A processing apparatus system configured to allow input of plural printing jobs in an office and comprising: a plurality of mobile processing apparatuses (16a, 16b, 16c) in the office configured to perform printing, wherein each of the plurality of processing apparatuses (16a, 16b, 16c) includes a control device (24, 46) comprising: a receiving unit configured to receive a printing job transmitted from a personal computer of a user in the office; a processing time calculation unit configured to calculate printing processing time for each of the plurality of processing apparatuses (16a, 16b, 16c); a determination unit configured to determine a processing apparatus (16a, 16b, 16c) with the shortest printing processing time to be in charge of printing and to be moved from among the plurality of processing apparatuses (16a, 16b, 16c) according to a result of calculation performed by the processing time calculation unit in a case where the receiving unit receives the printing job; and a control unit configured to control movement of the processing apparatus based on a result of determination performed by the determination unit, wherein the control unit is configured to notify the printing job to the processing apparatus in charge of printing when the image forming apparatus to which the printing job is input is not in charge of printing, and when the image forming apparatus to which the printing job is input is in charge of printing, the control unit in the image forming apparatus to which the printing job is input is configured to control the image forming apparatus to which the printing job is input to move to the location of the user and to perform printing;. wherein the plurality of processing apparatuses (16a, 16b, 16c) are configured to share respective statuses of the plurality of processing apparatuses (16a, 16b, 16c) with each other to calculate the printing processing times of the other processing apparatuses. a plurality of mobile processing apparatuses (16a, 16b, 16c) in the office configured to perform printing, wherein each of the plurality of processing apparatuses (16a, 16b, 16c) includes a control device (24, 46) comprising: a receiving unit configured to receive a printing job transmitted from a personal computer of a user in the office; a processing time calculation unit configured to calculate printing processing time for each of the plurality of processing apparatuses (16a, 16b, 16c); a determination unit configured to determine a processing apparatus (16a, 16b, 16c) with the shortest printing processing time to be in charge of printing and to be moved from among the plurality of processing apparatuses (16a, 16b, 16c) according to a result of calculation performed by the processing time calculation unit in a case where the receiving unit receives the printing job; and a control unit configured to control movement of the processing apparatus based on a result of determination performed by the determination unit, a receiving unit configured to receive a printing job transmitted from a personal computer of a user in the office; a processing time calculation unit configured to calculate printing processing time for each of the plurality of processing apparatuses (16a, 16b, 16c); a determination unit configured to determine a processing apparatus (16a, 16b, 16c) with the shortest printing processing time to be in charge of printing and to be moved from among the plurality of processing apparatuses (16a, 16b, 16c) according to a result of calculation performed by the processing time calculation unit in a case where the receiving unit receives the printing job; and a control unit configured to control movement of the processing apparatus based on a result of determination performed by the determination unit, wherein the control unit is configured to notify the printing job to the processing apparatus in charge of printing when the image forming apparatus to which the printing job is input is not in charge of printing, and when the image forming apparatus to which the printing job is input is in charge of printing, the control unit in the image forming apparatus to which the printing job is input is configured to control the image forming apparatus to which the printing job is input to move to the location of the user and to perform printing;. wherein the plurality of processing apparatuses (16a, 16b, 16c) are configured to share respective statuses of the plurality of processing apparatuses (16a, 16b, 16c) with each other to calculate the printing processing times of the other processing apparatuses.