A system is capable of performing a processing flow based on a definition file which designates a plurality of tasks each of which can be performed by a function provided by an image forming apparatus and an order of performance of a plurality of tasks. A tape is operationally coupled to the housing. The engagement between the connection members and the cross-member releases upon a flexion a flexible cross-member due to application of a force equal to or greater than a release force. The chamber is formed, at least in part, by a cowling into which the solar cell module is mounted.