Patent ID: 8051245

Claim:
An information processing system comprising: an image input and output apparatus including a first USB device connector capable of connecting a USB device; an information processing apparatus connected to said image input and output apparatus through a network; and a USB connection line for connecting said first USB device connector of said image input and output apparatus and said information processing apparatus to each other, said image input and output apparatus including a first controller for controlling each part of the image input and output apparatus for executing a prescribed job, and, a first USB device controller, when the USB device is connected to said first USB device connector, recognizing information of the USB device and, under control of said first controller, accessing an accessible USB device based on a recognition result, when determining that an unrecognizable prescribed USB device is connected to said first USB device connector, said first USB device controller transmitting the information of said prescribed USB device through said USB connection line, said information processing apparatus including a second controller for controlling each part of the information processing apparatus for executing a prescribed job, and, a second USB device controller recognizing the information of said prescribed USB device transferred from said first USB device controller through said USB connection line and, under control of said second controller, accessing an accessible USB device based on a recognition result, said second USB device controller providing an output of said recognition result to said second controller, and said second controller receiving said recognition result and causing said first USB device controller to access, through said second USB device controller, said prescribed USB device connected to said first USB device connector.