first port number; a second communication unit having a second port number; a relay unit; a second setup processing section that performs a setup of the first communication unit and the second communication unit; a first language processing section to process a first language; and a second language processing section to process a second language; wherein the host apparatus further comprises a first transfer control unit that obtains from the image forming apparatus first plug and play (PnP) information used for processing the first language by the first communication unit and second PnP information used for processing the second language by the second communication unit, and registers port number information that are contained in the first and the second PnP information and which correspond respectively to the first and the second communication units, the first transfer control unit, after registering the port number information, specifying a transfer destination of the print data and notifying the image forming apparatus of the destination of the print data, and wherein the image forming apparatus further includes a second transfer control unit, the second transfer control unit transferring the print data formed in the first language to the first language processing section via the first communication unit; and transferring the print data formed in the second language to the second language processing section via the second communication unit.