Ricoh Company, Ltd.

Hiroki Kohmura

Mototsugu Emori

Kengo Yamamoto

Takuma Katori

Hiroshi Hiraki

A client terminal transmits a call request for using a MFP to a call control server. The call control server carries out authentication processing about a user and the MFP in response to the call request. If the authentication processing result is correct, the call control server transfers the call request to the printing service management server. The call request is transferred from the printing service management server to a printing service providing server and then transferred to the MFP via the call control server. Thus, a session of the client terminal and the MFP is established. The printing service providing server carries out processing for providing a predetermined printing service based on the call request from the client terminal.

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Kanagawa, Japan

Hiroki Kohmura