Patent ID: 7688464

Claim:
A printing system comprising: a first printing device; a second printing device, and a third printing device, the first printing device operatively connected to the second printing device, the second printing device operatively connected to the first and third printing devices, the third printing device operatively connected to the second printing device, and the first and third printing devices are not operatively connected to each other; the first printing device including a computer readable storage medium, storing instructions that, when executed, cause the first printing device to establish a P2P file sharing network with the second printing device; the second printing device including a computer readable storage medium, storing instructions that, when executed, cause the second printing device to establish a P2P file sharing network with the first and third printing devices; the third printing device including a computer readable storage medium, storing instructions that, when executed, cause the third printing device to establish a P2P file sharing network with the second printing device; the first printing device configured to search for and print a document file on the first printing device and request the second printing device to search for the document file in the event the document file is not found on the first printing device; the second printing device configured to search for the document file on the second printing device at the request of the first printing device, communicate the document file to the first printing device for printing via the P2P file sharing network, and request the third printing device to search for the document file in the event the document file is not found on the second printing device; and, the third printing device configured to search for the document file on the third printing device in the event the document file is not found on the first and second printing devices and communicate the document file to the second printing device via the P2P filed sharing network.