Multiple function image formation device and method thereof

A method of an image formation device, said image formation device including a service function unit for processing a request for a service function, said service function unit including a master service function section and a plurality of sub service function sections,

• said method comprising the steps of:
• requesting, by one of the sub service function sections assuming an operating state, the master service function section to register the one of the sub service function sections;
• assigning, by the master service function section, the service function request to the one of the sub service function sections in accordance with a type of the service function request;
• and
• processing, by the one of the sub service function sections, the service function request assigned by the master service function section.

A program for executing an image formation device, said image formation device including a service function unit for processing a request for a service function, said service function unit including a master service function section and a plurality of sub service function sections,

• said program controlling the image formation device to execute the steps of:
• directing one of the sub service function sections assuming an operating state to request the master service function section to register the one of the sub service function sections;
• directing the master service function section to assign the service function request to the one of the sub service function sections according to a type of the service function request;
• and
• directing the one of the sub service function sections to process the service function request assigned by the master service function section.