Patent ID: 8891102

Claim:
A device cooperation system comprising: a first device and at least one second device connected via a network, which take partial charge of providing output numbers of set image data, wherein the first device that receives an operation by a user includes: a first authentication unit configured to perform authentication of the user, an allocation number determining unit configured to determine an allocation of the output numbers of the set image data among the first device and the at least one second device, and a data communication unit configured to send, to the at least one second device, the set image data, an output number of the at least one second device determined by the allocation number determining unit, and user information of the user, wherein the at least one second device includes: a second authentication unit configured to authenticate the user based on the user information received from the first device, and a reporting unit configured to report to the first device that the authentication of the user is unsuccessful, and when the second authentication unit determines that authentication of the user is unsuccessful, and wherein the first device includes: an output unit configured to output a total number of the output number of the first device and the at least one second device determined by the allocation number determining unit, when the report is received from the report unit of the at least one second device.